CN104910919A - Soil heavy metal cleaning improving material - Google Patents
Soil heavy metal cleaning improving material Download PDFInfo
- Publication number
- CN104910919A CN104910919A CN201410086459.8A CN201410086459A CN104910919A CN 104910919 A CN104910919 A CN 104910919A CN 201410086459 A CN201410086459 A CN 201410086459A CN 104910919 A CN104910919 A CN 104910919A
- Authority
- CN
- China
- Prior art keywords
- heavy metal
- improved materials
- polluted soil
- soil
- agent
- Prior art date
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- Pending
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7685—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing two or more non-condensed aromatic rings directly linked to each other
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Pest Control & Pesticides (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fertilizers (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The present invention discloses a soil heavy metal cleaning improving material, wherein a polyether polyol, a polyisocyanate, a pore opening agent, a high-water absorption resin, a heavy metal ion chelating auxiliary agent, a fertilizer, a composite catalyst, a foam stabilizer, ionized water and a physical foaming agent are adopted as raw materials and are subjected to a polymerization reaction to prepare the soil heavy metal cleaning improving material. According to the present invention, the soil heavy metal cleaning improving material integrates a variety of functions such as heavy metal ion absorbing, water absorbing, water retention, fertilizer absorbing, fertilizer retention, fertilizer slow release and the like, further has characteristics of good durability, simple preparation process, low investment and high production efficiency, and is suitable for improvement of soil in water-depletion, leanness and heavy metal pollution areas.
Description
Technical field
The invention belongs to technical field of land improvement, be specifically related to a kind of heavy metal-polluted soil and clean improved materials.
Background technology
In recent years along with the increase of west area population, people's excessive use soil accelerates the desertification in soil further.According to statistics, after the nineties in 20th century, Desertification Soil increases by 2 461km every year on average
2above, the loss caused about reaches 100,000,000 yuan every day, and has the trend south expanded.Desertification become restriction above regional economy and social development, living standards of the people improve important factor, if can not get thorough solution, national economy continue, steady progression also just can not get ensure.In addition along with the development of modern society's productivity, the blowdown flow rate of the industries such as weaving, electronics, chemical industry sharply increases, and plurality of heavy metal pollutent is also drained in environment thereupon, and this all causes serious harm to the health of unicellular lower eukaryote, farm crop and the mankind.Toxic effect time of heavy metal ion, long and microorganism cannot be degraded, and can accumulate in vivo and carcinogenic.China is a large agricultural country, the pollution of arid and heavy metal ion has had a strong impact on grain yield and food safety, cause very large financial loss to country, in the urgent need to exploitation soil improvement material, modification is carried out to soil, make it to adapt to higher yield of crops amount, free of contamination requirement.But existing soil improvement material kind is relative with function single, selling at exorbitant prices cannot spread.The Chinese patent being 201210028848.6 as application number discloses a kind of soil improvement material and preparation method thereof, and it is made up of polymkeric substance, sodium nitroprusside and Whitfield's ointment.This soil improvement material can work for soil various abiotic stress environment (arid, heavy metal contamination and acidity etc.), but it plays the function blocking stressful environmental, itself can not provide fertilizer to soil, keeps moisture etc.
Therefore develop a kind of have the several functions such as heavy metal cleans, nutrition, moisturizing in one, preparation technology's soil improvement material that is simple, with low cost, good endurance is the direction of future development.
Summary of the invention
The object of this invention is to provide a kind ofly with low cost have that heavy metal is clean, water suction, water conservation, suction fertilizer, fertilizer conservation multifunctional soil improvement material.
Object of the present invention can be reached by following measures:
A kind of heavy metal-polluted soil cleans improved materials, with polyether glycol, and polyisocyanates, pore-creating agent, super absorbent resin, heavy metal ion chelating auxiliary agent, chemical fertilizer, composite catalyst, suds-stabilizing agent, deionized water, pneumatogen part is raw material, prepares through polyreaction.
The mass parts consumption of each component of improved materials is: polyether glycol 100 parts, polyisocyanates 40 ~ 130 parts, pore-creating agent 0.1 ~ 1 part, super absorbent resin 5 ~ 25 parts, heavy metal ion chelating auxiliary agent 0.3-3 part, chemical fertilizer 10 ~ 55 parts, composite catalyst 0.5 ~ 3 part, suds-stabilizing agent 0.5 ~ 3 part, deionized water 0.1 ~ 2.5 part, pneumatogen 10 ~ 50 parts.
