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A critical review on the bio-removal of hazardous heavy metals from contaminated soils: Issues, progress, eco-environmental concerns and opportunities
作者: Wu, Gang2; Kang, Hubiao2,5; Zhang, Xiaoyang1; Shao, HongBo(邵宏波)1,3,4; Chu, Liye1; Ruan, Chengjiang4
刊名: JOURNAL OF HAZARDOUS MATERIALS
出版日期: 2010-02-15
卷号: 174, 期号:1-3, 页码:1-8
关键词: Heavy metals ; Soil ; Phytoremediation ; Microremediation ; Eco-environmental concerns ; Perspective
英文摘要: Mechanism of four methods for removing hazardous heavy metal are detailed and compared-chemical/physical remediation, animal remediation, phytoremediation and microremediation with emphasis on bio-removal aspects. The latter two, namely the use of plants and microbes, are preferred because of their cost-effectiveness, environmental friendliness and fewer side effects. Also the obvious disadvantages of other alternatives are listed. In the future the application of genetic engineering or cell engineering to create an expected and ideal species would become popular and necessary. However, a concomitant and latent danger of genetic pollution is realized by a few persons. To cope with this potential harm, several suggestions are put forward including choosing self-pollinated plants, creating infertile polyploid species and carefully selecting easy-controlled microbe species. Bravely, the authors point out that current investigation of noncrop hyperaccumulators is of little significance in application. Pragmatic development in the future should be crop hyperaccumulators (newly termed as "cropaccumulators") by transgenic or symbiotic approach. Considering no effective plan has been put forward by others about concrete steps of applying a hyperaccumulator to practice, the authors bring forward a set of universal procedures, which is novel, tentative and adaptive to evaluate hyperaccumulators' feasibility before large-scale commercialization. (C) 2009 Elsevier B.V. All rights reserved.
研究领域[WOS]: Engineering ; Environmental Sciences & Ecology
关键词[WOS]: GAMMA-GLUTAMYLCYSTEINE SYNTHETASE ; GENETICALLY-ENGINEERED PLANTS ; INDIAN MUSTARD ; PHYTOCHELATIN SYNTHASE ; ARABIDOPSIS-THALIANA ; ATP SULFURYLASE ; OAT ROOTS ; TOLERANCE ; PHYTOREMEDIATION ; ACCUMULATION
文章类型: Review
收录类别: SCI
语种: 英语
WOS记录号: WOS:000273984000001
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内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/9242
Appears in Collections:滨海湿地实验室_期刊论文

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作者单位: 1.QUST, Inst Life Sci, Qingdao 266042, Peoples R China
2.Chinese Acad Sci, Ecoenvironm Sci Res Ctr, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China
3.Chinese Acad Sci, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China
4.Chinese Acad Sci, Yantai Inst Costal Zone Res, Yantai 264003, Peoples R China
5.Chinese Acad Sci, Grad Univ, Beijing 10049, Peoples R China

Recommended Citation:
Wu, Gang,Kang, Hubiao,Zhang, Xiaoyang,et al. A critical review on the bio-removal of hazardous heavy metals from contaminated soils: Issues, progress, eco-environmental concerns and opportunities[J]. JOURNAL OF HAZARDOUS MATERIALS,2010,174(1-3):1-8.
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