Evaluation of the Combined Cr(VI) Removal Capacity of Sawdust and Sawdust-Immobilized Acinetobacter haemolyticus Supplied with Brown Sugar

被引：0

作者：

Ahmad, Wan Azlina ^{[1
]}

Zakaria, Zainul Akmar ^{[1
]}

Razali, Firdausi ^{[2
]}

Samin, Jefri ^{[3
]}

机构：

[1] Univ Teknol Malaysia, Dept Chem, Fac Sci, Skudai 81310, Johor, Malaysia

[2] Univ Teknol Malaysia, Dept Bioproc Engn, Fac Chem Engn & Nat Resources Engn, Skudai 81310, Johor, Malaysia

[3] Univ Teknol Malaysia, Mat Sci Lab, Dept Mat Engn, Fac Mech Engn, Skudai 81310, Johor, Malaysia

来源：

WATER AIR AND SOIL POLLUTION | 2009年 / 204卷 / 1-4期

关键词：

Acinetobacter; Chromium; Removal; Sugar; Immobilized; Sawdust; HEXAVALENT CHROMIUM REDUCTION; ACTIVATED CARBONS; AQUEOUS-SOLUTION; WASTE-WATER; ADSORPTION; DETOXIFICATION; ADSORBENTS; BACTERIA; CR(III); BIOMASS;

D O I：

10.1007/s11270-009-0037-5

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The purpose of this study is to evaluate the combined Cr(VI) removal capacities of nonliving (untreated rubber wood sawdust, URWS) and living biomass (URWS-immobilized Acinetobacter haemolyticus) in a continuous laboratory scale downward-flow two column system. Synthetic solutions of Cr(VI) between 237 and 320 mg L-1 were mixed with 1 g L-1 brown sugar in a nonsterile condition. Final Cr(VI) of between 0 and 1.6 mg L-1 indicate a Cr(VI) removal capacity of 99.8-100%. The bacterial Cr(VI) reduction capacity increased with column length. This study shows the feasibility of using the two column system consisting of living (bacteria) and nonliving biomass (URWS) as a useful alternative treatment for Cr(VI) contamination in the aqueous system.

引用

页码：195 / 203

页数：9