CN101961726B - Application of malva for remediation of cadmium and lead pollution of mine soil and sludge - Google Patents
Application of malva for remediation of cadmium and lead pollution of mine soil and sludge Download PDFInfo
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- CN101961726B CN101961726B CN2009103046538A CN200910304653A CN101961726B CN 101961726 B CN101961726 B CN 101961726B CN 2009103046538 A CN2009103046538 A CN 2009103046538A CN 200910304653 A CN200910304653 A CN 200910304653A CN 101961726 B CN101961726 B CN 101961726B
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Abstract
The invention discloses application of malva to remediation of cadmium and lead pollution of mine soil and sludge, which is characterized by planting malva in the mine soil or sludge polluted by heavy metals. The invention has the following beneficial effects: the malva is planted in the mine soil or sludge by utilizing the enrichment characteristics of malva toward cadmium, lead and other heavy metals, and can absorb the accumulated heavy metals such as cadmium, lead, etc, and most malva is transported above the ground to achieve the aim of remediating heavy metal pollution of mine soil and sludge; the malva dispenses with special management in the growth process, thus the cost is lower and the operability is strong; and meanwhile, the invention develops new plant resource varieties for remediation of plants polluted by heavy metals in the mine oil and sludge and brings new progress and development space for deep development of plant remediation technology.
Description
Technical field
The present invention relates to the recovery technique field of heavy metal pollution in the environment, especially a kind of plant high mallow is in the cadmium of repairing mine soil and mud, the application in the plumbous heavy metal pollution.
Background technology
Heavy metal in the environment (as cadmium Cd, plumbous Pb etc.) pollutes and has characteristics such as disguise, chronicity and irreversibility, its pollutant poor mobility, holdup time in medium are grown, can not be degraded by microorganisms, also can influence human health the most at last, cause immeasurable influence through approach such as food chain transmission.
The method of repairing heavy metal pollution mainly comprises engineering reparation, physical chemistry reparation, biological restoration (phytoremediation and microorganism are repaired) and Agro-ecology reparation etc. at present.These methods all have characteristics separately, can reduce the pollution level of heavy metal to a certain extent.Yet, adopt engineering, physico-chemical process remediating heavy metal to have certain limitation, be difficult to extensive large stretch of soil and the mud of handling pollution usually, and can cause the fertility degeneration and the biologically active of soil and mud to descend; And there is long shortcoming of cycle in the Agro-ecology measure.Biological restoration particularly phytoremediation has small investment, efficient height, and does not cause multifrequency natures such as secondary pollution, has shown great potentiality in the heavy metal pollution of environment such as repairing mine soil and mud, becomes the research focus that receives much concern in recent years.
Develop at present the plant that is used for the repairing heavy metal in soil pollution and mainly comprised Thymifoious Euphorbia Herb, giantreed, corn, soybean etc.In addition, thus the inventor had found once in special project research for many years that the wild crowndaisy chrysanthemum of the wild crowndaisy chrysanthemum platymiscium of Papaveraceae slenderstalk dicranostigma herb platymiscium slenderstalk dicranostigma herb and composite family etc. had enriched character to heavy metals such as Cd, Cu, Pb, Zn and can be used for repair process (seeing Chinese patent ZL 20,061,002,266 9.6 and Chinese patent application 200810045743.5) to heavy metal pollution of soil.
However, be applicable to that the plant variety of heavy metal pollution of soil biological restoration is still very limited; Especially along with fast development of modern industry, various heavy metal pollutions are also serious day by day.In the face of serious day by day heavy metal pollution problem, the plant variety resource that can be used for the heavy metal pollution of soil biological restoration at present is difficult to satisfy actual needs especially, suddenly treats further research and enlarges available resources.But well-knownly be, because the degree of enriching of plant resources will determine which plant whether have some corresponding characteristic on the earth, but is not a pipe course, even spend a large amount of human and material resources and financial resources, also may not just can filter out the plant variety that suits the requirements.
