CN114737411A - Method for preparing paper pulp and paper by pretreating wood chips - Google Patents
Method for preparing paper pulp and paper by pretreating wood chips Download PDFInfo
- Publication number
- CN114737411A CN114737411A CN202210397404.3A CN202210397404A CN114737411A CN 114737411 A CN114737411 A CN 114737411A CN 202210397404 A CN202210397404 A CN 202210397404A CN 114737411 A CN114737411 A CN 114737411A
- Authority
- CN
- China
- Prior art keywords
- wood chips
- cooking
- wood
- pulp
- pycnoporus cinnabarinus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002023 wood Substances 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 33
- 229920001131 Pulp (paper) Polymers 0.000 title abstract description 16
- 241000222645 Trametes cinnabarina Species 0.000 claims abstract description 35
- 241000219000 Populus Species 0.000 claims description 34
- 238000010411 cooking Methods 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000003513 alkali Substances 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 14
- 238000000227 grinding Methods 0.000 claims description 11
- 239000002609 medium Substances 0.000 claims description 8
- 238000012216 screening Methods 0.000 claims description 8
- 238000010025 steaming Methods 0.000 claims description 8
- 230000001954 sterilising effect Effects 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000000855 fermentation Methods 0.000 claims description 6
- 230000004151 fermentation Effects 0.000 claims description 6
- 239000008188 pellet Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 5
- 239000007836 KH2PO4 Substances 0.000 claims description 5
- 244000061456 Solanum tuberosum Species 0.000 claims description 5
- 235000002595 Solanum tuberosum Nutrition 0.000 claims description 5
- 239000008103 glucose Substances 0.000 claims description 5
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 5
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 5
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 238000004659 sterilization and disinfection Methods 0.000 claims description 5
- 229930003451 Vitamin B1 Natural products 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 229960003495 thiamine Drugs 0.000 claims description 4
- DPJRMOMPQZCRJU-UHFFFAOYSA-M thiamine hydrochloride Chemical compound Cl.[Cl-].CC1=C(CCO)SC=[N+]1CC1=CN=C(C)N=C1N DPJRMOMPQZCRJU-UHFFFAOYSA-M 0.000 claims description 4
- 239000011691 vitamin B1 Substances 0.000 claims description 4
- 235000010374 vitamin B1 Nutrition 0.000 claims description 4
- DCXYFEDJOCDNAF-UHFFFAOYSA-N Asparagine Natural products OC(=O)C(N)CC(N)=O DCXYFEDJOCDNAF-UHFFFAOYSA-N 0.000 claims description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- DCXYFEDJOCDNAF-REOHCLBHSA-N L-asparagine Chemical compound OC(=O)[C@@H](N)CC(N)=O DCXYFEDJOCDNAF-REOHCLBHSA-N 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229960001230 asparagine Drugs 0.000 claims description 3
- 235000009582 asparagine Nutrition 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 235000011148 calcium chloride Nutrition 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 239000001963 growth medium Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 241000218642 Abies Species 0.000 claims description 2
- 235000018185 Betula X alpestris Nutrition 0.000 claims description 2
- 235000018212 Betula X uliginosa Nutrition 0.000 claims description 2
- 241000218652 Larix Species 0.000 claims description 2
- 235000005590 Larix decidua Nutrition 0.000 claims description 2
- 241000218657 Picea Species 0.000 claims description 2
- 235000013431 Pinus clausa Nutrition 0.000 claims description 2
- 235000000773 Pinus glabra Nutrition 0.000 claims description 2
- 241001502813 Pinus glabra Species 0.000 claims description 2
- 235000011615 Pinus koraiensis Nutrition 0.000 claims description 2
- 240000007263 Pinus koraiensis Species 0.000 claims description 2
- 235000011609 Pinus massoniana Nutrition 0.000 claims description 2
- 241000018650 Pinus massoniana Species 0.000 claims description 2
- 240000007313 Tilia cordata Species 0.000 claims 1
- 239000010875 treated wood Substances 0.000 abstract 1
- 238000004537 pulping Methods 0.000 description 28
- 239000000835 fiber Substances 0.000 description 27
- 238000005516 engineering process Methods 0.000 description 11
- 239000000126 substance Substances 0.000 description 10
- 241000233866 Fungi Species 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 6
- 229920001817 Agar Polymers 0.000 description 4
- 108090000790 Enzymes Proteins 0.000 description 4
- 102000004190 Enzymes Human genes 0.000 description 4
- 241000222644 Pycnoporus <fungus> Species 0.000 description 4
- 239000008272 agar Substances 0.000 description 4
- 229920005610 lignin Polymers 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 210000002421 cell wall Anatomy 0.000 description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 3
