均匀设计法在寻找汉氏菱形藻对钯吸附最佳条件中的应用

作     者：赵逸云 袁冬梅 王若南 鲍慈光 

作者机构：云南大学应用化学系昆明650091 云南大学生物学系昆明650091 

基　　金：云南省自然科学基金项目 ( 2 0 0 0B0 0 0 5M ) 

出 版 物：《应用化学》 (Chinese Journal of Applied Chemistry)

年 卷 期：2003年第20卷第11期

页      码：1105-1107页

摘      要：Studies on the adsorption of Pd 2+ ion by Nitzschia hantzschiana Rabh., a diatom were carried out. Uniform design was used to arrange the experiment. The growth period of diatom, adsorption time, concentration of Pd 2+ and pH were found to have positive effects on the adsorption amount of Pd 2+ on diatom. The optimum conditions are: the growth period of diatom 12 days, adsorption time=6 h, \=0.01 g/L and \ =0.16 mol/L. EPMA analysis showed that the diameter of the reduced adsorbed Pd was about 1 μm. A mathematical model was found to describe experimental data, that the adsorption fits to Freundlich equation, Q=70.2\ 0.76. The adsorption amount of Pd 2+ on diatom increased logarithmically with the increase of Pd 2+ concentration.

主 题 词：汉氏菱形藻 钯 吸附 均匀设计 

学科分类：0710[理学-生物科学类] 071001[071001] 081704[081704] 07[理学] 08[工学] 0817[工学-轻工类] 0703[理学-化学类] 070301[070301] 

核心收录：

D　O　I：10.3724/j.issn.1000-0518.2003.11.1105

馆 藏 号：203819640...