Biosorption of Cd2+ from aqueous solution by a NaOH-treated bacterial dead Streptomyces rimosus biomass

被引：143

作者：

Selatnia, A ^{[1
]}

Bakhti, MZ ^{[1
]}

Madani, A ^{[1
]}

Kertous, L ^{[1
]}

Mansouri, Y ^{[1
]}

机构：

[1] Ecole Natl Polytech Alger, Dept Genie Chim, Algiers, Algeria

来源：

HYDROMETALLURGY | 2004年 / 75卷 / 1-4期

关键词：

cadmium; Streptomyces rimosus; biosorption; waste-water treatment; batch processing;

D O I：

10.1016/j.hydromet.2004.06.005

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The cadmium biosorption capacity of a Streptomyces rimosus biomass treated with NaOH (0.1 M) was studied in the batch mode. After pretreatment of biomass at the ambient temperature, optimum conditions of biosorption were found to be: a biomass particle size between 50 and 160 mum, an average saturation contact time of 1 h, a biomass concentration and a stirring speed in the range of 2.5-3 g L-1 and 200-250 rpm, respectively. The external mass transfer was found to be the controlling step in the overall sorption process. The equilibrium data could be fitted by Langmuir isotherm equation. Under these optimal conditions, a biosorption capacity of 63.3 mg Cd2+/g biomass was obtained. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：11 / 24

页数：14

共 57 条

[1] Equilibrium and kinetic modelling of cadmium(II) biosorption by C-vulgaris in a batch system:: effect of temperature [J].

Aksu, Z .

SEPARATION AND PURIFICATION TECHNOLOGY, 2001, 21 (03) :285-294

[2]

[Anonymous], MICROBES EXTREME ENV

[3]

[Anonymous], BIOHYDROMETAL TECHNO

[4] Entrapment of white-rot fungus Trametes versicolor in Ca-alginate beads:: preparation and biosorption kinetic analysis for cadmium removal from an aqueous solution [J].

Arica, MY ;

Kaçar, Y ;

Genç, Ö .

BIORESOURCE TECHNOLOGY, 2001, 80 (02) :121-129

[5]

Atkinson BW, 1998, WATER SA, V24, P129

[6] METAL-ION BINDING TO HUMIC SUBSTANCES - APPLICATION OF THE NONIDEAL COMPETITIVE ADSORPTION MODEL [J].

BENEDETTI, MF ;

MILNE, CJ ;

KINNIBURGH, DG ;

VANRIEMSDIJK, WH ;

KOOPAL, LK .

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 1995, 29 (02) :446-457

[7]

BOWER VE, 1963, HDB ANAL CHEM

[8] BIOREMEDIATION OF METAL-CONTAMINATED SURFACE AND GROUNDWATERS [J].

BRIERLEY, CL .

GEOMICROBIOLOGY JOURNAL, 1990, 8 (3-4) :201-223

[9] ROLE OF BACTERIAL EXTRACELLULAR POLYMERS IN METAL UPTAKE IN PURE BACTERIAL CULTURE AND ACTIVATED-SLUDGE .1. EFFECTS OF METAL CONCENTRATION [J].

BROWN, MJ ;

LESTER, JN .

WATER RESEARCH, 1982, 16 (11) :1539-1548

[10] Alginate properties and heavy metal biosorption by marine algae [J].

Fourest, E ;

Volesky, B .

APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY, 1997, 67 (03) :215-226

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