CN105504760A - Hydrogel material for treating heavy metal containing sewage and preparation method of hydrogel material - Google Patents
Hydrogel material for treating heavy metal containing sewage and preparation method of hydrogel material Download PDFInfo
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- CN105504760A CN105504760A CN201510994546.8A CN201510994546A CN105504760A CN 105504760 A CN105504760 A CN 105504760A CN 201510994546 A CN201510994546 A CN 201510994546A CN 105504760 A CN105504760 A CN 105504760A
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- heavy metal
- humic acid
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- 239000000463 material Substances 0.000 title claims abstract description 50
- 239000000017 hydrogel Substances 0.000 title claims abstract description 49
- 239000010865 sewage Substances 0.000 title claims abstract description 44
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 239000004113 Sepiolite Substances 0.000 claims abstract description 36
- 229910052624 sepiolite Inorganic materials 0.000 claims abstract description 36
- 235000019355 sepiolite Nutrition 0.000 claims abstract description 36
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000004021 humic acid Substances 0.000 claims abstract description 32
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 15
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 15
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims abstract description 10
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims abstract description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 22
- 238000002156 mixing Methods 0.000 claims description 14
- 239000000725 suspension Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 11
- -1 Polyoxyethylene Polymers 0.000 claims description 11
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 11
- 239000004160 Ammonium persulphate Substances 0.000 claims description 9
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 8
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 238000013019 agitation Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- 208000005156 Dehydration Diseases 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 230000018044 dehydration Effects 0.000 claims description 2
- 238000006297 dehydration reaction Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 238000006386 neutralization reaction Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 12
- 150000002500 ions Chemical class 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002202 Polyethylene glycol Substances 0.000 abstract 2
- 229920001223 polyethylene glycol Polymers 0.000 abstract 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000005979 thermal decomposition reaction Methods 0.000 abstract 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 4
- 230000000274 adsorptive effect Effects 0.000 description 4
- 239000004005 microsphere Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000003245 working effect Effects 0.000 description 3
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920001661 Chitosan Polymers 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 235000010413 sodium alginate Nutrition 0.000 description 2
- 239000000661 sodium alginate Substances 0.000 description 2
- 229940005550 sodium alginate Drugs 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- UKVHQGHRJIEIML-UHFFFAOYSA-L calcium boric acid dichloride Chemical compound [Cl-].[Cl-].[Ca+2].OB(O)O UKVHQGHRJIEIML-UHFFFAOYSA-L 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a hydrogel material for treating heavy metal containing sewage. The hydrogel material is mainly prepared from, by weight, 30-50 parts of methacrylic acid, 20-30 parts of polyethylene glycol, 10-15 parts of sepiolite, 5.0-7.0 parts of polyvinyl alcohol, 3.0-5.0 parts of humic acid, 0.4-0.6 part of ammonium persulfate, 0.05-0.10 part of aluminum sulfate and 0.05-0.10 part of N,N'-methylene bisacrylamide. The reinforcing function of humic acid and sepiolite is utilized, humic acid and sepiolite are evenly inserted into a three-dimensional network hydrogel material formed by methacrylic acid, polyethylene glycol and polyvinyl alcohol, and the hydrogel material with good adsorption efficiency on heavy metal ions, the large adsorption amount, a stable structure and excellent mechanical performance is formed. Production cost is reduced, meanwhile, the thermal decomposition temperature of the material is raised, the service life of the material is prolonged, and the hydrogel material is suitable for the sewage treatment technology. The invention further discloses a preparation method of the hydrogel material for treating the heavy metal containing sewage. The production process is simple, cost is low, safety and environment friendliness are achieved, and market application prospects are achieved.
Description
Technical field
The invention belongs to field of new, be specifically related to a kind of for the treatment of hydrogel material containing heavy metal containing sewage and preparation method thereof.
Background technology
Along with fast development and the economic rapid growth of modern industry, traditional extensive style, labor-intensive economy Development patterns have brought a series of environmental problem.Wherein, water pollution problems is particularly severe.At present, water pollutions has become restriction Economic development, has affected social stability, jeopardized HUMAN HEALTH and has destroyed a large problem of the eubiosis.Meanwhile, China's natural water resources is extremely limited again, and therefore, the development of waste water control and sewage recycling technology and innovation ability should further be paid attention to.
