裙带菜吸附重金属镍离子的研究  

INVESTIGATION OF NICKEL BIOSORPTION ON UNDARIA PINNATIFIDA

作　　者：冯咏梅[1] 王文华[1] 常秀莲[1] 刘雪梅[1] 

机构地区：[1]山东烟台大学化学生物理工学院,山东烟台264005

出　　处：《水处理技术》2004年第5期276-278,共3页Technology of Water Treatment

基　　金：山东省教育厅基金资助项目(J01C12)

摘　　要：采用多细胞藻类裙带菜对重金属镍离子进行吸附,研究溶液的pH值,初始Ni2+浓度,裙带菜的粒度、处理温度及不同生长时期等因素对Ni2+的吸附特性的影响。得到最佳pH值4-6及最大吸附量0.7591mmol/g,并用Langmuir和Freundlich方程对裙带菜的吸附等温线进行了拟合。Undaria pinnatifida as a biosorbent was investigated at different pH, initial nickel concentration, particle sizes, treated temperature and different period of growth. Nickel adsorption was strongly depent on pH and has a wide range of proper pH of 4-6. A maximum of nickel uptake was 0.7591mmol/g derived ,which ishigher than that of other algae reported in literatures .In addition,the adsorption process was fitted well with Freundlich and Langmuir equation.

关 键 词：重金属 镍离子 吸附量 NI^2+ pH值 藻类 吸附特性 裙带菜 生长时期 处理温度 

分 类 号：P634.43[天文地球—地质矿产勘探] X703[天文地球—地质学]