- 235000019341 magnesium sulphate Nutrition 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 241000221198 Basidiomycota Species 0.000 description 2
- 108010029541 Laccase Proteins 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000012258 culturing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 241000219071 Malvaceae Species 0.000 description 1
- 241000183024 Populus tremula Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 241000222357 Trametes hirsuta Species 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 229930003270 Vitamin B Natural products 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000002761 deinking Substances 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- 229910000397 disodium phosphate Inorganic materials 0.000 description 1
- 235000019800 disodium phosphate Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000004426 flaxseed Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 description 1
- FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 description 1
- 235000012141 vanillin Nutrition 0.000 description 1
- 235000019156 vitamin B Nutrition 0.000 description 1
- 239000011720 vitamin B Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/04—Heat
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C1/00—Pretreatment of the finely-divided materials before digesting
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/30—Disc mills
- D21D1/303—Double disc mills
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention provides a method for preparing paper pulp by treating wood chips and then using the treated wood chips, which can soften and relax the wood chips and improve the length and the flexibility of the paper pulp by treating the wood chips with the pycnoporus cinnabarinus.
Description
Technical Field
The invention relates to the field of papermaking, in particular to a method for preparing paper pulp and paper by pretreating wood chips with pycnoporus cinnabarinus.
Background
The paper industry plays an important role in national economy, and promotes the development of national economy, culture, production, national defense and the like to a certain extent. The common pulping methods mainly include chemical methods, semi-chemical methods, chemical mechanical methods and the like, and according to different chemicals used, the common chemical pulping process also includes the following steps: a caustic soda process, a caustic soda-anthraquinone process, a sulfate process, a polysulfide pulping process, an oxygen-base process, and the like.
With the development of the paper industry and the strictness of environmental policy, the pulp making process is more and more apt to develop clean production technology. The European paper industry expects to use new DES pulping technology, waterless paper making technology, paper industry lightweight technology and other innovative technologies to realize industrialization of low-pollution pulping technology within 10-20 years in the future, and North America countries still take energy conservation and emission reduction and biomass refining technology as the development key points of transformation and upgrading in the development process of paper making technology.
With the progress of science and technology, biotechnology is more and more common in industrial production, and rapid development of other industries is also driven. At present, the biotechnology in the papermaking field mainly focuses on pulping, bleaching, wastewater treatment, waste paper deinking and other processes, and is widely applied. The biological pulping process separates plant fibers from each other by decomposing lignin and hemicellulose in the plant fibers through microorganisms, and has the following requirements on the characteristics of the microorganisms: (1) the breeding speed is high; (2) has stronger capability of decomposing lignin; (3) does not degrade cellulose or has weak degradation effect. The biological pulping mainly comprises biological mechanical pulping and biochemical pulping. The bio-mechanical pulping is characterized in that the fiber raw materials are pretreated by microorganisms or enzymes and then are ground to separate fibers from each other, and the bio-mechanical pulping has the advantages of low energy consumption, high strength and low pollution. The biochemical pulping refers to the pulping by first carrying out biological pretreatment and then carrying out chemical treatment, and has the advantages of reducing the hardness of paper pulp under the condition of unchanged chemical dosage or reducing the dosage of chemicals and the consumption of energy under the same hardness. At present, white rot fungi are widely used in the field of pulping biology, for example, CN1724414A discloses a method for effectively decoloring pulping waste liquor by using white rot fungi, and CN107938411A discloses a method for pulping by removing lignin in plant fibers by using a compound biological enzyme agent containing white rot fungi.
