CN103962368B - A kind of animals and plants work in coordination with the technical method repairing cadmium, lead-contaminated soil - Google Patents
A kind of animals and plants work in coordination with the technical method repairing cadmium, lead-contaminated soil Download PDFInfo
- Publication number
- CN103962368B CN103962368B CN201410168329.9A CN201410168329A CN103962368B CN 103962368 B CN103962368 B CN 103962368B CN 201410168329 A CN201410168329 A CN 201410168329A CN 103962368 B CN103962368 B CN 103962368B
- Authority
- CN
- China
- Prior art keywords
- cadmium
- bed
- collaborative
- plant
- lead
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to a kind of animals and plants and work in coordination with the technical method repairing cadmium, lead-contaminated soil, dig near management goal district and build the collaborative reparation bed that the length of side is 5-10 rice, the degree of depth is 0.5-0.7 rice, peeling off contaminated soil is filled on collaborative reparation bed, collaborative bed of repairing is divided into zones of different, different types of earthworm is put in a suitable place to breed in each region, cadmium, lead content after 30-45 days in experimental analysis variety classes earthworm body, filter out cadmium, plumbous excess absorb and accumulates maximum earthworm kind; Plant different types of plant in collaborative reparation bed zones of different, in harvesting harvest time, cadmium, plumbous content in the stem of experimental analysis plant, leaf site, filter out cadmium, plumbous excess absorb and accumulates maximum plant species; Collaborative reparation bed is regularly watered, maintains vegeto-animal normal growth and breeding on bed, by vegeto-animal results and harvesting, realize heavy metal cadmium, the reparation of lead-contaminated soil, improvement.
Description
Technical field
The present invention relates to the Treatment process field of heavy-metal contaminated soil, especially a kind of animals and plants work in coordination with the technical method repairing cadmium, lead-contaminated soil.
Background technology
Along with the process of honouring an agreement of the development of China industrialization and urbanization and " Stockholm international convention ", there is large quantities of resettlement or by retired chemical enterprise in China, these chemical enterprises are due to the production of product and process, the toppling over and discharge of refuse, the factors such as the leakage of chemical substance cause quite serious contaminated sites, any risk assessment and environmental improvement is not carried out during the resettlement of part place, and soil, former address progressively will be adjusted to residential estate, public facility construction land used and land use for greening etc., while the conversion of these contaminated site land uses and secondary development, cadmium, lead-contaminated soil becomes " Chemical Time Bomb ", health and ecological safety in serious threat.
At present, administer heavy metal cadmium both at home and abroad, there is multiple method in lead contamination place, common mainly contains physical restoration, chemical restoration, restoration of the ecosystem method.The defect of single recovery technique is obvious, though as fast in chemical redemption speed, application area is wide, cost is large, is difficult to regulation and control in actual applications; Microorganism remediation is relatively economical and soil can not be made to produce secondary pollution, but easily produces harmful effect to soil texture, causes the damage of soil body.Combine d bioremediation can draw the strong point of single reparation, and multiple bioremediation technology is carried out parameter optimization, mutual supplement with each other's advantages and technological synthesis, so that repairing polluted soil more expeditiously.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of animals and plants simple to operate, small investment to work in coordination with the technical method repairing cadmium, lead-contaminated soil, the plant and animal species of screening to the cadmium in soil, plumbous excessive accumulaiton, by vegeto-animal results and harvesting, realize heavy metal cadmium, the reparation of lead-contaminated soil, improvement.
The technical solution adopted for the present invention to solve the technical problems is implemented as follows:
(1) collaborative construction of repairing bed;
(2) collaborative repair earthworm in bed preferred, put in a suitable place to breed and gather in the crops;
(3) screen on collaborative reparation bed, plant and gather in the plant that cadmium, plumbous excess are absorbed.
Further, in described step (1), the collaborative building course repairing bed is:
1. investigate, test, analyze, determine the scope of contaminated soil, area and the degree of depth;
2. according to investigation result, plan, determine position that contaminated soil administers, area;
3. dig near management goal district and build the collaborative reparation bed that the length of side is 5-10 rice, the degree of depth is 0.5-0.7 rice;
4. Anti-seeping technology is carried out in collaborative bottom of repairing bed, and adopt and lay barrier film, barrier film can adopt the plastic foil of 1.5-2 millimeters thick, and lap-joint will handle well, to improve anti-seepage effect; Further, for preventing barrier film to be destroyed, fine sand need be laid at barrier film bottom soil layer and barrier film upper surface, or adding fine sand as protective layer using geotextiles;
5. peel off contaminated soil, be filled on the protective layer of barrier film, stripping depth is 0.5-0.7 rice, if the degree of depth of soil pollution is comparatively large, needs repeatedly to peel off contaminated site, and each degree of depth peeled off is 0.5-0.7 rice; Soil after having repaired can first accumulation deposit, after orlop soil stripping, refill back original position.
