CN105419814A - Soil repairing agent used for soil polluted by chromium, cadmium and arsenic and preparation method thereof - Google Patents
Soil repairing agent used for soil polluted by chromium, cadmium and arsenic and preparation method thereof Download PDFInfo
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- CN105419814A CN105419814A CN201510979821.9A CN201510979821A CN105419814A CN 105419814 A CN105419814 A CN 105419814A CN 201510979821 A CN201510979821 A CN 201510979821A CN 105419814 A CN105419814 A CN 105419814A
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- 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
Abstract
The invention provides a soil repairing agent used for soil polluted by chromium, cadmium and arsenic and a preparation method thereof. The soil repairing agent is composed of, by weight, 20-30 parts of dimercaptopropanol, 9-16 parts of cobalt ferrite, 7-15 parts of bismuth phosphate, 2-5 parts of tungsten oxide, 5-14 parts of hexahydroxyl sodium antimonate, 3-10 parts of sepiolite, 4-12 parts of oxidized sophocarpine, 3-9 parts of calcium chloride, 5-10 parts of potassium citrate, 2-7 parts of 1,3-dione, 6-13 parts of palmitic acid, 5-17 parts of diatomite, and 8-15 parts of glucono-[delta]-lactone. The soil repairing agent can reduce the concentration of chromium to lower than 18.7 mg/kg, the concentration of cadmium to lower than 23.6 mg/kg and the concentration of arsenic to lower than 21.9 mg/kg in polluted soil when being used for repairing soil. Heavy metal concentration of the repaired soil satisfies the demand of national grade-II soil quality standard.
Description
Technical field
The invention belongs to soil remediation field, particularly relate to
a kind of soil-repairing agent for chromium cadmium As polluted soil and preparation method thereof.
Background technology
The heavy metal of contaminated soil mainly comprises the significant elements of bio-toxicity such as mercury, cadmium, lead, chromium and metalloid arsenic, these heavy metals mainly come from industrial and mining enterprises' waste residue, waste water, mud, agricultural chemicals and flue dust atmospheric precipitation etc.Heavy metal cannot be decomposed by the microorganisms, and heavy metal self mobility is poor, enters and is gathered in human body, be detrimental to health easily via food chain, and heavy metal also may be converted into the material larger to harm in addition, brings larger harm.
The cardinal principle of the restorative procedure of heavy-metal contaminated soil has: be converted into low toxicity material to reduce its toxicity, changes the existence form of heavy metal in soil, and complete removal heavy metal.The main restorative procedure of contaminated soil has phytoremediation, microorganism remediation, physical chemistry reparation and Agricultural engineering recovery technique.Traditional soil-repairing agent due to its repairing effect difference and inefficiency, limits it and promotes and use.
Summary of the invention
The technical problem solved is: in order to soil-repairing agent for chromium cadmium As polluted soil of providing a kind of repairing effect good and preparation method thereof.
Technical scheme: in order to solve the problem, the invention provides a kind of soil-repairing agent for chromium cadmium As polluted soil, comprises the composition of following parts by weight:
Dimercaprol dimercaptopropanol 20 ~ 30 parts, cobalt ferrite 9 ~ 16 parts, bismuth phosphate 7 ~ 15 parts, Tungsten oxide 99.999 2 ~ 5 parts, hexahydroxy-close sodium antimonate 5 ~ 14 parts, sepiolite 3 ~ 10 parts, Sophocarpidin 4 ~ 12 parts, 3 ~ 9 parts, calcium chloride, Tripotassium Citrate 5 ~ 10 parts, 1,3-diketone 2 ~ 7 parts, palmitinic acid 6 ~ 13 parts, 5 ~ 17 parts, diatomite and glucono delta lactone 8 ~ 15 parts.
Further, the median size of described sepiolite is 300 orders.
Further, described diatomaceous density is 1.3 ~ 1.8g/cm
3, granularity is 250 orders.