China Patent Publication No. is composite aquogel and the preparation method that CN103804828A discloses a kind of Adsorption of Heavy Metal Ions, this preparation method comprises: first by polyvinyl alcohol and the complete mixed dissolution of sodium alginate in water, adding a certain amount of chitosan again makes it mix, in this mixed solution, add graphene oxide water solution through ultrasonic disperse again, finally with syringe mixed solution instilled in calcium chloride-boric acid saturated solution and make composite aquogel bead.The composite aquogel preparation technology of this invention is simple, strong operability, stable performance, reusable edible non-secondary pollution are used widely in heavy metal-polluted water treatment field.But hydrogel mechanical property prepared by the method is poor.
China Patent Publication No. is the preparation method that CN104804203A discloses a kind of hydrogel microsphere, step (1): the polymkeric substance of synthesis containing divinyl macromer group; Step (2): the polymkeric substance of synthesis containing dieneophile groups; Step (3): select emulsifying agent and organic phase, is dissolved in the water the macromole divinyl macromer of synthesis in step (2) and step (3) and macromole dienophile, stirs and forms stable w/o type emulsion; The stable w/o type emulsion formed in step (3) is carried out raised temperature, diene synthesis reaction occurs, through breakdown of emulsion, washing, suction filtration and drying program after reaction terminates, namely obtains hydrogel microsphere.The preparation method of this invention hydrogel microsphere is simple to operation, without the need to catalyzer or initiator; But hydrogel microsphere structural stability prepared by this invention and mechanical property poor.
China Patent Publication No. is that CN103877953A discloses a kind of hydrogel for sewage disposal and preparation method thereof, this hydrogel comprises polyvinyl alcohol 5-90 part, chitosan 5-90 part, Xylo-Mucine 0-20 part, graphene oxide 0.05-0.3 part, sodium alginate 3-5 part.The hydrogel of this invention can heavy metal ion in efficient adsorption water, and have high-adsorption-capacity, highly selective, recyclable regenerative utilizes, the features such as biodegradable; But hydrogel material structural stability prepared by this invention is poor, and work-ing life is short.
The fast development of adjoint China's economy and industrial technology, environmental problem more and more comes into one's own, sewage treating material has become the important component part in sewage disposal technology, be subject to every field to pay close attention to simultaneously, and it is less for the kind of the hydrogel material of sewage disposal at present, greatly limit the selection of sewage treating material, therefore, develop that a kind of to be applicable to having heavy metal ions in sewage adsorption efficiency of sewage disposal good, adsorptive capacity is large, the hydrogel material of excellent in mechanical performance, to enriching sewage treating material, promote that the development of sewage disposal is significant.
Summary of the invention
The object of the invention: in order to enrich sewage treating material kind, the invention provides a kind of for the treatment of the hydrogel material containing heavy metal containing sewage, it is good to heavy metal ions in sewage adsorption efficiency, adsorptive capacity is large, and stabilized structure, mechanical property is strong, low production cost, long service life, for sewage treating material provides more selection.
The technical solution used in the present invention: in order to solve the problem, provides a kind of for the treatment of the hydrogel material containing heavy metal containing sewage, is prepared from by the following material comprising humic acid and sepiolite with weight part:
Methacrylic acid 30-50
Polyoxyethylene glycol 20-30
Sepiolite 10-15
Polyvinyl alcohol 5.0-7.0
Humic acid 3.0-5.0
Ammonium persulphate 0.4-0.6
Tai-Ace S 150 0.05-0.10
N, N`-methylene-bisacrylamide 0.05-0.10
For the treatment of the preparation method of the hydrogel material containing heavy metal containing sewage, comprise the following steps:
(1) humic acid of to be the sepiolite of 10-15 and weight part by weight part be 3.0-5.0 is placed in water, and carries out ultrasonic disperse, forms suspension;
(2) be the methacrylic acid of 30-50 by weight part, weight part is the polyoxyethylene glycol of 20-30, weight part is the polyvinyl alcohol of 5.0-7.0, weight part is the ammonium persulphate of 0.4-0.6, weight part is the Tai-Ace S 150 of 0.05-0.10 and weight part is the N of 0.05-0.10, N`-methylene radical acrylamide adds in the suspension of step (1), ultrasonic agitation mixing is carried out at Heating temperature is 75 DEG C, mixing speed 400-600rpm, churning time 100-120 minute, obtains the Primary product mixed containing humic acid and sepiolite;
(3) step (2) is obtained the Primary product mixed containing humic acid and sepiolite to filter, cross filtered product washing with alcohol, compressing tablet, obtain for the treatment of the hydrogel material containing heavy metal containing sewage.
Further, described methacrylic acid degree of neutralization is between 65% and 90%.
Further, described sepiolite is fibrous sepiolite, and particle diameter is between 10 microns and 20 microns, and length-to-diameter ratio is between 10:1 and 20:1.
