Biosorption of heavy metal ions by immobilized Zoogloea and Zooglan

被引：8
|
作者：
Ahn, DH [1 ]
Chung, YC [1 ]
Pak, D [1 ]
机构：
[1] Korea Inst Sci & Technol, Environm Res Ctr, Seoul, South Korea
来源：
APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY | 1998年 / 73卷 / 01期
关键词：
immobilized Zoogloea and zooglan; heavy metal adsorption; regeneration of biomass; packed-bed column;
D O I：
10.1007/BF02788832
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Immobilized Zoogloea and zooglan in calcium alginate-silica matrix was shown to have a high adsorption capacity for Cu and Cd ions. Our results showed that Cu-ion uptake in the presence of Ca and Mg ions can be enhanced using immobilized Zoogloea and zooglan. Heavy metal ion adsorption efficiency decreased in the following order: Cu>Cd>Zn>Cr. The adsorbed metal ions were desorbed completely using sulfuric acid. Immobilized Zoogloea and zooglan which was repetitively regenerated adsorbed heavy metal ions without a loss of adsorption capacity.
引用
收藏
页码：43 / 50
页数：8
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