Pycnoporus cinnabarinus (Pycnoporus cinnabrinus) is a fungus of the Basidiomycota which metabolizes various enzymes in the fermentation process, and has various uses, for example, it can be used for the production of vanillin from agricultural liquid wastes (Comprehensive Biotechnology, Volume 6,2011, Pages 661 667), or for the bleaching of linseed pulp (Progress in Biotechnology, Volume 21,2002, Pages 213 222), and further, laccases extracted from Pycnoporus cinus cinnobrinus, Trametes hirsuta and basidiomycetes strain 95290 have been reported in the prior art for the treatment of cork pieces (Progress in Biotechnology, volumes 21,2002, Pages 193).
In summary, the prior biological paper making technology mainly uses white rot fungi as a main strain, and the technology of using plant fiber directly treated by pycnoporus cinnabarinus for pulping process is rarely reported.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for pretreating plant fibers by using pycnoporus cinnabarinus so as to improve the performance of paper pulp. The whole treatment process is simple and convenient, and the fiber form in the paper pulp prepared from the treated plants is better, which is beneficial to improving the physical property of the paper. Furthermore, the inventors have found, by studying the alkali liquor concentration during the pulping process, that the properties of the pulp obtained by treating with different alkali liquor concentrations are also different.
The technical scheme of the invention is as follows:
a method for improving the performance of wood chip paper pulp by using pycnoporus cinnabarinus; the method comprises the following steps:
(1) pre-steaming the wood chips and extruding by a single screw; (2) sterilizing the extruded wood chips; (3) pretreating the sterilized wood chips with pycnoporus cinnabarinus; (4) and (3) cooking, disc grinding and pulp screening are carried out on the wood chips pretreated by the pycnoporus cinnabarinus.
Preferably, according to the present invention, the wood chips in step (1) are selected from one or more of a group consisting of a spruce wood chip, a spruce pine wood chip, an abies wood chip, a Korean pine wood chip, a larch wood chip, a masson pine wood chip, a poplar wood chip, a birch wood chip and a basswood chip.
Preferably, the wood chip presteaming and single-screw extrusion step in the step (1) is as follows: soaking the completely dried poplar wood in hot water, taking out the poplar wood, putting the poplar wood into a digester for presteaming, and sending the wood chips to a single-screw extrusion mill for extrusion and fluffing after the presteaming is finished; the material-liquid ratio range when the material is soaked in hot water in the step (1) is 1: 4-1: 6, the cooking time is 30-90 min, and the cooking temperature is 100-120 ℃.
Preferably, the sterilization step in step (2) is: and (3) placing the defibered wood chips into an autoclave for sterilization at the temperature of 120 ℃ and 140 ℃ for 1-1.5 h.
Preferably, the pycnoporus cinnabarinus pretreatment step in the step (3) is as follows: cooling the wood chips obtained in the step (1) under the irradiation of an ultraviolet lamp of a workbench, placing the wood chips into a polyethylene plastic bag after complete cooling, adding cultured pycnoporus cinnabarinus mycelium pellet seed liquid, properly adding a liquid fermentation culture medium, fully and uniformly mixing, and placing the wood chips into a biochemical incubator for culture; the liquid fermentation medium in the step (3) comprises the following components: 1L of potato extract, 15g of glucose, 1.0g of KH2PO4, 0.5g of MgSO 4.7H 2O, 0.01g of CaCl2, 2.5g of asparagine, 0.1g of Na2HPO 4.5H 2O, 0.002g of CuSO 4.5H 2O, 0.001g of FeSO 4.7H 2O and 0.05g of vitamin B1; in the step (3), the culture temperature is 28-32 ℃, the culture humidity is 65-85%, and the culture time is 28-35 d, and further preferably, the culture temperature is 30 ℃, the culture humidity is 70-80%, and the culture time is 28 d; the culturing step of the mycelium pellets of the pycnoporus cinnabarina in the step (3) comprises the following steps: a pycnoporus cinnabarina stored at 4 ℃ on a slant of a solid medium (potato extract 1L, 20g of glucose, 3g of KH2PO4, 1.5g of MgSO4 & 7H2O, trace vitamin B1, agar 20g) was inoculated into a seed solution medium (the same as the solid medium but without agar) sterilized at high temperature and cultured at 28 ℃ and 180rpm for about 7 days, and a mycelial pellet having a diameter of about 2 to 3mm was grown.
