ROLE OF FILTER MEDIA IN AN ANAEROBIC FIXED-BED REACTOR

被引：0

作者：

MIYAHARA, T ^{[1
]}

TAKANO, M ^{[1
]}

NOIKE, T ^{[1
]}

机构：

[1] KAJIMA CORP, MINATO KU, TOKYO 107, JAPAN

来源：

WATER SCIENCE AND TECHNOLOGY | 1995年 / 31卷 / 09期

关键词：

ACIDOGENIC BACTERIA; ANAEROBIC DIGESTION; FILTER; FIXED-BED REACTOR; HYDRAULIC RETENTION TIME; METHANOGENIC BACTERIA; SUBSTRATE CONCENTRATION;

D O I：

10.2166/wst.1995.0353

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The relationship between the filter media and the behaviour of anaerobic bacteria was studied using anaerobic fixed-bed reactors. At an HRT of 48 hours, the number of suspended acidogenic bacteria was higher than those attached to the filter media. On the other hand, the number of attached methanogenic bacteria was more than ten times as higher than that of suspended ones. The numbers of suspended and deposited acidogenic and methanogenic and methanogenic bacteria in the reactor operated at an HRT of 3 hours were almost the same as those in the reactor operated at an HRT of 48 hours. Accumulation of attached bacteria was promoted by decreasing the HRT of the reactor. The number of acidogenic bacteria in the reactor packed sparsely with the filter media was higher than that in the closely packed reactor was lower than that in the closely packed reactor.

引用

页码：137 / 144

页数：8

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