Further, described humic acid is after temperature is 300 DEG C of dehydrations, and the calcium chloride via 2mol/L soaks modification 2h, drier obtained at temperature is 80 DEG C.
Principle of the present invention: utilize modified humic acid and heavy metal ion to possess very strong complex ability, and the absorption property of the excellence of sepiolite with low cost, mechanical property and hydrophilicity, humic acid and sepiolite are interspersed in methacrylic acid uniformly, in the three-dimensional netted hydrogel material that polyoxyethylene glycol and polyvinyl alcohol are formed, form heavy metal ionic adsorption excellent in efficiency, adsorptive capacity is large, and stabilized structure, the hydrogel material of excellent in mechanical performance, improve obtained for the treatment of the hydrogel material fractionation by adsorption ability containing heavy metal containing sewage, reduce production cost, meanwhile, because sepiolite improves the heat decomposition temperature of methacrylic acid, polyoxyethylene glycol and polyvinyl alcohol, extend the work-ing life for the treatment of the hydrogel material containing heavy metal containing sewage.
Outstanding feature of the present invention and beneficial effect are:
(1) humic acid by adding heavy metal ion for the treatment of the hydrogel material containing heavy metal containing sewage with very strong complex ability of the present invention, the hydrogel material obtained is had heavy metal ions in sewage adsorption efficiency good, the feature that adsorptive capacity is large;
(2) of the present invention for the treatment of the hydrogel material excellent in mechanical performance containing heavy metal containing sewage, by the enhancement of sepiolite, mechanical property for the treatment of the hydrogel material containing heavy metal containing sewage is strengthened, and extends the work-ing life of hydrogel material;
(3) the present invention is simple for the treatment of the production technique of the hydrogel material containing heavy metal containing sewage, and with low cost, safety and environmental protection, has higher market application foreground.
Embodiment
Be further described the present invention according to specific embodiment below, the following stated is only the preferred embodiment of the present invention, and under same principle, can make part and improve, these improvement also belong in protection scope of the present invention:
Embodiment 1:
A kind of for the treatment of the hydrogel material containing heavy metal containing sewage:
(1) by weight part be 10 sepiolite and weight part be 3.0 humic acid be placed in water, and carry out ultrasonic disperse, form suspension;
(2) be the methacrylic acid of 30 by weight part, weight part is the polyoxyethylene glycol of 20, weight part is the polyvinyl alcohol of 5.0, weight part is the ammonium persulphate of 0.4, weight part be 0.05 Tai-Ace S 150 and weight part be that the N of 0.05, N`-methylene radical acrylamide adds in the suspension of step (1), ultrasonic agitation mixing is carried out at Heating temperature is 75 DEG C, mixing speed 400rpm, churning time 100 minutes, obtains the Primary product mixed containing humic acid and sepiolite;
(3) step (2) is obtained the Primary product mixed containing humic acid and sepiolite to filter, cross filtered product washing with alcohol, compressing tablet, obtain for the treatment of the hydrogel material containing heavy metal containing sewage.
Embodiment 2:
A kind of for the treatment of the hydrogel material containing heavy metal containing sewage:
(1) by weight part be 15 sepiolite and weight part be 5.0 humic acid be placed in water, and carry out ultrasonic disperse, form suspension;
(2) be the methacrylic acid of 50 by weight part, weight part is the polyoxyethylene glycol of 30, weight part is the polyvinyl alcohol of 7.0, weight part is the ammonium persulphate of 0.6, weight part be 0.10 Tai-Ace S 150 and weight part be that the N of 0.10, N`-methylene radical acrylamide adds in the suspension of step (1), ultrasonic agitation mixing is carried out at Heating temperature is 75 DEG C, mixing speed 400-600rpm, churning time 120 minutes, obtains the Primary product mixed containing humic acid and sepiolite;
(3) step (2) is obtained the Primary product mixed containing humic acid and sepiolite to filter, cross filtered product washing with alcohol, compressing tablet, obtain for the treatment of the hydrogel material containing heavy metal containing sewage.
Embodiment 3:
A kind of for the treatment of the hydrogel material containing heavy metal containing sewage:
(1) by weight part be 12 sepiolite and weight part be 4.2 humic acid be placed in water, and carry out ultrasonic disperse, form suspension;
(2) be the methacrylic acid of 38 by weight part, weight part is the polyoxyethylene glycol of 24, weight part is the polyvinyl alcohol of 5.9, weight part is the ammonium persulphate of 0.4, weight part be 0.07 Tai-Ace S 150 and weight part be that the N of 0.08, N`-methylene radical acrylamide adds in the suspension of step (1), ultrasonic agitation mixing is carried out at Heating temperature is 75 DEG C, mixing speed 480rpm, churning time 100 minutes, obtains the Primary product mixed containing humic acid and sepiolite;
(3) step (2) is obtained the Primary product mixed containing humic acid and sepiolite to filter, cross filtered product washing with alcohol, compressing tablet, obtain for the treatment of the hydrogel material containing heavy metal containing sewage.
