CN107629800A - A kind of heavy-metal contaminated soil renovation agent and its preparation method and application - Google Patents
A kind of heavy-metal contaminated soil renovation agent and its preparation method and application Download PDFInfo
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- CN107629800A CN107629800A CN201710819782.5A CN201710819782A CN107629800A CN 107629800 A CN107629800 A CN 107629800A CN 201710819782 A CN201710819782 A CN 201710819782A CN 107629800 A CN107629800 A CN 107629800A
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Abstract
The present invention provides a kind of heavy-metal contaminated soil renovation agent and its preparation method and application, it is related to heavy-metal contaminated soil and repairs field, the improvement of heavy metal in soil pollution, including engineering control, chemical harnessing and plant ecological reparation etc., totally the problems such as remediation efficiency is low, processing cost is high be present, and also result in the loss of soil secondary pollution, structure destruction and some elements, in view of the shortcomings of the prior art, therefore a kind of heavy-metal contaminated soil renovation agent is invented, it is characterised in that be made up of the following raw material of mass parts：25 35 parts of zeolite powder, 20 30 parts of montmorillonite powder, 35 45 parts of attapulgite, 10 15 parts of diatomite, 80 100 parts of powdered rice hulls, 18 parts of chitosan, 1 10 parts of citric acid, 0.5 2 parts of zinc sulphide, 0.5 2.5 parts of selenium powder, 13 parts of negative ion powder, its advantage is effectively to make the heavy metals such as lead in soil, cadmium, mercury, arsenic, chromium, carry out converting the purpose for reaching soil remediation by the method for ion exchange, raw material is easy to get, cost is low, can batch production batch production.
Description
Technical field
The present invention relates to heavy-metal contaminated soil to repair field, and in particular to a kind of heavy-metal contaminated soil renovation agent.
Technical background
The improvement of heavy metal in soil pollution, including engineering control, chemical harnessing and plant ecological reparation etc., it is overall to exist
The problems such as remediation efficiency is low, processing cost is high, and also result in losing for soil secondary pollution, structure destruction and some elements
Lose, in view of the shortcomings of the prior art, therefore invent a kind of heavy-metal contaminated soil renovation agent, its advantage is effectively to make
The heavy metals such as lead, cadmium, mercury, arsenic, chromium in soil, carry out converting the purpose for reaching soil remediation by the method for ion exchange,
Raw material is easy to get, cost is low, can batch production batch production.
The content of the invention
The present invention is exactly to solve the problems of the prior art, there is provided a kind of heavy-metal contaminated soil renovation agent.
The technical problems to be solved by the invention are achieved through the following technical solutions.
A kind of heavy-metal contaminated soil renovation agent, it is characterised in that be made up of the following raw material of mass parts：Zeolite powder 25-35
Part, montmorillonite powder 20-30 parts, attapulgite 35-45 parts, diatomite 10-15 parts, powdered rice hulls 80-100 parts, chitosan 1-8 parts,
Citric acid 1-10 parts, zinc sulphide 0.5-2 parts, selenium powder 0.5-2.5 parts, negative ion powder 1-3 parts.
Further, a kind of heavy-metal contaminated soil renovation agent, it is characterised in that by the following raw material group of mass parts
Into：Zeolite powder 26-33 parts, montmorillonite powder 21-29 parts, attapulgite 36-43 parts, diatomite 11-15 parts, powdered rice hulls 85-95 parts,
Chitosan 2-7 parts, citric acid 1-9 parts, zinc sulphide 0.5-1.5 parts, selenium powder 0.5-2 parts, negative ion powder 1-2.5 parts.
