Biosorption of Chromium, Cadmium, and Cobalt from Aqueous Solution by Immobilized Living Cells of Chryseomonas luteola TEM 05

被引：5

作者：

Baysal, Senay Hamarat ^{[1
]}

Onal, Secil ^{[1
]}

Ozdemir, Gueven ^{[2
]}

机构：

[1] Ege Univ, Fac Sci, Dept Biochem, TR-35100 Bornova, Turkey

[2] Ege Univ, Fac Sci, Dept Biol, TR-35100 Bornova, Turkey

来源：

PREPARATIVE BIOCHEMISTRY & BIOTECHNOLOGY | 2009年 / 39卷 / 04期

关键词：

Biosorption; Carrageenan; Chitosan; Chryseomonas luteola; Heavy metal; WASTE-WATER; CU(II); REMOVAL; ALGINATE; KINETICS; COPPER;

D O I：

10.1080/10826060903209794

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

In this work, the potential use of the immobilized cells of Chryseomonas luteola TEM 05 for the removal of Cr+6, Cd+2 and Co+2 ions from aqueous solutions was investigated. The living cells of C. luteola TEM 05 were firstly entrapped both in carrageenan and chitosan coated carrageenan gels and then used in biosoption of the metal ions in batch reactors at pH 6.0, 25 degrees C, in 100mg L-1 of each metal solution. Besides this, a process of competitive biosorption of these metal ions was also described and compared to single metal ion adsorption in solution. According to the immobilization results, the replacement of KCl by KCl-chitosan as gelling agent improved the mechanical strength and thermal stability of the gel. In addition, the C. luteola TEM 05 immobilized carrageenan-chitosan gel system was quite more efficient for the fast adsorption of metal ions from aqueous solution than the carrageenan gels without biomass.

引用

页码：419 / 428

页数：10

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