Further, in described step (2) earthworm preferred, to put in a suitable place to breed and results process is:
1. collaborative reparation bed is divided into zones of different, puts different types of earthworm in a suitable place to breed in each region;
2. cadmium, lead content after 30-45 days in experimental analysis variety classes earthworm body, filter out cadmium, plumbous excess absorb and accumulates maximum earthworm kind;
3. again put the earthworm kind filtered out in a suitable place to breed in the zones of different of collaborative reparation bed, cadmium, lead content in experimental analysis different times earthworm body, determine that collaborative best earthworm of repairing bed puts the time in a suitable place to breed.
Further, the process of the plant that screening in described step (3), plantation and harvesting cadmium, plumbous excess absorb is:
1. collaborative reparation bed is divided into zones of different, the different types of plant of each ecological region planting, gather in harvest time, cadmium, plumbous content in the stem of experimental analysis plant, leaf site, calculate every Plants cadmium, plumbous average content, according to the order arrangement from big to small of cadmium, plumbous average content, filter out cadmium or the absorption of plumbous excess and accumulate maximum plant species;
2. on collaborative reparation bed, filter out cadmium, plumbous excess are absorbed and accumulate maximum plant species is again planted again;
3. collaborative reparation bed is regularly watered, maintain vegeto-animal normal growth and breeding on bed.
Preferably, in described step (3) during screening plant variety, the content of cadmium (lead) in the part of stem leaf of independent experimental analysis plant can be separated, calculate the average content of every Plants cadmium (lead), according to the average content order arrangement from big to small of cadmium (lead), filter out cadmium (lead) excess and absorb and accumulate maximum plant variety; Or cadmium and plumbous content sum in the part of stem leaf of experimental analysis plant, calculate the mean value of every Plants cadmium and lead content sum, arrange according to the mean value order from big to small of cadmium and lead content sum, filter out cadmium, plumbous excess absorbs and accumulates maximum plant variety.
Preferably, in described step (3), the plant variety of plantation selects Native species as far as possible, and such cost is low, efficiency is high.
Further, the earthworm of results and the plant of harvesting send garbage burning factory burning disposal.
Preferably, gather in season through one to two, after the collaborative soil repaired on bed reaches relevant national standard, the soil on bed is removed and stacks, carry out the reparation of next round.
The invention has the beneficial effects as follows, obtained by screening and cadmium, plumbous excess are absorbed, accumulate best earthworm and plant species, repair the industrial sites polluted, industrial sites after reparation can be used for the non-edible farmland of construction land, greening and part, this invention is easy to operate, small investment, cost are low, with strong points, safe and reliable.
Detailed description of the invention
In order to disclose the present invention further, below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment
Experiment carries out at Changzhou University's experimental site; the contaminated soil of experiment takes from an other chemical pollution place of Changzhou Zhong Wu main road; collaborative size of repairing bed is 2 meters × 1 meter × 0.6 meter; collaborative base impervious process of repairing bed; adopt and lay barrier film, barrier film adopts the plastic foil of 1.5 millimeters thick, further; for preventing barrier film to be destroyed, lay fine sand as protective layer at barrier film bottom soil layer and barrier film upper surface.
Collaborative bed glass of repairing is divided into four zoness of different, Eisenia Foetida is put in a suitable place to breed in two regions, Dula earthworm is put in two other region in a suitable place to breed, cadmium, lead content after 30 days in experimental analysis two kinds of earthworm bodies, filters out cadmium, plumbous excess absorbs and accumulates maximum Eisenia Foetida; The soil that two other puts the region of Dula earthworm in a suitable place to breed is carried out fragmentation, sieved, remove Dula earthworm, again put the Eisenia Foetida filtered out in a suitable place to breed, cadmium, lead content in experimental comparative analysis 20-45 days every day earthworm body, determine that the collaborative best earthworm time of putting in a suitable place to breed of repairing bed is 35 days.
