ANAEROBIC REMOVAL OF CHLORATE FROM BLEACH EFFLUENTS

被引：14

作者：

MALMQVIST, A ^{[1
]}

WELANDER, T ^{[1
]}

机构：

[1] UNIV LUND,S-22100 LUND,SWEDEN

来源：

WATER SCIENCE AND TECHNOLOGY | 1992年 / 25卷 / 07期

关键词：

CHLORATE; ANAEROBIC TREATMENT; BLEACH EFFLUENT;

D O I：

10.2166/wst.1992.0155

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Anaerobic biological removal of chlorate was studied on a laboratory and pilot plant scale. Continuous laboratory tests in an anaerobic fixed-film process showed that chlorate can be removed completely from kraft bleach effluent at such a short hydraulic retention time as 0.6 h. The efficiency of biological chlorate removal was confirmed under practical conditions in a 20 m3 pilot plant, operating at a Swedish craft mill. Four chlorate reducing bacterial strains were isolated and characterized. All four isolates were gram-negative, catalase- and oxidase-positive, motile rods. None of the four isolates could ferment glucose, while they could all grow aerobically and with nitrate as electron acceptor.

引用

页码：237 / 242

页数：6

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