Embodiment 4:
A kind of for the treatment of the hydrogel material containing heavy metal containing sewage:
(1) by weight part be 14 sepiolite and weight part be 3.4 humic acid be placed in water, and carry out ultrasonic disperse, form suspension;
(2) be the methacrylic acid of 48 by weight part, weight part is the polyoxyethylene glycol of 22, weight part is the polyvinyl alcohol of 6.8, weight part is the ammonium persulphate of 0.5, weight part be 0.09 Tai-Ace S 150 and weight part be that the N of 0.06, N`-methylene radical acrylamide adds in the suspension of step (1), ultrasonic agitation mixing is carried out at Heating temperature is 75 DEG C, mixing speed 400rpm, churning time 120 minutes, obtains the Primary product mixed containing humic acid and sepiolite;
(3) step (2) is obtained the Primary product mixed containing humic acid and sepiolite to filter, cross filtered product washing with alcohol, compressing tablet, obtain for the treatment of the hydrogel material containing heavy metal containing sewage.
Embodiment 5:
A kind of for the treatment of the hydrogel material containing heavy metal containing sewage:
(1) by weight part be 10 sepiolite and weight part be 5.0 humic acid be placed in water, and carry out ultrasonic disperse, form suspension;
(2) be the methacrylic acid of 34 by weight part, weight part is the polyoxyethylene glycol of 28, weight part is the polyvinyl alcohol of 6.1, weight part is the ammonium persulphate of 0.6, weight part be 0.07 Tai-Ace S 150 and weight part be that the N of 0.10, N`-methylene radical acrylamide adds in the suspension of step (1), ultrasonic agitation mixing is carried out at Heating temperature is 75 DEG C, mixing speed 540rpm, churning time 100-120 minute, obtain the Primary product mixed containing humic acid and sepiolite;
(3) step (2) is obtained the Primary product mixed containing humic acid and sepiolite to filter, cross filtered product washing with alcohol, compressing tablet, obtain for the treatment of the hydrogel material containing heavy metal containing sewage.
The each embodiment performance analysis data of table one
| Performance index | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Maximal absorptive capacity (mg/g) | 577 | 602 | 593 | 576 | 584 |
| Pb 2+Adsorption rate (%) | 98.73 | 99.02 | 98.81 | 98.64 | 98.46 |
| Cd 2+Adsorption rate (%) | 98.80 | 99.01 | 98.79 | 98.68 | 98.75 |
| Cu 2+Adsorption rate (%) | 97.98 | 98.65 | 98.21 | 98.41 | 98.37 |
| Physical strength (MPa) | 28.3 | 30.2 | 29.6 | 29.1 | 28.7 |
Claims (2)
1., for the treatment of the hydrogel material containing heavy metal containing sewage, it is characterized in that: be prepared from weight part by the following material comprising humic acid and sepiolite:
Methacrylic acid 30-50
Polyoxyethylene glycol 20-30
Sepiolite 10-15
Polyvinyl alcohol 5.0-7.0
Humic acid 3.0-5.0
Ammonium persulphate 0.4-0.6
Tai-Ace S 150 0.05-0.10
N, N`-methylene-bisacrylamide 0.05-0.10
Described for the treatment of the hydrogel material containing heavy metal containing sewage, prepare by the following method and obtain:
(1) humic acid of to be the sepiolite of 10-15 and weight part by weight part be 3.0-5.0 is placed in water, and carries out ultrasonic disperse, forms suspension;
(2) be the methacrylic acid of 30-50 by weight part, weight part is the polyoxyethylene glycol of 20-30, weight part is the polyvinyl alcohol of 5.0-7.0, weight part is the ammonium persulphate of 0.4-0.6, weight part is the Tai-Ace S 150 of 0.05-0.10 and weight part is the N of 0.05-0.10, N`-methylene radical acrylamide adds in the suspension of step (1), ultrasonic agitation mixing is carried out at Heating temperature is 75 DEG C, mixing speed 400-600rpm, churning time 100-120 minute, obtains the Primary product mixed containing humic acid and sepiolite;
(3) step (2) is obtained the Primary product mixed containing humic acid and sepiolite to filter, cross filtered product washing with alcohol, compressing tablet, obtain for the treatment of the hydrogel material containing heavy metal containing sewage.