Further, the described soil-repairing agent for chromium cadmium As polluted soil, comprises the composition of following parts by weight:
Dimercaprol dimercaptopropanol 24 parts, cobalt ferrite 11 parts, bismuth phosphate 9 parts, Tungsten oxide 99.999 3 parts, hexahydroxy-close sodium antimonate 8 parts, sepiolite 7 parts, Sophocarpidin 7 parts, 6 parts, calcium chloride, Tripotassium Citrate 8 parts, 1,3-diketone 5 parts, palmitinic acid 8 parts, 13 parts, diatomite and glucono delta lactone 12 parts.
For a preparation method for the soil-repairing agent of chromium cadmium As polluted soil, comprise following preparation process:
(1) weigh by weight: dimercaprol dimercaptopropanol 20 ~ 30 parts, cobalt ferrite 9 ~ 16 parts, bismuth phosphate 7 ~ 15 parts, Tungsten oxide 99.999 2 ~ 5 parts, hexahydroxy-close sodium antimonate 5 ~ 14 parts, sepiolite 3 ~ 10 parts, Sophocarpidin 4 ~ 12 parts, 3 ~ 9 parts, calcium chloride, Tripotassium Citrate 5 ~ 10 parts, 1,3-diketone 2 ~ 7 parts, palmitinic acid 6 ~ 13 parts, 5 ~ 17 parts, diatomite and glucono delta lactone 8 ~ 15 parts;
(2) sepiolite and diatomite in powder are milled to 100 ~ 200 orders, for subsequent use;
(3) dimercaprol dimercaptopropanol, Tungsten oxide 99.999, bismuth phosphate, hexahydroxy-are closed grinding material in sodium antimonate, Tripotassium Citrate, palmitinic acid, glucono delta lactone and step (2) mix and blend 2 ~ 4 hours at 40 ~ 60 DEG C;
(4) in step (3), add residue component, leave standstill after stirring and namely obtain required soil-repairing agent in 3 days.
Further, in described step (1), each component is by weight: dimercaprol dimercaptopropanol 24 parts, cobalt ferrite 11 parts, bismuth phosphate 9 parts, Tungsten oxide 99.999 3 parts, hexahydroxy-close sodium antimonate 8 parts, sepiolite 7 parts, Sophocarpidin 7 parts, 6 parts, calcium chloride, Tripotassium Citrate 8 parts, 1,3-diketone 5 parts, palmitinic acid 8 parts, 13 parts, diatomite and glucono delta lactone 12 parts.
Further, the properties of powder performace in described step (2) is 200 orders.
Further, in described step (3), temperature is 52 DEG C, and the mix and blend time is 3 hours.
The present invention has following beneficial effect: after the soil-repairing agent prepared by the present invention carries out repair process, the density loss of the chromium in contaminated soil is to below 18.7mg/kg, the density loss of cadmium is to below 23.6mg/kg, the density loss of arsenic is below 21.9mg/kg, and after repairing, the heavy metal concentration of soil meets
countrythe requirement of second grade soil quality standard.Contrasted from comparative example and embodiment 1, the dimercaprol dimercaptopropanol in component, bismuth phosphate and cobalt ferrite, and the removal of Sophocarpidin and the equal heavy metal ion of glucono delta lactone plays certain effect.