Further, a kind of heavy-metal contaminated soil renovation agent, preparation method, which is characterized in that, to be comprised the following steps：
(1) chitosan, citric acid, zinc sulphide, selenium powder, negative ion powder are added into speed stirrer high speed stirring 20-40
Compound is made in minute；
(2) compound is made in moderate-speed mixer 30-50 minutes in gained compound and powdered rice hulls addition speed stirrer；
(3) gained compound and zeolite powder, montmorillonite powder, attapulgite, diatomite are added into low speed in speed stirrer
40-60 minutes are stirred, comminutor is added and causes particle diameter 1-5MM, you can a kind of heavy-metal contaminated soil of the present invention is made
Renovation agent.
Further, a kind of heavy-metal contaminated soil renovation agent, application process is characterized in that a kind of weight
Metallic pollution soil-repairing agent, be evenly dispersed in away from heavy-metal contaminated soil away from case depth be 20-150MM scope it
Between, every mu of 1000-6000 kilograms of dosage.
Its advantage of the present invention is：The heavy metals such as lead in soil, cadmium, mercury, arsenic, chromium can effectively be made, pass through ion
The method of exchange carries out the purpose that conversion reaches soil remediation, and raw material is easy to get, cost is low, can batch production batch production.
Embodiment
Embodiment 1
A kind of heavy-metal contaminated soil renovation agent of the present embodiment, it is characterised in that be made up of the following raw material of mass parts：Boiling
25 parts of stone flour, 20 parts of montmorillonite powder, 35 parts of attapulgite, 10 parts of diatomite, 100 parts of powdered rice hulls, 2 parts of chitosan, citric acid 2
Part, 0.5 part of zinc sulphide, 0.5 part of selenium powder, 1 part of negative ion powder.
A kind of heavy-metal contaminated soil renovation agent described in the present embodiment, preparation method, which is characterized in that, to be comprised the following steps：
(1) chitosan, citric acid, zinc sulphide, selenium powder, negative ion powder are added speed stirrer high speed and stirred 30 minutes
Compound is made；
(2) gained compound and powdered rice hulls are added into moderate-speed mixer in speed stirrer and compound is made in 30 minutes；
(3) gained compound and zeolite powder, montmorillonite powder, attapulgite, diatomite are added into low speed in speed stirrer
Stirring 60 minutes, adds comminutor and causes particle diameter 2MM, you can a kind of heavy-metal contaminated soil reparation of the present invention is made
Agent.
A kind of heavy-metal contaminated soil renovation agent described in the present embodiment, application process is characterized in that a kind of huge sum of money
Belong to contaminated soil remediation agent, be evenly dispersed between the scope for being 120MM away from case depth of heavy-metal contaminated soil, every mu
3000 kilograms of dosage.
Embodiment 2
A kind of heavy-metal contaminated soil renovation agent of the present embodiment, it is characterised in that be made up of the following raw material of mass parts：Boiling
28 parts of stone flour, 23 parts of montmorillonite powder, 38 parts of attapulgite, 12 parts of diatomite, 95 parts of powdered rice hulls, 3 parts of chitosan, 3 parts of citric acid,
0.8 part of zinc sulphide, 0.8 part of selenium powder, 2 parts of negative ion powder.
A kind of heavy-metal contaminated soil renovation agent described in the present embodiment, preparation method, which is characterized in that, to be comprised the following steps：
(1) chitosan, citric acid, zinc sulphide, selenium powder, negative ion powder are added speed stirrer high speed and stirred 30 minutes
Compound is made；
(2) gained compound and powdered rice hulls are added into moderate-speed mixer in speed stirrer and compound is made in 30 minutes；
(3) gained compound and zeolite powder, montmorillonite powder, attapulgite, diatomite are added into low speed in speed stirrer
Stirring 60 minutes, adds comminutor and causes particle diameter 2MM, you can a kind of heavy-metal contaminated soil reparation of the present invention is made
Agent.
A kind of heavy-metal contaminated soil renovation agent described in the present embodiment, application process is characterized in that a kind of huge sum of money
Belong to contaminated soil remediation agent, be evenly dispersed between the scope for being 120MM away from case depth of heavy-metal contaminated soil, every mu
3500 kilograms of dosage.