Summary of the invention
The inventor after plants such as finding slenderstalk dicranostigma herb, wild crowndaisy chrysanthemum has enriched character to heavy metals such as Cd, Cu, Pb, Zn, finds in the research work of being engaged in the heavy metal pollution reparation for many years once more: (Latin is by name for Malvaceae mallow high mallow
Malva sinensisCavan), the cadmium in the environment such as mine soil and mud, plumbous this two heavy metal species had significant enriched character.Therefore, purpose of the present invention is exactly the problem that can be used for the plant variety inadequate resource of heavy metal pollution of soil biological restoration at above-mentioned, provides a kind of new plant variety high mallow in the cadmium of repairing mine soil and mud, the application in the plumbous heavy metal pollution.
In order to realize the foregoing invention purpose, the technical solution used in the present invention is as follows:
High mallow is planted high mallow in the mine soil or mud of heavy metal pollution in the cadmium of repairing mine soil and mud, the application in the plumbous heavy metal pollution, the high mallow of plantation is carried out the aerial part of periodical reaping plant.
The vitality of high mallow is very vigorous, is easy to survive, and can directly transplant or seed sowing be grown; Can survive under field conditions (factors), in its whole growth process, not need to carry out special management.
Treat that aerial part carries out periodical reaping when forming certain biomass, its seed diffusivity with the wind is strong, and the natural propagation growth does not need annual plantation fast, can effectively reduce the content that pollutes the heavy metals such as Cd, Pb in mine soil and the mud, thus repairing polluted soil and mud.
High mallow among the present invention, (Latin is by name for Malvaceae mallow 2 years or herbaceos perennial
Malva sinensisCavan), through experimental study, prove that it mainly has enriched character to cadmium (Cd), plumbous heavy metals such as (Pb).The present invention has made full use of the enriched character of high mallow to heavy metals such as above-mentioned Cd, Pb, with its seedling replanting or with its seed sowing to the contaminated by heavy metals mine soil and mud, heavy metals such as the Cd in absorption and accumulation mine soil and the mud, Pb, and its major part is transported to aerial part, reduce the content of Cd, Pb etc. in mine soil and the mud, when treating that aerial part forms certain biomass, but the toothing harvesting is extracted continuously, thereby reaches the purpose that reduces Cd, Pb content in contaminated soil and the mud.
Compared with prior art, the invention has the beneficial effects as follows:
The inventor finds that by experimental study for many years high mallow has significant enriched character to heavy metals such as cadmium, lead.The present invention utilizes this enriched character of high mallow to heavy metals such as cadmium, lead just, it is planted in mine soil or mud, but heavy metals such as absorption and accumulation cadmium, lead, and its major part is transported to aerial part, to reach the purpose that repairing mine soil and sludge heavy-metal pollute.And, because the vitality of high mallow is very vigorous, be easy to survive, in its whole growth process, all do not need to carry out special management, thereby cost is lower, workable; Simultaneously also developed new plant resource variety, for the deep development of phytoremediation technology has brought new progress and development space for heavy metal-polluted plants reparation in mine soil and the mud.
The specific embodiment
The present invention is described in further detail below in conjunction with the specific embodiment.
But this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to following embodiment.
Embodiment 1
Present embodiment be high mallow in the cadmium of repairing mine soil, the application in the plumbous heavy metal pollution, its concrete practice is:
Adopt direct transplanting method, under the natural conditions, plantation Malvaceae mallow high mallow in the soil of state, Ganzi, Sichuan Province Dardo County south mining area heavy metal pollution (
Malva sinensisCavan);
The aerial part of harvesting plant after 3 months, recording wherein, the weight percentage of Cd, Pb two heavy metal species is respectively: 110.8 mg kg
-1, 582.9 mg kg
-1
Embodiment 2
Present embodiment is a high mallow in the cadmium of repairing mud, the application in the plumbous heavy metal pollution, and its concrete practice is:
Adopt seed direct-seeding under the natural conditions, plantation Malvaceae mallow high mallow in the mud of the plumbous zinc ore district's heavy metal pollution of Sichuan Province's Yajiang Malaysia and China (
Malva sinensisCavan);
The aerial part of harvesting plant after 85 days, recording wherein, the weight percentage of Cd, Pb two heavy metal species is respectively: 100.6 mg kg
-1, 502.8 mg kg
-1
By the foregoing description 1 and 2 as seen, the present invention can absorb the heavy metals such as Cd, Pb in the contaminated soil significantly by plant high mallow in the mine soil of heavy metal pollution or mud, thereby reaches the purpose that effective repairing mine soil and sludge heavy-metal pollute.