Preferably, the cooking step in the step (4) is as follows: washing the wood chips treated by the pycnoporus cinnabarinus, and putting the wood chips into a rotary digester for cooking; preferably, the cooking time is 30-90 min, and the cooking is carried out in the presence of alkali; the alkali used in the cooking in the step (4) is sodium hydroxide, the concentration of the alkali is 6-10%, and the feed-liquid ratio of the wood chips to the alkali liquor is 1: 4-1: 6, the cooking temperature is 120-140 ℃; preferably, the cooking time in the step (4) is 30 min; the concentration of alkali is 8%; the feed-liquor ratio of the wood chips to the alkali liquor is 1: 4; the cooking temperature is 130 ℃; the disc grinding and pulp screening steps in the step (4) are as follows: pulping the wood chips subjected to cooking pretreatment by using a KRK-2500 II type high-concentration pulping machine, and adopting an A type grinding disc; then screening pulp by using a Somerville pulp screen machine, selecting a screen seam with the thickness of 0.15mm, and pulping by using a PFI pulp grinder after screening the pulp; preferably, the pulp concentration of the pulp refined in the step (4) is about 20-30%, the rotating speed is 2500-3000 rpm, and the grinding plate gap is 0.1-0.6 mm.
Drawings
FIG. 1 is a graph of the handsheet tightness of poplar wood pulp treated and untreated with Pycnoporus cinnabarinus;
FIG. 2 is a graph comparing the tensile index of handsheets of poplar wood pulp treated and untreated with Pycnoporus cinnabarinus;
FIG. 3 is a comparison graph of handsheet ring crush indices of poplar wood pulp treated and untreated with Pycnoporus cinnabarinus;
FIG. 4 is a graph comparing the burst index of handsheets of poplar wood pulp treated and untreated with Pycnoporus cinnabarinus;
FIG. 5 is a graph comparing the fold endurance index of handsheets from wood pulp of poplar treated and untreated with Pycnoporus cinnabarinus.
Detailed Description
Example 1 culture of Pycnoporus cinnabarinus on Populus
(1) Pretreatment of poplar
Soaking 1kg of poplar wood chips with oven-dry mass in hot water for 12h, wherein the soaking material-liquid ratio is 1:4, taking out the poplar wood chips, putting the poplar wood chips into a digester, pre-steaming the poplar wood chips under the conditions of 30min of steaming time and 100 ℃ of steaming temperature, sending the poplar wood chips to a single-screw extruder for extrusion and defibering after steaming is finished, then placing the defibered poplar wood chips into an autoclave, and sterilizing the poplar wood chips for 1h at 120 ℃ for later use.
(2) Culture of Pycnoporus cinnabarinus
A mycelium pellet (as shown in FIG. 1) with a diameter of about 2-3 mm was grown by inoculating Pycnoporus cinnabarinus stored at 4 ℃ on a slant of a solid medium (potato extract 1L, 20g glucose, 3g KH2PO4, 1.5g MgSO4 & 7H2O, vitamin B trace 1, agar 20g) to a seed solution medium (the same as the solid medium but without agar) sterilized at high temperature, and culturing at 28 ℃ and 180rpm for about 7 days.