Embodiment
In order to understand the present invention further, below in conjunction with embodiment, invention specific embodiments is described, but should be appreciated that these describe just for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
Embodiment 1
For a preparation method for the soil-repairing agent of chromium cadmium As polluted soil, comprise following preparation process:
(1) weigh by weight: dimercaprol dimercaptopropanol 20 parts, cobalt ferrite 9 parts, bismuth phosphate 7 parts, Tungsten oxide 99.999 2 parts, hexahydroxy-close sodium antimonate 5 parts, sepiolite 3 parts, Sophocarpidin 4 parts, 3 parts, calcium chloride, Tripotassium Citrate 5 parts, 1,3-diketone 2 parts, palmitinic acid 6 parts, 5 parts, diatomite and glucono delta lactone 8 parts; Wherein, the median size of described sepiolite is 300 orders, and described diatomaceous density is 1.3g/cm
3, granularity is 250 orders;
(2) sepiolite and diatomite in powder are milled to 200 orders, for subsequent use;
(3) dimercaprol dimercaptopropanol, Tungsten oxide 99.999, bismuth phosphate, hexahydroxy-are closed grinding material in sodium antimonate, Tripotassium Citrate, palmitinic acid, glucono delta lactone and step (2) mix and blend 2 hours at 40 DEG C;
(4) in step (3), add residue component, leave standstill after stirring and namely obtain required soil-repairing agent in 3 days.
Embodiment 2
For a preparation method for the soil-repairing agent of chromium cadmium As polluted soil, comprise following preparation process:
(1) weigh by weight: dimercaprol dimercaptopropanol 30 parts, cobalt ferrite 16 parts, bismuth phosphate 15 parts, Tungsten oxide 99.999 5 parts, hexahydroxy-close sodium antimonate 14 parts, sepiolite 10 parts, Sophocarpidin 12 parts, 9 parts, calcium chloride, Tripotassium Citrate 10 parts, 1,3-diketone 7 parts, palmitinic acid 13 parts, 17 parts, diatomite and glucono delta lactone 15 parts; Wherein, the median size of described sepiolite is 300 orders, and described diatomaceous density is 1.8g/cm
3, granularity is 250 orders;
(2) sepiolite and diatomite in powder are milled to 100 orders, for subsequent use;
(3) dimercaprol dimercaptopropanol, Tungsten oxide 99.999, bismuth phosphate, hexahydroxy-are closed grinding material in sodium antimonate, Tripotassium Citrate, palmitinic acid, glucono delta lactone and step (2) mix and blend 4 hours at 60 DEG C;
(4) in step (3), add residue component, leave standstill after stirring and namely obtain required soil-repairing agent in 3 days.
Embodiment 3
For a preparation method for the soil-repairing agent of chromium cadmium As polluted soil, comprise following preparation process:
(1) weigh by weight: dimercaprol dimercaptopropanol 25 parts, cobalt ferrite 12 parts, bismuth phosphate 11 parts, Tungsten oxide 99.999 3 parts, hexahydroxy-close sodium antimonate 10 parts, sepiolite 6 parts, Sophocarpidin 8 parts, 6 parts, calcium chloride, Tripotassium Citrate 7 parts, 1,3-diketone 4 parts, palmitinic acid 10 parts, 11 parts, diatomite and glucono delta lactone 12 parts; Wherein, the median size of described sepiolite is 300 orders, and described diatomaceous density is 1.5g/cm
3, granularity is 250 orders;
(2) sepiolite and diatomite in powder are milled to 150 orders, for subsequent use;
(3) dimercaprol dimercaptopropanol, Tungsten oxide 99.999, bismuth phosphate, hexahydroxy-are closed grinding material in sodium antimonate, Tripotassium Citrate, palmitinic acid, glucono delta lactone and step (2) mix and blend 3 hours at 50 DEG C;
(4) in step (3), add residue component, leave standstill after stirring and namely obtain required soil-repairing agent in 3 days.