Embodiment 3
A kind of heavy-metal contaminated soil renovation agent of the present embodiment, it is characterised in that be made up of the following raw material of mass parts：Boiling
30 parts of stone flour, 25 parts of montmorillonite powder, 38 parts of attapulgite, 12 parts of diatomite, 90 parts of powdered rice hulls, 3 parts of chitosan, 3 parts of citric acid,
1 part of zinc sulphide, 1 part of selenium powder, 2 parts of negative ion powder.
A kind of heavy-metal contaminated soil renovation agent described in the present embodiment, preparation method, which is characterized in that, to be comprised the following steps：
(1) chitosan, citric acid, zinc sulphide, selenium powder, negative ion powder are added speed stirrer high speed and stirred 35 minutes
Compound is made；
(2) gained compound and powdered rice hulls are added into moderate-speed mixer in speed stirrer and compound is made in 40 minutes；
(3) gained compound and zeolite powder, montmorillonite powder, attapulgite, diatomite are added into low speed in speed stirrer
Stirring 60 minutes, adds comminutor and causes particle diameter 2MM, you can a kind of heavy-metal contaminated soil reparation of the present invention is made
Agent.
A kind of heavy-metal contaminated soil renovation agent described in the present embodiment, application process is characterized in that a kind of huge sum of money
Belong to contaminated soil remediation agent, be evenly dispersed between the scope for being 150MM away from case depth of heavy-metal contaminated soil, every mu
4000 kilograms of dosage.
Embodiment 4
A kind of heavy-metal contaminated soil renovation agent of the present embodiment, it is characterised in that be made up of the following raw material of mass parts：Boiling
32 parts of stone flour, 27 parts of montmorillonite powder, 38 parts of attapulgite, 12 parts of diatomite, 90 parts of powdered rice hulls, 3 parts of chitosan, 3 parts of citric acid,
1.5 parts of zinc sulphide, 1.5 parts of selenium powder, 2 parts of negative ion powder.
A kind of heavy-metal contaminated soil renovation agent described in the present embodiment, preparation method, which is characterized in that, to be comprised the following steps：
(1) chitosan, citric acid, zinc sulphide, selenium powder, negative ion powder are added speed stirrer high speed and stirred 40 minutes
Compound is made；
(2) gained compound and powdered rice hulls are added into moderate-speed mixer in speed stirrer and compound is made in 40 minutes；
(3) gained compound and zeolite powder, montmorillonite powder, attapulgite, diatomite are added into low speed in speed stirrer
Stirring 55 minutes, adds comminutor and causes particle diameter 2.5MM, you can a kind of heavy-metal contaminated soil reparation of the present invention is made
Agent.
A kind of heavy-metal contaminated soil renovation agent described in the present embodiment, application process is characterized in that a kind of huge sum of money
Belong to contaminated soil remediation agent, be evenly dispersed between the scope for being 150MM away from case depth of heavy-metal contaminated soil, every mu
4500 kilograms of dosage.
Embodiment 5
A kind of heavy-metal contaminated soil renovation agent of the present embodiment, it is characterised in that be made up of the following raw material of mass parts：Boiling
32 parts of stone flour, 30 parts of montmorillonite powder, 38 parts of attapulgite, 13 parts of diatomite, 85 parts of powdered rice hulls, 4 parts of chitosan, 4 parts of citric acid,
2 parts of zinc sulphide, 2 parts of selenium powder, 3 parts of negative ion powder.
A kind of heavy-metal contaminated soil renovation agent described in the present embodiment, preparation method, which is characterized in that, to be comprised the following steps：
(1) chitosan, citric acid, zinc sulphide, selenium powder, negative ion powder are added speed stirrer high speed and stirred 35 minutes
Compound is made；
(2) gained compound and powdered rice hulls are added into moderate-speed mixer in speed stirrer and compound is made in 40 minutes；
(3) gained compound and zeolite powder, montmorillonite powder, attapulgite, diatomite are added into low speed in speed stirrer
Stirring 55 minutes, adds comminutor and causes particle diameter 2MM, you can a kind of heavy-metal contaminated soil reparation of the present invention is made
Agent.