Polyether glycol in the present invention is polyether polyol with high activity, and hydroxyl value is 150 ~ 500mgKOH/g; Super absorbent resin is sodium polyacrylate or polyacrylic acid potassium resin, and granularity is 100 ~ 400 orders, water absorbent rate 400 ~ 1000 times; Chemical fertilizer is a kind of in urea, poly-IBDU, and granularity is 100 ~ 400 orders.
Polyisocyanates in the present invention is the many phenyl isocyanate of polymethine.
Composite catalyst in the present invention is a kind of in dibutyl tin laurate, stannous octoate and triethylene diamine, a kind of in four ethene triamines; Suds-stabilizing agent is organic silicon surfactant; Pore-creating agent is a kind of in polyoxytrimethylene-ethylene oxide copolyether, polyoxygenated alkene-polysiloxane copolymer; Heavy metal ion chelating auxiliary agent is a kind of in oxine, dithizone, 1-Nitroso-2-naphthol, dimethylglyoxime, BA; Pneumatogen is HCFC-141b.
In the present invention, heavy metal-polluted soil is cleaned improved materials and is prepared by polyreaction, comprise the steps: polyether glycol, super absorbent resin, chemical fertilizer, composite catalyst, pore-creating agent, heavy metal ion chelating auxiliary agent, suds-stabilizing agent, deionized water, pneumatogen, at room temperature stir according to a certain percentage, leave standstill 5 ~ 20 minutes; Add polyisocyanates rapidly, under 1000 ~ 3000r/min rotating speed, pour mould molding into after high-speed stirring, then obtain heavy metal-polluted soil through cutting and grinding and clean improved materials.
Beneficial effect of the present invention:
1, compared with single with existing general utility functions soil improvement material, heavy metal-polluted soil of the present invention cleans nourishing and moisturizing improved materials to be had and absorbs heavy metal ion, water suction, water conservation, suction fertilizer, fertilizer conservation, slow release fertilizer, raising soil water permeability and air permeability, improves the several functions such as the soil moisture in integrally.
2, this heavy metal-polluted soil cleans improved materials and is prepared by selecting suitable chemical fertilizer, thus can improve the nutrition of corresponding lean soil, be beneficial to surviving of plant.
3, this heavy metal-polluted soil cleans improved materials and has environment friendly, and its resistates not easily decomposites toxic ingredient, has no effect in soil to the growth of plant.
4, this heavy metal-polluted soil cleans improved materials good endurance, and cost is low, and preparation technology is simple, and less investment, production efficiency is high, is applicable to lack of water desert, is specially adapted to the area such as chiltern ground, arid lean soil, Desertification Soil, desert.
Embodiment
Below in conjunction with embodiment, the present invention will be further described, but following content is not limitation of the present invention.
Embodiment 1
In the reaction vessel that agitator, thermometer are housed, adding hydroxyl value is 155 mgKOH/g polyether glycol 100g, polyoxytrimethylene-ethylene oxide copolyether 0.3g, oxine 0.8g, stannous octoate 0.3g, triethylene diamine 0.6g, 300 orders gather Sodium Propionate 20g, 300 order urea 13g, suds-stabilizing agent 1.3g, deionized water 1g, HCFC-141b 15g, at room temperature stir, leave standstill 10min; Add rapidly polymethine many phenyl isocyanate 54g, under 3000r/min rotating speed, pour mould molding into after high-speed stirring, obtain heavy metal-polluted soil through cutting and grinding after 24h and clean improved materials.Its performance is as follows: sucking ionized water multiplying power is 157 times, and inhaling 0.9% physiological saline is 32 times, and after 30 days, N element release rate is respectively 31.3%, Cu
2+, Hg
+, Ni
2+, Cr
3+, Pb
2+, Cd
2+the adsorption rate of heavy metal ion is between 71.4%-74.5%.
