ANAEROBIC TREATMENT OF ORGANIC WASTES WITH LOW CONCENTRATION OF SOLIDS

被引：7

作者：

De Luna, Maria L. D. ^{[1
]}

Leite, Valderi D.

Lopes, Wilton S.

De Sousa, Jose T.

Silva, Salomao A. ^{[1
,2
]}

机构：

[1] Univ Fed Campina Grande, Dept Civil Engn, Campina Grande, Brazil

[2] Univ Leeds Inglaterra, Leeds, W Yorkshire, England

来源：

ENGENHARIA AGRICOLA | 2009年 / 29卷 / 01期

关键词：

compartmented anaerobic reactor; biogas; organic solid waste; CO-DIGESTION; PERFORMANCE; FRACTION;

D O I：

10.1590/S0100-69162009000100012

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The object of this study was to evaluate the use of a compartmented anaerobic reactor to treat organic solid waste with low concentration of solids. The reactor with a total capacity of 2.200 liters, divided into 6 equal chambers, was operated at a solid retention time of 90 days. The organic solids used to feed the reactor were comprised by vegetable residues and sanitary sludge in the proportion 80% and 20% respectively. The mixture of these two types of residues after the humidity correction to 95% ( percentage by weight) was used to feed the reactor. The removal efficiency of carbonaceous material was approximately 80% at an organic loading of 9.3 kg residual organic solids m(-3) d(-1). The rate of biogas production was 5.6 L kg(substrate)(-1) ( wet weight) with a methane concentration of 50% by volume.

引用

页码：113 / 121

页数：9

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