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题名: Bioremediation of agricultural solid waste leachates with diverse species of Cu (II) and Cd (II) by periphyton
作者: Yang, Jiali1, 5; Liu, Junzhuo1; Wu, Chenxi2; Kerr, Philip G.3; Wong, Po-Keung4; Wu, Yonghong1
关键词: Agricultural solids ; Leachate ; Periphyton ; Cu2+ ; Cd2+ ; Remediation
刊名: BIORESOURCE TECHNOLOGY
发表日期: 2016-12-01
DOI: 10.1016/j.biortech.2016.09.048
卷: 221, 页:214-221
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine ; Technology
类目[WOS]: Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
研究领域[WOS]: Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
英文摘要: The aim of this work was to study the bioremediation of agricultural solid waste leachates with high-concentrations of Cu (II) and Cd (II) after washing the wastes with water and Na(2)EDTA solution (0.2 M). Results indicate that Cu (II) and Cd (II) are mainly comprised of Cu-2(OH)(2)(2+), Cu-3(OH)(4)(2+), CuOH+, Cu(H2O)(4)(OH)(2), Cd2+ and CdOH+ in the water-washed leachates and Cu(EDTA)(2-), Cu(HEDTA)(-), Cd (EDTA)(2-) and Cd(HEDTA)(-) in the Na(2)EDTA-washed leachates. Cu (II) removal efficiency by selected native periphyton from the water- and Na(2)EDTA-washed leachates were 80.5% and 68.4% respectively, and for Cd (II) it was 57.1% and 64.6%, because the periphyton was able to maintain a stable pH of the leachates and regulate its microbial composition and carbon metabolic capability to acclimate the chemical conditions of the leachates. This study provides a new biomeasure to treat leachates with high-concentration Cu2+ and Cd2+, and contribute valuable insights into the relationships between periphyton characteristics and heavy metals. (C) 2016 Elsevier Ltd. All rights reserved.
关键词[WOS]: MICROBIAL COMMUNITY ; ORGANIC-MATTER ; HEAVY-METALS ; SOIL ; REMOVAL ; CADMIUM ; COPPER ; ADSORPTION ; WATER ; ZN
语种: 英语
项目资助者: National Natural Science Foundation of China(41422111) ; State Key Development Program for Basic Research of China(2015CB158200) ; Natural Science Foundation of Jiangsu Province China(BK20150066)
WOS记录号: WOS:000386241000027
ISSN号: 0960-8524
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/28602
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, 71 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
3.Charles Sturt Univ, Sch Biomed Sci, Boorooma St, Wagga Wagga, NSW 2678, Australia
4.Chinese Univ Hong Kong, Sch Life Sci, Shatin, Hong Kong, Peoples R China
5.Univ Chinese Acad Sci, Coll Resource & Environm, Beijing 100049, Peoples R China
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