Further, four zoness of different at collaborative reparation bed while putting earthworm in a suitable place to breed plant the different types of three-coloured amaranth in four kinds, southern area of Jiangsu Province collected, three-coloured amaranth is gathered in picking time, the stem of experimental analysis three-coloured amaranth, cadmium and plumbous content sum in leaf site, calculate the mean value of often kind of three-coloured amaranth cadmium and plumbous content sum, according to mean value order arrangement from big to small, filter out excess absorb and accumulate maximum VARIETIES OF VEGETABLE AMARANTHUS, again filter out cadmium and plumbous excess are absorbed and accumulate maximum VARIETIES OF VEGETABLE AMARANTHUS is planted again in contaminated soil, absorb when excess and accumulate the leaf gathering in three-coloured amaranth bottom maturation when maximum three-coloured amaranth grows to 0.2 meter, maintain the normal growth at other position of three-coloured amaranth, by constantly growing up, harvesting, three-coloured amaranth is made to obtain as far as possible many harvesting amounts a season of growth.
Collaborative reparation bed is regularly watered, maintains vegeto-animal normal growth and breeding on bed.
Further, the earthworm of results and the three-coloured amaranth of harvesting send garbage burning factory burning disposal.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to right.
Claims (4)
1. animals and plants work in coordination with the technical method repairing cadmium, lead-contaminated soil, and it is characterized in that, it is implemented in accordance with the following steps:
(1) collaborative construction of repairing bed;
(2) collaborative repair earthworm in bed preferred, put in a suitable place to breed and gather in the crops;
(3) screen on collaborative reparation bed, plant and gather in the plant that cadmium, plumbous excess are absorbed;
Further, in described step (1), the collaborative building course repairing bed is:
1. investigate, test, analyze, determine the scope of contaminated soil, area and the degree of depth;
2. according to investigation result, plan, determine position that contaminated soil administers, area;
3. dig near management goal district and build the collaborative reparation bed that the length of side is 5-10 rice, the degree of depth is 0.5-0.7 rice;
4. collaborative base impervious process of repairing bed, adopts and lays barrier film, and barrier film adopts the plastic foil of 1.5-2 millimeters thick, and lap-joint will handle well, to improve anti-seepage effect; Further, for preventing barrier film to be destroyed, fine sand need be laid at barrier film bottom soil layer and barrier film upper surface, or adding fine sand as protective layer using geotextiles;
5. peel off contaminated soil, be filled on the protective layer of barrier film, stripping depth is 0.5-0.7 rice, if the degree of depth of soil pollution is comparatively large, needs repeatedly to peel off contaminated site, and each degree of depth peeled off is 0.5-0.7 rice; The first accumulation deposit of soil after having repaired, refills back original position after orlop soil stripping;
Further, in described step (2) earthworm preferred, to put in a suitable place to breed and results process is:
1. collaborative reparation bed is divided into zones of different, puts different types of earthworm in a suitable place to breed in each region;
2. cadmium, lead content after 30-45 days in experimental analysis variety classes earthworm body, filter out cadmium, plumbous excess absorb and accumulates maximum earthworm kind;
3. again put the earthworm kind filtered out in a suitable place to breed in the zones of different of collaborative reparation bed, cadmium, lead content in experimental analysis different times earthworm body, determine that collaborative best earthworm of repairing bed puts the time in a suitable place to breed;
Further, the process that screening in described step (3), plantation and harvesting cadmium, plumbous excess absorb plant is:
1. collaborative reparation bed is divided into zones of different, the different types of plant of each ecological region planting, gather in harvest time, cadmium, plumbous content in the stem of experimental analysis plant, leaf site, calculate every Plants cadmium, plumbous average content, according to the order arrangement from big to small of cadmium, plumbous average content, filter out cadmium or the absorption of plumbous excess and accumulate maximum plant species;
2. on collaborative reparation bed, filter out cadmium, plumbous excess are absorbed and accumulate maximum plant species is again planted again;
3. collaborative reparation bed is regularly watered, maintain vegeto-animal normal growth and breeding on bed.
2. a kind of animals and plants as claimed in claim 1 work in coordination with the technical method repairing cadmium, lead-contaminated soil, it is characterized in that: during screening plant variety, separate the content of cadmium or lead in the part of stem leaf of independent experimental analysis plant, calculate the average content of every Plants cadmium or lead, arrange according to the average content order from big to small of cadmium or lead, filter out cadmium or the absorption of plumbous excess and accumulate maximum plant variety; Or cadmium and plumbous content sum in the part of stem leaf of experimental analysis plant, calculate the mean value of every Plants cadmium and lead content sum, arrange according to the mean value order from big to small of cadmium and lead content sum, filter out cadmium, plumbous excess absorbs and accumulates maximum plant variety.
