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《Journal of Anhui Normal University(Natural Science)》 2004-01
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BIOSORPTION OF SIX HEAVY METALS BY BIOMASS OF CYANOBACTERIUM SPIRULINA MAXIMA

LIU Hui-jun,GONG Ren-min,ZHANG Xiao-ping, LIU Bi-rong(College of Life Science, Anhui Normal University, Wuhu 241000, China)  
The biosorption of six heavy metals by biomass of cyanobacterium Spirulina maxima was studied. At the conditions of pH5.5, 2h contact time and 50mg/l heavy metal ion concentration, all six heavy metal ions were intensively adsorbed by biomass of Spirulina maxima. Among six heavy metals, the ability of the alga adsorbing Ag~+ was higher than the others, and the biosorption of Ni~(2+) was the lowest. The biosorption rates of Ag~+ and Ni~(2+) were 92.97% and 40.70%, respectively. The ability of the alga absorbing metals from high to low was Ag~+,Pb~(2+),Zn~(2+),Cu~(2+),Mn~(2+),Ni~(2+).
【Fund】: 安徽省科技厅《重要生物资源保护与利用研究》重点实验室专项基金项目;; 安徽省师范大学专项基金(143-150044)资助项目.
【CateGory Index】: X173
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