Development of compact UASB/trickling filter systems for treating domestic wastewater in small communities in Brazil

被引：16
|
作者：
De Almeida, P. G. S. [1 ]
Chernicharo, C. A. L. [1 ]
Souza, C. L. [1 ]
机构：
[1] Univ Fed Minas Gerais, Dept Sanit & Environm Engn, Belo Horizonte, MG, Brazil
来源：
WATER SCIENCE AND TECHNOLOGY | 2009年 / 59卷 / 07期
关键词：
domestic wastewater; packing media; post-treatment; small communities; trickling filter; UASB reactor; UASB/TF system; UASB;
D O I：
10.2166/wst.2009.094
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The paper analyses the concept and performance of compact UASB/TF systems in relation to configuration, use of innovative packing media and operational conditions. For the conditions tested, the UASB/TF systems had consistently complied with the Brazilian discharge standard regarding to COD, BOD and TSS parameters. However, some enhancements are still necessary in order to increase nitrification in the process. The conditions to promote nitrification in shallow TF (packed bed up to 2.50m height) seem to be compatible with the proposed simplification in the flowsheet, which is to operate the system without secondary clarifiers.
引用
收藏
页码：1431 / 1439
页数：9
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