3. a kind of animals and plants as claimed in claim 1 work in coordination with the technical method repairing cadmium, lead-contaminated soil, and it is characterized in that: the plant variety of plantation selects Native species as far as possible, such cost is low, efficiency is high.
4. a kind of animals and plants as claimed in claim 1 work in coordination with the technical method repairing cadmium, lead-contaminated soil, it is characterized in that: the earthworm of results and the plant of harvesting send garbage burning factory burning disposal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168329.9A CN103962368B (en) | 2014-04-24 | 2014-04-24 | A kind of animals and plants work in coordination with the technical method repairing cadmium, lead-contaminated soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168329.9A CN103962368B (en) | 2014-04-24 | 2014-04-24 | A kind of animals and plants work in coordination with the technical method repairing cadmium, lead-contaminated soil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103962368A CN103962368A (en) | 2014-08-06 |
| CN103962368B true CN103962368B (en) | 2016-04-13 |
Family
ID=51232649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410168329.9A Active CN103962368B (en) | 2014-04-24 | 2014-04-24 | A kind of animals and plants work in coordination with the technical method repairing cadmium, lead-contaminated soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103962368B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190699B (en) * | 2014-08-22 | 2017-02-08 | 江苏绿田环保科技有限公司 | Method for screening soil organic pollution remediation plant |
| CN104226680B (en) * | 2014-10-09 | 2016-04-13 | 常州大学 | A kind of prosthetic device of cadmium pollution soil and method |
| CN105312311A (en) * | 2014-10-21 | 2016-02-10 | 苗庆龄 | Method for repairing heavy metal contaminated soil through biochemical resources |
| CN105290092A (en) * | 2014-10-21 | 2016-02-03 | 苗庆龄 | Method for remediating heavy metal polluted soil comprehensively |
| CN104289506B (en) * | 2014-10-21 | 2016-07-06 | 大连地拓重工有限公司 | Cadmium, zinc, lead, copper ion contaminated soil biological renovation method |
| CN104289505B (en) * | 2014-10-21 | 2016-08-24 | 大连地拓重工有限公司 | The method of comprehensive utilization animals and plants restoration of soil polluted by heavy metal |
| CN104475433A (en) * | 2014-11-19 | 2015-04-01 | 湖南广义科技有限公司 | Harmless control and resource recovery method of lands polluted by heavy metals |
| CN104874596A (en) * | 2015-06-17 | 2015-09-02 | 北京中禾葆蓝环保科技有限公司 | Method for repairing soil heavy metal pollution by synergy of plants, mycorrhiza and earthworm |
| CN106342437B (en) * | 2016-08-31 | 2018-08-21 | 安徽金皖泰面粉有限公司 | A kind of subregion fertilizer application method |
| CN106391683A (en) * | 2016-11-23 | 2017-02-15 | 深圳市中禾环保工程有限公司 | Method for remedying heavy metals with earthworm microcosm system |
| CN107755415B (en) * | 2017-09-26 | 2022-07-12 | 浙江农林大学 | Device for repairing heavy metal contaminated soil and repairing method thereof |
| CN108372196B (en) * | 2018-02-09 | 2020-05-19 | 广州市怡地环保有限公司 | Heavy metal contaminated soil remediation method |
| CN110756576A (en) * | 2019-09-12 | 2020-02-07 | 金晨辉 | Soil replacement lead removal method for soil lead pollution treatment |
| CN112114113A (en) * | 2020-08-26 | 2020-12-22 | 西藏自治区农牧科学院农业质量标准与检测研究所 | Agricultural product heavy metal risk assessment method based on soil-crop system |
| CN112893449A (en) * | 2021-01-08 | 2021-06-04 | 河南大学 | Method for repairing heavy metal in tidal flat land based on animals and plants |
| CN114160567B (en) * | 2021-11-05 | 2023-06-16 | 湖南凯迪工程科技有限公司 | Animal and plant cooperative repair method and device for site pollution |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6250237B1 (en) * | 1991-02-04 | 2001-06-26 | Louis A. Licht | Method for using tree crops as pollutant control |
| US5391020A (en) * | 1992-05-06 | 1995-02-21 | Sdvc, Inc. | Method for removing a substance from a medium |
| EP2065103B1 (en) * | 2007-11-27 | 2012-06-06 | SEA SpA | Plant and process for in situ decontamination of soils and groundwater |