2. according to claim 1 for the treatment of the hydrogel material containing heavy metal containing sewage, it is characterized in that: described methacrylic acid degree of neutralization is between 65% and 90%; Described sepiolite is fibrous sepiolite, and particle diameter is between 10 microns and 20 microns, and length-to-diameter ratio is between 10:1 and 20:1; Described humic acid is after temperature is 300 DEG C of dehydrations, and the calcium chloride via 2mol/L soaks modification 2h, drier obtained at temperature is 80 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510994546.8A CN105504760B (en) | 2015-12-28 | 2015-12-28 | It is a kind of to be used to handle hydrogel material containing heavy metal containing sewage and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510994546.8A CN105504760B (en) | 2015-12-28 | 2015-12-28 | It is a kind of to be used to handle hydrogel material containing heavy metal containing sewage and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105504760A true CN105504760A (en) | 2016-04-20 |
| CN105504760B CN105504760B (en) | 2017-12-08 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106220866A (en) * | 2016-07-28 | 2016-12-14 | 东北林业大学 | A kind of preparation method that copper ion is had high adsorption magnetic hydrogel |
| CN108439523A (en) * | 2016-07-15 | 2018-08-24 | 温州泓呈祥科技有限公司 | A kind of application of compound adsorbent in handling oily waste water |
| CN109806847A (en) * | 2019-03-27 | 2019-05-28 | 陕西科技大学 | A kind of humic acid type porous adsorbing material and its preparation method and application |
| CN111116943A (en) * | 2020-01-10 | 2020-05-08 | 天津科技大学 | Composite cellulose nanofibril hydrogel sphere and preparation method and application thereof |
| CN111250060A (en) * | 2020-01-20 | 2020-06-09 | 陕西科技大学 | Cross network, natural recyclable humic acid type adsorption material, and preparation method and application thereof |
| CN112694213A (en) * | 2021-01-12 | 2021-04-23 | 陕西科技大学 | Method for removing metal ions in wastewater |
| CN112717897A (en) * | 2021-01-12 | 2021-04-30 | 陕西科技大学 | Composite adsorption material and preparation method and application thereof |
| CN112755979A (en) * | 2021-01-12 | 2021-05-07 | 陕西科技大学 | Magnetic gel ball adsorption material and preparation method thereof |
| CN112875831A (en) * | 2021-01-20 | 2021-06-01 | 苏州础润生态科技有限公司 | Water quality improver for aquaculture, preparation method thereof and application thereof in water purification |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108439523A (en) * | 2016-07-15 | 2018-08-24 | 温州泓呈祥科技有限公司 | A kind of application of compound adsorbent in handling oily waste water |
| CN108439523B (en) * | 2016-07-15 | 2021-01-29 | 内蒙古永江佳源科技有限责任公司 | Application of composite adsorbent in treatment of oily wastewater |
| CN106220866A (en) * | 2016-07-28 | 2016-12-14 | 东北林业大学 | A kind of preparation method that copper ion is had high adsorption magnetic hydrogel |
| CN106220866B (en) * | 2016-07-28 | 2018-11-06 | 东北林业大学 | A kind of preparation method to copper ion with high adsorption magnetic hydrogel |
| CN109806847A (en) * | 2019-03-27 | 2019-05-28 | 陕西科技大学 | A kind of humic acid type porous adsorbing material and its preparation method and application |
| CN109806847B (en) * | 2019-03-27 | 2022-05-06 | 陕西科技大学 | Humic acid type porous adsorption material and preparation method and application thereof |
| CN111116943A (en) * | 2020-01-10 | 2020-05-08 | 天津科技大学 | Composite cellulose nanofibril hydrogel sphere and preparation method and application thereof |
| CN111250060A (en) * | 2020-01-20 | 2020-06-09 | 陕西科技大学 | Cross network, natural recyclable humic acid type adsorption material, and preparation method and application thereof |
| CN112694213A (en) * | 2021-01-12 | 2021-04-23 | 陕西科技大学 | Method for removing metal ions in wastewater |
| CN112717897A (en) * | 2021-01-12 | 2021-04-30 | 陕西科技大学 | Composite adsorption material and preparation method and application thereof |
| CN112755979A (en) * | 2021-01-12 | 2021-05-07 | 陕西科技大学 | Magnetic gel ball adsorption material and preparation method thereof |
| CN112875831A (en) * | 2021-01-20 | 2021-06-01 | 苏州础润生态科技有限公司 | Water quality improver for aquaculture, preparation method thereof and application thereof in water purification |
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