预处理的铜绿假单胞菌对Cu^(2+)的生物吸附研究  

Biosorption of Cupric Ion by Pre-treated Dacterium of Pseudomonas Aeruginosa

作　　者：董新姣[1] 陈文海[2] 

机构地区：[1]温州师范学院生物与环境科学系,温州325003 [2]温州师范学院数学系,温州325003

出　　处：《重庆环境科学》2002年第6期44-46,共3页Chongqing Environmental Science

基　　金：浙江省教育厅基金项目 (2 0 0 1 0 1 2 4 );温州市科技计划项目(S2 0 0 0 A31 )

摘　　要：从电镀废水污泥中分离、纯化获一高抗铜菌株 ,经鉴定为铜绿假单胞菌 ( Pseudomonas aeruginosa)。采用不同浓度盐酸对铜绿假单胞菌进行预处理 ,同时考察了不同因素如溶液的 p H、温度、摇床转速、接触反应时间对未处理菌和预处理菌的影响。结果表明 :经 0 .1NHCl预处理的菌体具有最佳吸附效果。 p H、摇床转速对菌体的吸附具有较显著影响 。A strain of anti-cupric bacterium identified Pseudomonas aeruginosa was screened from electroplating sludge.The bacterium was pretreated with various concentration of hydrochloric acid.Then,the factors affecting the adsorption ability of the bacterium and pre-treated bacterium on Cu 2+,such as initial pH,temperature,speed of shaker-bed and the contacting time of the mycelium pellets and Cu 2+ were studied.The results showed that the pre-treated biomass with 0.1N HCl had the maximum adsorption capacity.The initial pH of the solution and speed of shaker-bed could affect the uptake of Cu 2+ significantly,however temperature had little effect.

关 键 词：铜绿假单胞菌 生物吸附 铜离子 重金属 废水处理 

分 类 号：X703[环境科学与工程—环境工程] X172