Embodiment 2
In the reaction vessel that agitator, thermometer are housed, adding hydroxyl value is 250 mgKOH/g polyether glycol 100g, polyoxygenated alkene-polysiloxane copolymer 0.6g, dithizone 1.9g, dibutyl tin laurate 0.3g, four ethene triamine 0.7g, 100 order polyacrylic acid potassium 24g, 300 orders gather IBDU 13g, suds-stabilizing agent 1.3g, deionized water 0.7g, HCFC-141b 16g, at room temperature stir, leave standstill 10min; Add rapidly polymethine many phenyl isocyanate 73g, under 3000r/min rotating speed, pour mould molding into after high-speed stirring, obtain heavy metal-polluted soil through cutting and grinding after 24h and clean improved materials.Its performance is as follows: sucking ionized water multiplying power is 198 times, and inhaling 0.9% physiological saline is 39 times, and after 30 days, N element release rate is respectively 21.3%, Cu
2+, Hg
+, Ni
2+, Cr
3+, Pb
2+, Cd
2+the adsorption rate of heavy metal ion is between 76.2%-79.3%.
Embodiment 3
In the reaction vessel that agitator, thermometer are housed, adding hydroxyl value is 352 mgKOH/g polyether glycol 100g, polyoxytrimethylene-ethylene oxide copolyether 0.4g, 1-Nitroso-2-naphthol 2.8g, stannous octoate 0.5g, triethylene diamine 1.1g, 300 orders gather Sodium Propionate 10g, 200 order urea 14g, suds-stabilizing agent 2.0g, deionized water 0.5g, HCFC-141b 14g, at room temperature stir, leave standstill 10min; Add rapidly polymethine many phenyl isocyanate 95g, under 3000r/min rotating speed, pour mould molding into after high-speed stirring, obtain heavy metal-polluted soil through cutting and grinding after 24h and clean improved materials.Its performance is as follows: sucking ionized water multiplying power is 107 times, and inhaling 0.9% physiological saline is 24 times, and after 30 days, urea release rate is respectively 27.3%, Cu
2+, Hg
+, Ni
2+, Cr
3+, Pb
2+, Cd
2+the adsorption rate of heavy metal ion is between 82.7%-86.3%.
Embodiment 4
In the reaction vessel that agitator, thermometer are housed, adding hydroxyl value is 450 mgKOH/g polyether glycol 100g, polyoxytrimethylene-ethylene oxide copolyether 0.3g, dimethylglyoxime 0.8g, dibutyl tin laurate 0.6g, triethylene diamine 1.3g, 300 orders gather potassium propionate 20g, 300 order urea 13g, suds-stabilizing agent 1.3g, deionized water 0.4g, HCFC-141b 15g, at room temperature stir, leave standstill 10min; Add rapidly polymethine many phenyl isocyanate 118g, under 3000r/min rotating speed, pour mould molding into after high-speed stirring, obtain heavy metal-polluted soil through cutting and grinding after 24h and clean improved materials.Its performance is as follows: sucking ionized water multiplying power is 146 times, and inhaling 0.9% physiological saline is 30 times, and after 30 days, urea release rate is respectively 27.4%, Cu
2+, Hg
+, Ni
2+, Cr
3+, Pb
2+, Cd
2+the adsorption rate of heavy metal ion is between 72.1%-75.3%.
Claims (5)
1. a heavy metal-polluted soil cleans improved materials, it is characterized in that this improved materials is prepared from through polyreaction by the raw material of following mass parts: polyether glycol 100 parts, polyisocyanates 40 ~ 130 parts, pore-creating agent 0.1 ~ 1 part, super absorbent resin 5 ~ 25 parts, heavy metal ion chelating auxiliary agent 0.3-3 part, chemical fertilizer 10 ~ 55 parts, composite catalyst 0.5 ~ 3 part, suds-stabilizing agent 0.5 ~ 3 part, deionized water 0.1 ~ 2.5 part, pneumatogen 10 ~ 50 parts.
2. heavy metal-polluted soil according to claim 1 cleans improved materials, and it is characterized in that described polyether glycol is polyether polyol with high activity, hydroxyl value is 150 ~ 500 mgKOH/g.
3. heavy metal-polluted soil according to claim 1 cleans improved materials, and it is characterized in that described super absorbent resin is sodium polyacrylate or polyacrylic acid potassium resin, granularity is 100 ~ 400 orders, water absorbent rate 400 ~ 1000 times; Described chemical fertilizer is a kind of in urea, poly-IBDU, and granularity is 100 ~ 400 orders.
