On-site evaluation of the performance of a full-scale down-flow hanging sponge reactor as a post-treatment process of an up-flow anaerobic sludge blanket reactor for treating sewage in India

被引：43
作者：
Okubo, Tsutomu [1 ]
Onodera, Takashi [2 ]
Uemura, Shigeki [1 ]
Yamaguchi, Takashi [3 ]
Ohashi, Akiyoshi [4 ]
Harada, Hideki [5 ]
机构：
[1] Kisarazu Coll, Dept Civil & Environm Engn, Natl Inst Technol, Kisarazu, Chiba 2920041, Japan
[2] Natl Inst Environm Studies, Ctr Reg Environm Res, Tsukuba, Ibaraki 3058506, Japan
[3] Nagaoka Univ Technol, Dept Environm Syst Engn, Nagaoka, Niigata 9402188, Japan
[4] Hiroshima Univ, Dept Social & Environm Engn, Hiroshima 7398527, Japan
[5] Tohoku Univ, New Ind Creat Hatchery Ctr, Aoba Ku, Sendai, Miyagi 9808579, Japan
来源：
BIORESOURCE TECHNOLOGY | 2015年 / 194卷
基金：
日本学术振兴会;
关键词：
Municipal sewage treatment; Developing countries; Up-flow anaerobic sludge blanket (UASB); Down-flow hanging sponge (DHS); Organic removal; MUNICIPAL WASTE-WATER; DOMESTIC SEWAGE; UASB REACTOR; TREATMENT SYSTEM; FILTER SYSTEM; DHS REACTOR; TECHNOLOGY; REMOVAL;
D O I：
10.1016/j.biortech.2015.07.015
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
A down-flow hanging sponge (DHS) reactor is a novel, unaerated, aerobic, biofilm reactor that is used to polish effluent received from an up-flow anaerobic sludge blanket (UASB) reactor for treating municipal sewage. A full-scale DHS reactor was constructed for post-treatment of a full-scale UASB reactor at a municipal sewage treatment plant in India. Performance of the DHS reactor was evaluated with respect to organic removal over 1800 days of continuous operation. The UASB + DHS system consistently produced effluent with chemical oxygen demand (COD), biochemical oxygen demand (BOD), and suspended solids (SS) values of 37, 6.0 and 19 mg L (1), on average, respectively. The sludge yield of the DHS reactor was estimated to be 0.04 kg SS kg (1) COD removed or 0.12 kg SS kg (1) BOD removed, which is considerably lower than other aerobic treatment methods that have been employed for polishing UASB effluent. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：156 / 164
页数：9
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