Embodiment 4
For a preparation method for the soil-repairing agent of chromium cadmium As polluted soil, comprise following preparation process:
(1) weigh by weight: dimercaprol dimercaptopropanol 22 parts, cobalt ferrite 14 parts, bismuth phosphate 12 parts, Tungsten oxide 99.999 3 parts, hexahydroxy-close sodium antimonate 10 parts, sepiolite 6 parts, Sophocarpidin 9 parts, 5 parts, calcium chloride, Tripotassium Citrate 7 parts, 1,3-diketone 6 parts, palmitinic acid 10 parts, 12 parts, diatomite and glucono delta lactone 11 parts; Wherein, the median size of described sepiolite is 300 orders, and described diatomaceous density is 1.5g/cm
3, granularity is 250 orders;
(2) sepiolite and diatomite in powder are milled to 180 orders, for subsequent use;
(3) dimercaprol dimercaptopropanol, Tungsten oxide 99.999, bismuth phosphate, hexahydroxy-are closed grinding material in sodium antimonate, Tripotassium Citrate, palmitinic acid, glucono delta lactone and step (2) mix and blend 4 hours at 48 DEG C;
(4) in step (3), add residue component, leave standstill after stirring and namely obtain required soil-repairing agent in 3 days.
Embodiment 5
For a preparation method for the soil-repairing agent of chromium cadmium As polluted soil, comprise following preparation process:
(1) weigh by weight: dimercaprol dimercaptopropanol 24 parts, cobalt ferrite 11 parts, bismuth phosphate 9 parts, Tungsten oxide 99.999 3 parts, hexahydroxy-close sodium antimonate 8 parts, sepiolite 7 parts, Sophocarpidin 7 parts, 6 parts, calcium chloride, Tripotassium Citrate 8 parts, 1,3-diketone 5 parts, palmitinic acid 8 parts, 13 parts, diatomite and glucono delta lactone 12 parts; Wherein, the median size of described sepiolite is 300 orders, and described diatomaceous density is 1.6g/cm
3, granularity is 250 orders;
(2) sepiolite and diatomite in powder are milled to 200 orders, for subsequent use;
(3) dimercaprol dimercaptopropanol, Tungsten oxide 99.999, bismuth phosphate, hexahydroxy-are closed grinding material in sodium antimonate, Tripotassium Citrate, palmitinic acid, glucono delta lactone and step (2) mix and blend 3 hours at 52 DEG C;
(4) in step (3), add residue component, leave standstill after stirring and namely obtain required soil-repairing agent in 3 days.
Comparative example 1
This comparative example is with the difference part of embodiment 1: not containing dimercaprol dimercaptopropanol, bismuth phosphate and cobalt ferrite, other components and preparation method are as described in Example 1.
Comparative example 2
This comparative example is with the difference part of embodiment 1: oxygen-freeization sophocarpine and glucono delta lactone, other components and preparation method are as described in Example 1.
Performance test
Get the heavy-metal contaminated soil that 1kg is to be repaired, then mix with soil-repairing agent described above, leave standstill after 1 day, contaminated soil is carried out to the concentration of its corresponding metal ion of sample detecting, and averages, result as
following table:
By
upper tableknown, after soil-repairing agent prepared by the present invention carries out repair process, the density loss of the chromium in contaminated soil is to below 18.7mg/kg, and the density loss of cadmium is to below 23.6mg/kg, the density loss of arsenic is below 21.9mg/kg, and after repairing, the heavy metal concentration of soil meets
countrythe requirement of second grade soil quality standard.Contrasted from comparative example and embodiment 1, the dimercaprol dimercaptopropanol in component, bismuth phosphate and cobalt ferrite, and the removal of Sophocarpidin and the equal heavy metal ion of glucono delta lactone plays certain effect.
Claims (8)
1. for a soil-repairing agent for chromium cadmium As polluted soil, it is characterized in that, comprise the composition of following parts by weight:
Dimercaprol dimercaptopropanol 20 ~ 30 parts, cobalt ferrite 9 ~ 16 parts, bismuth phosphate 7 ~ 15 parts, Tungsten oxide 99.999 2 ~ 5 parts, hexahydroxy-close sodium antimonate 5 ~ 14 parts, sepiolite 3 ~ 10 parts, Sophocarpidin 4 ~ 12 parts, 3 ~ 9 parts, calcium chloride, Tripotassium Citrate 5 ~ 10 parts, 1,3-diketone 2 ~ 7 parts, palmitinic acid 6 ~ 13 parts, 5 ~ 17 parts, diatomite and glucono delta lactone 8 ~ 15 parts.
