THE USE OF MICROSENSORS TO DETERMINE POPULATION-DISTRIBUTIONS IN UASB AGGREGATES

被引：20

作者：

LENS, P ^{[1
]}

DEBEER, D ^{[1
]}

CRONENBERG, C ^{[1
]}

OTTENGRAF, S ^{[1
]}

VERSTRAETE, W ^{[1
]}

机构：

[1] UNIV AMSTERDAM,CHEM TECHNOL LAB,1018 WV AMSTERDAM,NETHERLANDS

来源：

WATER SCIENCE AND TECHNOLOGY | 1995年 / 31卷 / 01期

关键词：

ACTIVITY DISTRIBUTION; BIOFILM STRUCTURE; GLUCOSE GRADIENT; PH MICROPROFILE; UASB AGGREGATE;

D O I：

10.1016/0273-1223(95)00174-L

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Glucose and pH microprofiles in UASB aggregates were interpreted with respect to the population distribution of fermentative and methanogenic bacteria. In order to map the activity distribution of these bacteria, microprofiles were measured with different substrates (glucose, propionate and acetate) and at varying buffer capacities of the medium. The measurements were compared to calculated microprofiles, in which the spatial location of the activities was varied. The results suggested an inhomogenic activity distribution in the aggregates investigated: fermentatives were located dominantly at the outer 200-300 mu m whereas methanogens were homogeneously distributed over the aggregate.

引用

页码：273 / 280

页数：8

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