IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
Biosorption of Cadmium(II)and Lead(II)from Aqueous Solutions by Fruiting Body Wastes of Fungus Flammulina velutipes
Language英语
Zhang Dan; Gao Tingyan; Ma Pei; He Haijiang
2006
Source PublicationInternational Symposium on Environmental Science and Technology ; PROGRESS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY, VOL II, PTS A AND B
Author of SourceChinese Soc Environm Sci ; Beijing Inst Technol ; Donghua Univ ; Key Lab Explos Sci & Technol
Pages263-268
meetingInternational Symposium on Environmental Science and Technology
Conference DateJUN 02-05, 2009-06-02~2009-06-05
Conference Place上海
Country中国
Publication PlaceBEIJING
PublisherSCIENCE PRESS BEIJING
Contribution Rank1
AbstractThe biosorption of Cd2+ and Pb2+ by fruiting body wastes of macro-fungi Flammulina velutipes was studied. The factors affecting absorption including pH initial metal concentration, biosorbent dosages and mutual competitive biosorption of both metal ions were focused. The sorption of Cd2+ and Pb2+ was increased with pH value from 2-6 and maximum biosorption was at pH6. The quantity of Cd2+ and Pb2+ adsorbed increased with the initial concentration metal ions and both metal removal gradually increased with biosorbent dosage. There existed mutual competitive biosorption between Cd2+ and Pb2+ when they were in the same solution. The Langmuir isotherm model fitted both metal ions sorption data well in the experiment and the calculated maximum sorption capacity of Cd2+ and Pb2+ by F. velutipes was 6.84 mg.g(-1)dry biomass with R-2 of 0.9775 and 13.61 mg.g(-1)dry biomass with R-2 of 0.9661, respectively. Pseudo-first order equation fitted for adsorption data of Cd2+ with R-2 of 0.9504, while pseudo-second order equation more fitted for adsorption data of Pb2+ with R-2 of 0.9917.
Keywordbiosorption  Cd(2+) and Pb(2+)  flammulina velutipes  Langmuir isotherm  pseudo-first order equation  pseudo-second order equation
ISBN978-7-03-024459-8
Indexed ByCPCI
WOS ID WOS:000271258000050
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Identifierhttp://ir.imde.ac.cn/handle/131551/25936
Collection成都山地所知识仓储(2009年以前)
Corresponding AuthorZhang Dan
AffiliationChinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Zhang Dan,Gao Tingyan,Ma Pei,et al. Biosorption of Cadmium(II)and Lead(II)from Aqueous Solutions by Fruiting Body Wastes of Fungus Flammulina velutipes[C]//Chinese Soc Environm Sci, Beijing Inst Technol, Donghua Univ, Key Lab Explos Sci & Technol. BEIJING:SCIENCE PRESS BEIJING,2006:263-268.
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