NITROGEN-FIXING HETEROTROPHIC BACTERIA AND PRESUMPTIVE COLIFORMS IN SEWAGE-TREATMENT PLANTS AND IRRIGATION RESERVOIRS IN LIBYA

被引：1

作者：

BETAIEB, M ^{[1
]}

JONES, K ^{[1
]}

机构：

[1] UNIV LANCASTER,INST ENVIRONM & BIOL SCI,DIV BIOL SCI,LANCASTER LA1 4YQ,ENGLAND

来源：

LETTERS IN APPLIED MICROBIOLOGY | 1992年 / 15卷 / 01期

关键词：

D O I：

10.1111/j.1472-765X.1992.tb00717.x

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Monitoring of heterotrophic nitrogen-fixing bacteria and presumptive coliforms in two Libyan sewage treatment plants showed that tertiary treatment of effluents by chlorination killed these bacteria. However, the irrigation reservoirs which received the treated effluent contained large numbers of both types of bacteria. As the proportion of nitrogen-fixers to presumptive coliforms was much less in the sewage than in the irrigation reservoirs it is probable that the irrigation water became contaminated by a source other than sewage.

引用

页码：32 / 33

页数：2

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