A kind of heavy-metal contaminated soil renovation agent described in the present embodiment, application process is characterized in that a kind of huge sum of money
Belong to contaminated soil remediation agent, be evenly dispersed between the scope for being 150MM away from case depth of heavy-metal contaminated soil, every mu
5000 kilograms of dosage.
Embodiment 6
A kind of heavy-metal contaminated soil renovation agent of the present embodiment, it is characterised in that be made up of the following raw material of mass parts：Boiling
35 parts of stone flour, 30 parts of montmorillonite powder, 45 parts of attapulgite, 15 parts of diatomite, 80 parts of powdered rice hulls, 8 parts of chitosan, 8 parts of citric acid,
2 parts of zinc sulphide, 2 parts of selenium powder, 3 parts of negative ion powder.
A kind of heavy-metal contaminated soil renovation agent described in the present embodiment, preparation method, which is characterized in that, to be comprised the following steps：
(1) chitosan, citric acid, zinc sulphide, selenium powder, negative ion powder are added speed stirrer high speed and stirred 40 minutes
Compound is made；
(2) gained compound and powdered rice hulls are added into moderate-speed mixer in speed stirrer and compound is made in 40 minutes；
(3) gained compound and zeolite powder, montmorillonite powder, attapulgite, diatomite are added into low speed in speed stirrer
Stirring 60 minutes, adds comminutor and causes particle diameter 2MM, you can a kind of heavy-metal contaminated soil reparation of the present invention is made
Agent.
A kind of heavy-metal contaminated soil renovation agent described in the present embodiment, application process is characterized in that a kind of huge sum of money
Belong to contaminated soil remediation agent, be evenly dispersed between the scope for being 100MM away from case depth of heavy-metal contaminated soil, every mu
6000 kilograms of dosage.
Above-described embodiment is only that the description of the invention not makes formal limitation to the present invention, is not departing from this hair
Within the scope of bright technical scheme any technology contents using the disclosure above make simple change etc. equivalent scheme belong to
Protection scope of the present invention.
Claims (4)
1. a kind of heavy-metal contaminated soil renovation agent, it is characterised in that be made up of the following raw material of mass parts：Zeolite powder 25-35
Part, montmorillonite powder 20-30 parts, attapulgite 35-45 parts, diatomite 10-15 parts, powdered rice hulls 80-100 parts, chitosan 1-8 parts,
Citric acid 1-10 parts, zinc sulphide 0.5-2 parts, selenium powder 0.5-2.5 parts, negative ion powder 1-3 parts.
2. a kind of heavy-metal contaminated soil renovation agent according to claim 1, it is characterised in that by the following raw material of mass parts
Composition：Zeolite powder 26-33 parts, montmorillonite powder 21-29 parts, attapulgite 36-43 parts, diatomite 11-15 parts, powdered rice hulls 85-95
Part, chitosan 2-7 parts, citric acid 1-9 parts, zinc sulphide 0.5-1.5 parts, selenium powder 0.5-2 parts, negative ion powder 1-2.5 parts.
3. a kind of heavy-metal contaminated soil renovation agent, preparation method is characterized in that including following step according to claim 1
Suddenly：
(1) chitosan, citric acid, zinc sulphide, selenium powder, negative ion powder are added into speed stirrer high speed stirring 20-40 minutes
Compound is made；
(2) compound is made in moderate-speed mixer 30-50 minutes in gained compound and powdered rice hulls addition speed stirrer；
(3) gained compound and zeolite powder, montmorillonite powder, attapulgite, diatomite are added into stirring at low speed in speed stirrer
40-60 minutes, add comminutor and cause particle diameter 1-5MM, you can a kind of heavy-metal contaminated soil reparation of the present invention is made
Agent.