(3) Culture of Pycnoporus cinnabarinus attached to poplar
Taking out the poplar obtained in the step (1), cooling the poplar under the irradiation of an ultraviolet lamp on a workbench, putting the poplar into a polyethylene plastic bag after completely cooling, adding cultured pycnoporus cinnabarinus mycelium pellet seed liquid, properly adding a liquid fermentation culture medium (1L of potato leaching liquid, 15g of glucose, 1.0g of KH2PO4, 0.5g of MgSO4 & 7H2O, 0.01g of CaCl2, 2.5g of asparagine, 0.1g of Na2HPO4 & 5H2O, 0.002g of CuSO4 & 5H2O, 0.001g of FeSO4 & 7H2O and 0.05g of vitamin B1), fully mixing the poplar uniformly, and placing the poplar into a 30-DEG biochemical culture box for culture, wherein the humidity is kept between 70 and 80 percent. And regularly observing the growth condition of hypha on the wood chips, and measuring the enzyme activity of laccase secreted by the white rot fungi during the growth on the wood chips. And finishing the culture after the biological pretreatment of the white rot fungi for 25 days, and cleaning the white rot fungi hyphae on the wood chips for later use.
Example 2 study on pulping Properties of Populus tremula before and after treatment with Pycnoporus cinnabarinus
(1) Steaming, grinding and pulping
Respectively washing and cleaning poplar wood chips treated by the pycnoporus cinnabarinus and untreated poplar wood chips, and placing the poplar wood chips into a rotary digester for stewing for 30min under the treatment conditions that: the sodium hydroxide is alkali, the concentration of the alkali liquor is 6 percent, 8 percent or 10 percent, the ratio of the material to the liquid is 1:4, and the temperature is 130 ℃.
Grinding the wood chips subjected to cooking pretreatment by using a KRK-2500 II type high-concentration grinding machine, adopting an A type grinding plate with the concentration of about 20%, setting the rotating speed of 3000rpm and the grinding plate gap of 0.1mm, then screening pulp by using a Somerville pulp screening machine with the screen slot of 0.15mm, and pulping by using a PFI pulp grinding machine after screening pulp.
(2) Determination of pulp fiber morphology
Respectively taking qualified pulp samples which are treated by the pycnoporus cinnabarinus and untreated and are equivalent to 0.1g of absolute dry pulp, putting the pulp samples into a plastic bottle, adding a proper amount of water and glass beads, and fully stirring or shaking the pulp samples to completely disperse fibers. Fiber morphology measurements were performed on each set of samples using a type L & W fiber analyzer, setting the fines to a fiber fraction of less than 0.1mm in length. Parameters such as fiber length, fiber width, fines content and kink index of the wheat straw fiber under different pulping process conditions were analyzed, and the results are shown in table 2.
TABLE 2 fiber characteristics of Populus japonicus pulp treated and untreated with Pycnoporus cinnabarinus
As can be seen from table 2, the fiber length of the biologically treated pulp was slightly increased, the fines content was significantly reduced, and the fiber kink level was increased compared to the non-pretreated pulp fibers. Because the wood chips are softened and loosened by virtue of the polyporus cinnabarinus pretreatment, the length and flexibility of paper pulp are improved, and fibers can be easily separated in the subsequent chemical mechanical pulping process, so that the fiber cutting can be avoided, the content of fine fibers is reduced, the fiber length is increased, and the physical properties of finished paper are favorably improved.
Example 3 determination of physical Properties of Pycnoporus cinnabarinus-treated and untreated tablets
Respectively measuring the moisture of the pulp in each group of qualified pulp samples, weighing a certain mass of pulp, scattering the pulp by using a fluffer, then using a sheet making device to make sheets according to the national standard and drying, wherein the quantitative quantity of the sheets is 100g/m2. Then according to the national standard, respectively aligning the tensile strength (GB/T12914-20)08) The burst index (GB/T454-2002), the ring crush strength (GB/T2679.8-2016), and the tightness of the paper sheet were calculated, and the results are shown in FIGS. 1-5.