Claims (2)
1. high mallow is characterized in that in the cadmium of repairing mine soil and mud, the application in the plumbous heavy metal pollution: high mallow is planted in the mine soil or mud of heavy metal pollution, the high mallow of plantation is carried out the aerial part of periodical reaping plant.
2. application according to claim 1 is characterized in that: described high mallow is directly transplanted or the high mallow seed sowing is planted in the mine soil or mud of heavy metal pollution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103046538A CN101961726B (en) | 2009-07-22 | 2009-07-22 | Application of malva for remediation of cadmium and lead pollution of mine soil and sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103046538A CN101961726B (en) | 2009-07-22 | 2009-07-22 | Application of malva for remediation of cadmium and lead pollution of mine soil and sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101961726A CN101961726A (en) | 2011-02-02 |
| CN101961726B true CN101961726B (en) | 2011-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103046538A Expired - Fee Related CN101961726B (en) | 2009-07-22 | 2009-07-22 | Application of malva for remediation of cadmium and lead pollution of mine soil and sludge |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103385097B (en) * | 2013-07-03 | 2015-08-19 | 华南农业大学 | A kind of hybrid giant napier that utilizes transforms the method that municipal sludge is plant product |
| CN103817141B (en) * | 2014-02-25 | 2015-11-18 | 四川农业大学 | Clearvers repairs the application in farmland soil heavy metals cadmium pollution in the winter time |
| CN105057328A (en) * | 2015-08-06 | 2015-11-18 | 惠州市东江园林工程有限公司 | Heavy-metal soil remediation method for mine |
| CN106583431B (en) * | 2016-12-21 | 2020-04-28 | 河南科技学院 | Biological remediation method for heavy metal lead-cadmium contaminated soil based on kosteletzkya virginica |
| CN109365497A (en) * | 2018-12-17 | 2019-02-22 | 桂林理工大学 | A method of stablizing cadmium pollution mine soil using Mine ecology type Lindley Butterflybush Herb |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1225321C (en) * | 2002-07-05 | 2005-11-02 | 束文圣 | Use of violet in repairing lead and cadmium polluted soil and water and culturing method |
| CN101439345A (en) * | 2007-11-21 | 2009-05-27 | 中国科学院沈阳应用生态研究所 | Method for repairing soil with cadmium pollution using abundant plant Kalimeris integrifolia |
| CN101456028A (en) * | 2007-12-14 | 2009-06-17 | 中国科学院沈阳应用生态研究所 | Cadmium pollution soil repair method using ornamental plant Emilia fosbergii Nicolson |
-
2009
- 2009-07-22 CN CN2009103046538A patent/CN101961726B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1225321C (en) * | 2002-07-05 | 2005-11-02 | 束文圣 | Use of violet in repairing lead and cadmium polluted soil and water and culturing method |
| CN101439345A (en) * | 2007-11-21 | 2009-05-27 | 中国科学院沈阳应用生态研究所 | Method for repairing soil with cadmium pollution using abundant plant Kalimeris integrifolia |
| CN101456028A (en) * | 2007-12-14 | 2009-06-17 | 中国科学院沈阳应用生态研究所 | Cadmium pollution soil repair method using ornamental plant Emilia fosbergii Nicolson |
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| CN101961726A (en) | 2011-02-02 |
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