4. a kind of heavy-metal contaminated soil renovation agent according to claim 1, application process is characterized in that described one kind
Heavy-metal contaminated soil renovation agent, be evenly dispersed in heavy-metal contaminated soil away from case depth be 20-150MM scope it
Between, every mu of 1000-6000 kilograms of dosage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710819782.5A CN107629800A (en) | 2017-09-11 | 2017-09-11 | A kind of heavy-metal contaminated soil renovation agent and its preparation method and application |
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| CN201710819782.5A CN107629800A (en) | 2017-09-11 | 2017-09-11 | A kind of heavy-metal contaminated soil renovation agent and its preparation method and application |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504389A (en) * | 2018-11-09 | 2019-03-22 | 天津天绿健科技有限公司 | A kind of soil-repairing agent and preparation method thereof handling heavy metal pollution |
| CN109550776A (en) * | 2018-10-23 | 2019-04-02 | 王汉之 | A method of utilizing molecular screen material repairing polluted soil |
| CN110105139A (en) * | 2019-05-18 | 2019-08-09 | 广西大学 | It is a kind of reduce rice content of beary metal selenium-rich nutritive regulator and its application |
| CN110591728A (en) * | 2019-10-31 | 2019-12-20 | 环保桥(湖南)生态环境工程股份有限公司 | Conditioner for mercury-polluted soil and preparation method thereof |
| CN111389897A (en) * | 2020-03-13 | 2020-07-10 | 广东东华园林绿化工程有限公司 | Soil pollution treatment method for ecological environment restoration |
| CN112552923A (en) * | 2020-11-23 | 2021-03-26 | 贵州欧瑞欣合环保股份有限公司 | Soil repairing agent and repairing method |
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| CN104058850A (en) * | 2014-06-20 | 2014-09-24 | 安徽省巨星肥业有限公司 | Slow-release compound fertilizer containing natural worm-expelling components |
| CN105613540A (en) * | 2014-11-05 | 2016-06-01 | 江苏龙灯化学有限公司 | Active component composition |
| CN106986720A (en) * | 2017-03-22 | 2017-07-28 | 湖南永清水务有限公司 | The method for producing soil conditioner using the waste residue for handling livestock breeding wastewater generation |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104058850A (en) * | 2014-06-20 | 2014-09-24 | 安徽省巨星肥业有限公司 | Slow-release compound fertilizer containing natural worm-expelling components |
| CN105613540A (en) * | 2014-11-05 | 2016-06-01 | 江苏龙灯化学有限公司 | Active component composition |
| CN106986720A (en) * | 2017-03-22 | 2017-07-28 | 湖南永清水务有限公司 | The method for producing soil conditioner using the waste residue for handling livestock breeding wastewater generation |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550776A (en) * | 2018-10-23 | 2019-04-02 | 王汉之 | A method of utilizing molecular screen material repairing polluted soil |
| CN109504389A (en) * | 2018-11-09 | 2019-03-22 | 天津天绿健科技有限公司 | A kind of soil-repairing agent and preparation method thereof handling heavy metal pollution |
| CN110105139A (en) * | 2019-05-18 | 2019-08-09 | 广西大学 | It is a kind of reduce rice content of beary metal selenium-rich nutritive regulator and its application |
| CN110591728A (en) * | 2019-10-31 | 2019-12-20 | 环保桥(湖南)生态环境工程股份有限公司 | Conditioner for mercury-polluted soil and preparation method thereof |
| CN111389897A (en) * | 2020-03-13 | 2020-07-10 | 广东东华园林绿化工程有限公司 | Soil pollution treatment method for ecological environment restoration |
| CN112552923A (en) * | 2020-11-23 | 2021-03-26 | 贵州欧瑞欣合环保股份有限公司 | Soil repairing agent and repairing method |
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Application publication date: 20180126 |