4. heavy metal-polluted soil according to claim 1 cleans improved materials, it is characterized in that described polyisocyanates is the many phenyl isocyanate of polymethine; Composite catalyst is a kind of in dibutyl tin laurate, stannous octoate and triethylene diamine, a kind of in four ethene triamines; Described suds-stabilizing agent is organic silicon surfactant; Pore-creating agent is a kind of in polyoxytrimethylene-ethylene oxide copolyether, polyoxygenated alkene-polysiloxane copolymer; Heavy metal ion chelating auxiliary agent is a kind of in oxine, dithizone, 1-Nitroso-2-naphthol, dimethylglyoxime, BA; Pneumatogen is HCFC-141b.
5. heavy metal-polluted soil according to claim 1 cleans the preparation method of improved materials, it is characterized in that the method comprises the following steps: by polyether glycol, super absorbent resin, chemical fertilizer, composite catalyst, pore-creating agent, heavy metal ion chelating auxiliary agent, suds-stabilizing agent, deionized water, pneumatogen, at room temperature stir according to a certain percentage, leave standstill 5 ~ 20 minutes; Add polyisocyanates rapidly, under 1000 ~ 3000r/min rotating speed, pour mould molding into after high-speed stirring, then obtain heavy metal-polluted soil through cutting and grinding and clean improved materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410086459.8A CN104910919A (en) | 2014-03-11 | 2014-03-11 | Soil heavy metal cleaning improving material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410086459.8A CN104910919A (en) | 2014-03-11 | 2014-03-11 | Soil heavy metal cleaning improving material |
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| Publication Number | Publication Date |
|---|---|
| CN104910919A true CN104910919A (en) | 2015-09-16 |
Family
ID=54080373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410086459.8A Pending CN104910919A (en) | 2014-03-11 | 2014-03-11 | Soil heavy metal cleaning improving material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104910919A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832215A (en) * | 2017-02-24 | 2017-06-13 | 耿佃勇 | Polyurethane water holding controlled release fertilizer and preparation method thereof |
| CN113273470A (en) * | 2021-05-29 | 2021-08-20 | 基元化工(福建)有限公司 | Method for planting sapling in desertified land |
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|---|---|---|---|---|
| WO2004103208A2 (en) * | 2003-05-15 | 2004-12-02 | Biomerix Corporation | Manufacture and use of implantable reticulated elastomeric matrices |
| CN102304362A (en) * | 2011-07-04 | 2012-01-04 | 江苏瑞丰科技实业有限公司 | Waterborne polyurethane sand-fixing agent and preparation method thereof |
| CN102417574A (en) * | 2011-11-23 | 2012-04-18 | 江苏瑞丰科技实业有限公司 | Biodegradable waterborne polyurethane sand-fixing agent and preparation method thereof |
| CN103204747A (en) * | 2013-03-18 | 2013-07-17 | 江苏瑞丰科技实业有限公司 | Nutritional composite gel material for soil improvement |
| CN103224600A (en) * | 2013-05-06 | 2013-07-31 | 江苏瑞丰科技实业有限公司 | Polyurethane foamed material for soil heavy mental ion adsorption |
-
2014
- 2014-03-11 CN CN201410086459.8A patent/CN104910919A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004103208A2 (en) * | 2003-05-15 | 2004-12-02 | Biomerix Corporation | Manufacture and use of implantable reticulated elastomeric matrices |
| CN102304362A (en) * | 2011-07-04 | 2012-01-04 | 江苏瑞丰科技实业有限公司 | Waterborne polyurethane sand-fixing agent and preparation method thereof |
| CN102417574A (en) * | 2011-11-23 | 2012-04-18 | 江苏瑞丰科技实业有限公司 | Biodegradable waterborne polyurethane sand-fixing agent and preparation method thereof |
| CN103204747A (en) * | 2013-03-18 | 2013-07-17 | 江苏瑞丰科技实业有限公司 | Nutritional composite gel material for soil improvement |
| CN103224600A (en) * | 2013-05-06 | 2013-07-31 | 江苏瑞丰科技实业有限公司 | Polyurethane foamed material for soil heavy mental ion adsorption |
Non-Patent Citations (1)
| Title |
|---|
| 杜峰等: "化学发泡剂对吸油聚氨酯泡沫性能的影响", 《塑料》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832215A (en) * | 2017-02-24 | 2017-06-13 | 耿佃勇 | Polyurethane water holding controlled release fertilizer and preparation method thereof |
| CN113273470A (en) * | 2021-05-29 | 2021-08-20 | 基元化工(福建)有限公司 | Method for planting sapling in desertified land |
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Application publication date: 20150916 |
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