2. the soil-repairing agent for chromium cadmium As polluted soil according to claim 1, is characterized in that, the median size of described sepiolite is 300 orders.
3. the soil-repairing agent for chromium cadmium As polluted soil according to claim 1, is characterized in that, described diatomaceous density is 1.3 ~ 1.8g/cm
3, granularity is 250 orders.
4. the soil-repairing agent for chromium cadmium As polluted soil according to claim 1, is characterized in that, comprises the composition of following parts by weight:
Dimercaprol dimercaptopropanol 24 parts, cobalt ferrite 11 parts, bismuth phosphate 9 parts, Tungsten oxide 99.999 3 parts, hexahydroxy-close sodium antimonate 8 parts, sepiolite 7 parts, Sophocarpidin 7 parts, 6 parts, calcium chloride, Tripotassium Citrate 8 parts, 1,3-diketone 5 parts, palmitinic acid 8 parts, 13 parts, diatomite and glucono delta lactone 12 parts.
5. a preparation method for the soil-repairing agent for chromium cadmium As polluted soil as described in any one of Claims 1-4, is characterized in that, comprise following preparation process:
(1) weigh by weight: dimercaprol dimercaptopropanol 20 ~ 30 parts, cobalt ferrite 9 ~ 16 parts, bismuth phosphate 7 ~ 15 parts, Tungsten oxide 99.999 2 ~ 5 parts, hexahydroxy-close sodium antimonate 5 ~ 14 parts, sepiolite 3 ~ 10 parts, Sophocarpidin 4 ~ 12 parts, 3 ~ 9 parts, calcium chloride, Tripotassium Citrate 5 ~ 10 parts, 1,3-diketone 2 ~ 7 parts, palmitinic acid 6 ~ 13 parts, 5 ~ 17 parts, diatomite and glucono delta lactone 8 ~ 15 parts;
(2) sepiolite and diatomite in powder are milled to 100 ~ 200 orders, for subsequent use;
(3) dimercaprol dimercaptopropanol, Tungsten oxide 99.999, bismuth phosphate, hexahydroxy-are closed grinding material in sodium antimonate, Tripotassium Citrate, palmitinic acid, glucono delta lactone and step (2) mix and blend 2 ~ 4 hours at 40 ~ 60 DEG C;
(4) in step (3), add residue component, leave standstill after stirring and namely obtain required soil-repairing agent in 3 days.
6. the preparation method of the soil-repairing agent for chromium cadmium As polluted soil according to claim 5, it is characterized in that, in described step (1), each component is by weight: dimercaprol dimercaptopropanol 24 parts, cobalt ferrite 11 parts, bismuth phosphate 9 parts, Tungsten oxide 99.999 3 parts, hexahydroxy-close sodium antimonate 8 parts, sepiolite 7 parts, Sophocarpidin 7 parts, 6 parts, calcium chloride, Tripotassium Citrate 8 parts, 1,3-diketone 5 parts, palmitinic acid 8 parts, 13 parts, diatomite and glucono delta lactone 12 parts.
7. the preparation method of the soil-repairing agent for chromium cadmium As polluted soil according to claim 5, is characterized in that, the properties of powder performace in described step (2) is 200 orders.
8. the preparation method of the soil-repairing agent for chromium cadmium As polluted soil according to claim 5, is characterized in that, in described step (3), temperature is 52 DEG C, and the mix and blend time is 3 hours.
