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学科主题: Microbiology
题名: Biosorption of Copper by Cyanobacterial Bloom-Derived Biomass Harvested from the Eutrophic Lake Dianchi in China
作者: Wang, Kan1, 2; Liu, Yongding1; Li, Dunhai1
通讯作者: Li, DH, Chinese Acad Sci, Inst Hydrobiol, 7 S Donghu Rd, Wuhan 430072, Hubei Province, Peoples R China
关键词: IMMOBILIZED MICROCYSTIS
刊名: CURRENT MICROBIOLOGY
发表日期: 2010-10-01
DOI: 10.1007/s00284-010-9617-2
卷: 61, 期:4, 页:340-345
收录类别: SCI
文章类型: Article
部门归属: [Wang, Kan; Liu, Yongding; Li, Dunhai] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei Province, Peoples R China; [Wang, Kan] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: State Key Basic Research and Development Plan of China [2008CB418002]; Water Body Pollution Control and Remediation [2008ZX07103-004-01, 2008ZX07104-005-3]
类目[WOS]: Microbiology
研究领域[WOS]: Microbiology
摘要: Biomass of cyanobacterial bloom from Lake Dianchi was used as a biosorbent for copper removal from aqueous solution. The maximum capacity was found at conditions of pH 4, initial concentration of copper was 10 mg/l and initial dose of biomass was 1.0 g/l. HNO3 demonstrated the highest desorption efficiency compared with HCl, EDTA, and citric acid. Physical adsorption was assumed not to be the dominant mechanism of biosorption as revealed by scanning electron microscopy and surface area measurement of the biomass. Infrared ray spectra analysis of the biomass suggested that ion-exchange is the principal mechanism for biosorption. Considering the advantages-low cost, easy to collect, and huge in quantity-the Microcystis bloom biomass could be used as a sorbent for copper and other heavy metals removal.
英文摘要: Biomass of cyanobacterial bloom from Lake Dianchi was used as a biosorbent for copper removal from aqueous solution. The maximum capacity was found at conditions of pH 4, initial concentration of copper was 10 mg/l and initial dose of biomass was 1.0 g/l. HNO3 demonstrated the highest desorption efficiency compared with HCl, EDTA, and citric acid. Physical adsorption was assumed not to be the dominant mechanism of biosorption as revealed by scanning electron microscopy and surface area measurement of the biomass. Infrared ray spectra analysis of the biomass suggested that ion-exchange is the principal mechanism for biosorption. Considering the advantages-low cost, easy to collect, and huge in quantity-the Microcystis bloom biomass could be used as a sorbent for copper and other heavy metals removal.
关键词[WOS]: IMMOBILIZED MICROCYSTIS ; CYANOSPIRA-CAPSULATA ; AQUEOUS-SOLUTIONS ; ALGAL BIOMASS ; EQUILIBRIUM ; REMOVAL ; OPTIMIZATION ; DESORPTION ; ADSORPTION ; METALS
语种: 英语
WOS记录号: WOS:000281978900017
ISSN号: 0343-8651
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/13679
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 Hydrobiol, Wuhan 430072, Hubei Province, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Wang, Kan; Liu, Yongding; Li, Dunhai.Biosorption of Copper by Cyanobacterial Bloom-Derived Biomass Harvested from the Eutrophic Lake Dianchi in China,CURRENT MICROBIOLOGY,2010,61(4):340-345
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文件名: Biosorption of Copper by Cyanobacterial Bloom-Derived Biomass Harvested from the Eutrophic Lake Dianchi in China.pdf
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