As can be seen from fig. 1-5, the physical properties of the chemi-mechanical pulp are significantly improved by the biological treatment of the poplar wood chips compared to untreated pulp. Under the same beating degree condition, the tightness, the tensile index, the ring crush index, the burst index and the folding times are all improved. The pycnoporus cinnabarinus preferentially degrades lignin in wood cell walls, so that the pulping raw material is more porous, and the chemical cooking liquor is promoted to be easier to permeate so that NaOH is better dispersed in wood fiber. The poplar chips are pretreated by the pycnoporus cinnabarinus to integrally soften wood cell wall fibers, local wood cell walls are thinned and crushed, and the flexibility and the swelling property of the fibers are improved, so that the bonding among fibers in the paper is increased, the tightness is improved, and the strength characteristic of the paper is improved.
Claims (5)
1. A method for improving the performance of wood chip pulp by using pycnoporus cinnabarinus is characterized by comprising the following steps: (1) pre-steaming the wood chips and extruding by a single screw; (2) sterilizing the extruded wood chips; (3) pretreating the sterilized wood chips with pycnoporus cinnabarinus; (4) cooking, disc grinding and pulp screening are carried out on the wood chips pretreated by the pycnoporus cinnabarinus;
the wood chip presteaming and single-screw extrusion steps in the step (1) are as follows: soaking the completely dried poplar wood in hot water, taking out the poplar wood, putting the poplar wood into a cooking pot for presteaming, and sending the wood chips to a single-screw extrusion mill for extrusion defibering after the presteaming is finished; the material-liquid ratio range when soaking in hot water is 1: 4-1: 6, steaming for 30-90 min at 100-120 ℃;
the sterilization step in the step (2) is as follows: placing the defibered wood chips in an autoclave for sterilization; the sterilization temperature is 120-;
the method for pretreating the pycnoporus cinnabarinus in the step (3) comprises the following steps: cooling the wood chips obtained in the step (1) under the irradiation of an ultraviolet lamp of a workbench, placing the wood chips into a polyethylene plastic bag after complete cooling, adding cultured pycnoporus cinnabarinus mycelium pellet seed liquid, properly adding a liquid fermentation culture medium, fully and uniformly mixing, and placing the wood chips into a biochemical incubator for culture; the liquid fermentation medium comprises the following components: 1L of potato extract, 15g of glucose, 1.0g of KH2PO4, 0.5g of MgSO 4.7H 2O, 0.01g of CaCl2, 2.5g of asparagine, 0.1g of Na2HPO 4.5H 2O, 0.002g of CuSO 4.5H 2O, 0.001g of FeSO 4.7H 2O and 0.05g of vitamin B1; the culture temperature is 28-32 ℃, the culture humidity is 65-85%, and the culture time is 28-35 d;
the middle cooking step in the step (4) is as follows: and (3) washing the wood chips treated by the pycnoporus cinnabarinus, and putting the wood chips into a rotary digester for cooking.
2. The method according to claim 1, wherein the wood chips in step (1) are selected from one or more of spruce wood chips, spruce pine wood chips, abies wood chips, Korean pine wood chips, larch wood chips, masson pine wood chips, poplar wood chips, birch wood chips and linden wood chips.
3. The method according to claim 2, wherein in the step (4), the cooking time is 30-90 min, and the cooking is carried out in the presence of alkali; during cooking, the feed-liquor ratio of the wood chips to the alkali liquor is 1: 4-1: 6, the cooking temperature is 120-140 ℃.
4. The method according to claim 3, wherein the alkali used in the cooking in the step (4) is sodium hydroxide, and the concentration of the alkali is 6-10%.