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| CN201510979821.9A CN105419814A (en) | 2015-12-23 | 2015-12-23 | Soil repairing agent used for soil polluted by chromium, cadmium and arsenic and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105815755A (en) * | 2016-03-24 | 2016-08-03 | 李�杰 | Environment-friendly additive capable of improving rice nutrition value and food safety and preparation method thereof |
| CN105815757A (en) * | 2016-03-24 | 2016-08-03 | 李�杰 | Stabilizer for lowering leaching toxicity of heavy metal in food, food product and traditional Chinese medicine and improving food safety and environmental protection and preparation method of stabilizer |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538469A (en) * | 2009-04-29 | 2009-09-23 | 广东省农业科学院土壤肥料研究所 | Compound conditioner for soil pollution remediation and preparation method thereof |
| CN101962553A (en) * | 2010-09-21 | 2011-02-02 | 同济大学 | Curing agent for restoring heavy metal contaminated soil |
| CN102389776A (en) * | 2011-10-09 | 2012-03-28 | 广东省生态环境与土壤研究所 | Metal heavy absorbent and preparation method and use thereof |
| CN102716719A (en) * | 2012-07-04 | 2012-10-10 | 汪志友 | Heavy metal adsorbent for extracorporeal perfusion method and preparation method of heavy metal absorbent |
| CN103693789A (en) * | 2013-12-09 | 2014-04-02 | 华南师范大学 | Resource recycling method of heavy metals in heavy metal wastewater |
| CN103865543A (en) * | 2014-03-22 | 2014-06-18 | 广东工业大学 | Curing agent for heavy metal contaminated soil and application method thereof |
| CN104478060A (en) * | 2014-11-27 | 2015-04-01 | 长沙矿冶研究院有限责任公司 | Chemical agent and process for treating wastewater containing thallium and heavy metals |
| CN104531159A (en) * | 2014-12-09 | 2015-04-22 | 成都新朝阳作物科学有限公司 | Soil repairing agent and preparation method thereof |
| CN104549166A (en) * | 2015-01-19 | 2015-04-29 | 华南理工大学 | Dimercaptopropanol modified clay mineral material, and preparation method and application thereof |
-
2015
- 2015-12-23 CN CN201510979821.9A patent/CN105419814A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538469A (en) * | 2009-04-29 | 2009-09-23 | 广东省农业科学院土壤肥料研究所 | Compound conditioner for soil pollution remediation and preparation method thereof |
| CN101962553A (en) * | 2010-09-21 | 2011-02-02 | 同济大学 | Curing agent for restoring heavy metal contaminated soil |
| CN102389776A (en) * | 2011-10-09 | 2012-03-28 | 广东省生态环境与土壤研究所 | Metal heavy absorbent and preparation method and use thereof |
| CN102716719A (en) * | 2012-07-04 | 2012-10-10 | 汪志友 | Heavy metal adsorbent for extracorporeal perfusion method and preparation method of heavy metal absorbent |
| CN103693789A (en) * | 2013-12-09 | 2014-04-02 | 华南师范大学 | Resource recycling method of heavy metals in heavy metal wastewater |
| CN103865543A (en) * | 2014-03-22 | 2014-06-18 | 广东工业大学 | Curing agent for heavy metal contaminated soil and application method thereof |
| CN104478060A (en) * | 2014-11-27 | 2015-04-01 | 长沙矿冶研究院有限责任公司 | Chemical agent and process for treating wastewater containing thallium and heavy metals |
| CN104531159A (en) * | 2014-12-09 | 2015-04-22 | 成都新朝阳作物科学有限公司 | Soil repairing agent and preparation method thereof |
| CN104549166A (en) * | 2015-01-19 | 2015-04-29 | 华南理工大学 | Dimercaptopropanol modified clay mineral material, and preparation method and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105815755A (en) * | 2016-03-24 | 2016-08-03 | 李�杰 | Environment-friendly additive capable of improving rice nutrition value and food safety and preparation method thereof |
| CN105815757A (en) * | 2016-03-24 | 2016-08-03 | 李�杰 | Stabilizer for lowering leaching toxicity of heavy metal in food, food product and traditional Chinese medicine and improving food safety and environmental protection and preparation method of stabilizer |
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Application publication date: 20160323 |