| CN101337231B (en) * | 2008-08-12 | 2011-02-02 | 天津师范大学 | Method for promoting lawn absorb heavy metal from consumer garbage compost and increasing photosynthesis amount cooperated with angleworm |
| CN101797579B (en) * | 2009-12-30 | 2011-08-31 | 中山大学 | Method for treating soil heavy metal combined pollution |
| CN101947539B (en) * | 2010-08-06 | 2012-02-22 | 浙江博世华环保科技有限公司 | Soil remediation method for treating heavy metal pollutants |
| CN101947541A (en) * | 2010-10-14 | 2011-01-19 | 上海第二工业大学 | Method for remediation of soil polluted by polycyclic aromatic hydrocarbons |
| CN102553904B (en) * | 2012-01-17 | 2013-06-05 | 浙江博世华环保科技有限公司 | Bioremediation method for soil polluted by heavy metals |
| CN203253712U (en) * | 2013-04-15 | 2013-10-30 | 中国地质大学（武汉） | Experimental device for researching soil heavy metal pollution remediation through earthworm-plant system |
-
2014
- 2014-04-24 CN CN201410168329.9A patent/CN103962368B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103962368A (en) | 2014-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103962368B (en) | A kind of animals and plants work in coordination with the technical method repairing cadmium, lead-contaminated soil | |
| CN102172607B (en) | Use of Debregeasia orientalis C. J. Chen in remediation of cadmium heavy metal contaminated soil | |
| CN108114977A (en) | It is a kind of to utilize super enriching plant and the method in the quick restoring cadmium polluted arable land of energy-source plant crop rotation plantation | |
| CN101015833A (en) | Renovation method for plant in soil of zinc-cadmium combined pollution | |
| CN103878171B (en) | A kind of Ecological Disposal bed of chromium-polluted soil | |
| CN111185469A (en) | Abandoned mine restoration method based on biological habitat restoration | |
| CN103909088A (en) | Technique for reducing content of cadmium and lead in soil | |
| CN106180160B (en) | Method for promoting castor to restore cadmium-zinc combined polluted soil | |
| CN106424130A (en) | Restoration method for cadmium-contaminated rice field | |
| CN102580987A (en) | Method for improving phytoremediation efficiency of farmland soil with light cadmium pollution by using potash fertilizer | |
| CN103418606A (en) | Method for restoring and using agricultural land contaminated by heavy metal | |
| CN105665439A (en) | Practical method for farmland soil cadmium pollution remediationby planting Salix jiangsuensis J795 | |
| CN102303040A (en) | Remediation method for acid heavy metal contaminated soil | |
| CN104259194A (en) | Restoration technology of cadmium-polluted soil | |
| CN103406348A (en) | Application of Youngia erythrocarpa in restoration of orchard soil contaminated by heavy metal cadmium | |
| CN109482628A (en) | A method of utilizing S.plumbizincicola-little leaf boxwood Intercropping System cadmium pollution soil repair | |
| CN103785678A (en) | Method for remediating cadmium-contaminated soil by utilizing nitrogenous fertilizer enhanced leaf beta vulgaris | |
| CN105598142A (en) | Method for repairing farmland soil polluted by cadmium | |
| CN103039150A (en) | Efficient low-price rapid abandoned tailing vegetation restoration method | |
| CN107774705A (en) | A kind of crop restorative procedure for cutting down agricultural land soil cadmium pollution | |
| CN1502423A (en) | Method for repairing arsenium contaminated environment | |
| CN110238179A (en) | A kind of pterylosis rush as pionner Acid mine discardedly it is multiple it is green in application and method | |
| Bai et al. | Study on eco-utilization and treatments of highway greening waste | |
| CN113728748B (en) | Soil improvement method for greening soil after thermal desorption remediation | |
| CN104607448B (en) | Method for restoring Cd-polluted soil or water body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201113 Address after: 213000 No.1 building of SME Entrepreneurship Center, Yitang Town, Pizhou City, Xuzhou City, Jiangsu Province Patentee after: JIANGSU JINGMU BIOTECHNOLOGY Co.,Ltd. Address before: Gehu Lake Road Wujin District 213164 Jiangsu city of Changzhou province No. 1 Patentee before: CHANGZHOU University |