5. The process of claim 4, wherein the alkali used in the cooking in step (4) is sodium hydroxide, and the concentration of the alkali is 8%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210397404.3A CN114737411A (en) | 2022-04-15 | 2022-04-15 | Method for preparing paper pulp and paper by pretreating wood chips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210397404.3A CN114737411A (en) | 2022-04-15 | 2022-04-15 | Method for preparing paper pulp and paper by pretreating wood chips |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114737411A true CN114737411A (en) | 2022-07-12 |
Family
ID=82281003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210397404.3A Pending CN114737411A (en) | 2022-04-15 | 2022-04-15 | Method for preparing paper pulp and paper by pretreating wood chips |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114737411A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1202944A (en) * | 1995-09-29 | 1998-12-23 | 克莱里安特财务(Bvi)有限公司 | Method for improving the efficiency of chemical pluping processes by pretreating wood or pulpwood with white rot fungi |
| WO2002081816A1 (en) * | 2001-04-06 | 2002-10-17 | Gerischer Guenter Friedrich Ru | Wood chip treatment |
| CN106638085A (en) * | 2016-12-27 | 2017-05-10 | 程艳青 | Production method of paper pulp of sanitation, culture and medical paper |
| CN110512452A (en) * | 2019-08-22 | 2019-11-29 | 华南理工大学 | A kind of high polymerization degree wood pulp and preparation method thereof |
-
2022
- 2022-04-15 CN CN202210397404.3A patent/CN114737411A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1202944A (en) * | 1995-09-29 | 1998-12-23 | 克莱里安特财务(Bvi)有限公司 | Method for improving the efficiency of chemical pluping processes by pretreating wood or pulpwood with white rot fungi |
| WO2002081816A1 (en) * | 2001-04-06 | 2002-10-17 | Gerischer Guenter Friedrich Ru | Wood chip treatment |
| CN106638085A (en) * | 2016-12-27 | 2017-05-10 | 程艳青 | Production method of paper pulp of sanitation, culture and medical paper |
| CN110512452A (en) * | 2019-08-22 | 2019-11-29 | 华南理工大学 | A kind of high polymerization degree wood pulp and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5055159A (en) | Biomechanical pulping with C. subvermispora | |
| Kirk et al. | Potential applications of bio-ligninolytic systems | |
| CN109577060B (en) | Method for preparing natural-color biomechanical pulp by treating wheat straw with hot water and alkaline biological enzyme | |
| SE411463B (en) | PROCEDURE FOR THE PREPARATION OF CELLULOSA MASS BY MICRO-ORGANISMS | |
| US6958110B2 (en) | Apparatus for the production of cellulose paper pulps by biodelignification of vegetative masses | |
| CN101067284A (en) | Paper pulp making technology by biological catalytic cracking method | |
| CN1681992A (en) | Method of producing mechanical pulp and the mechanical pulp thus produced | |
| CN113265898A (en) | Method for pulping wheat straw by using xylanase and pectinase | |
| US5460697A (en) | Method of pulping wood chips with a fungi using sulfite salt-treated wood chips | |
| CN110453519B (en) | Pulping method of edible fungus residues | |
| Kumar et al. | Enzyme cocktail: a greener approach for biobleaching in paper and pulp industry | |
| CN112538775A (en) | Biological pulping process for papermaking | |
| Gupta et al. | Influence of mechanical operation on the biodelignification of Eucalyptus tereticornis by Trametes versicolor | |
| CN115029947A (en) | Method for preparing APMP slurry by utilizing double screws pretreated by microorganisms | |
| CN114737411A (en) | Method for preparing paper pulp and paper by pretreating wood chips | |
| EP1088937A1 (en) | Process for preparing high quality paper from vegetable residuals | |
| Eriksson | Biotechnology: three approaches to reduce the environmental impact of the pulp and paper industry | |
| CN114775317A (en) | Method for preparing paper pulp by pretreating wood chips by virtue of pycnoporus cinnabarinus | |
| CN1546786A (en) | Biofermentation pulping technology | |
| Vena | Thermomechanical pulping (TMP), chemithermomechanical pulping (CTMP) and biothermomechanical pulping (BTMP) of bugweed (Solanum mauritianum) and Pinus patula | |
| Li et al. | Optimization of Pretreatment and Alkaline Cooking of Wheat Straw on its Pulpability Using Response Surface Methodology. | |
| CN1188830A (en) | Biological delignification-machinery pulping technology | |
| Kasmani et al. | BIOCHEMIMECHANICAL PULPING OF HORNBEAM CHIPS WITH PHANEROCHAETE CHRYSOSPORIUM. | |
| RU2813172C1 (en) | Fibrous semi-finished product from sunflower husks and a method of its production (options) | |
| Albert et al. | Characterisation of biologically pretreated raw materials for biopulping process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220712 |