Evaluating the resilience of a full-scale down-flow hanging sponge reactor to shock-loadings

被引：3
|
作者：
Onodera, Takashi [1 ]
Okubo, Tsutomu [2 ]
Takayama, Daisuke [3 ]
Syutsubo, Kazuaki [1 ]
Yamaguchi, Takashi [3 ]
Uemura, Shigeki [2 ]
Ohashi, Akiyoshi [4 ]
Harada, Hideki [5 ]
机构：
[1] Natl Inst Environm Studies, Reg Environm Conservat Div, 16-2 Onogawa, Tsukuba, Ibaraki 3058506, Japan
[2] Kisarazu Coll, Natl Inst Technol, Dept Civil & Environm Engn, 2-11-1 Kiyomidaihigashi, Kisarazu, Chiba 2920041, Japan
[3] Nagaoka Univ Technol, Dept Civil & Environm Engn, 1603-1 Kamitomioka, Nagaoka, Niigata 9402188, Japan
[4] Hiroshima Univ, Dept Social & Environm Engn, 1-4-1 Kagamiyama Higashi, Hiroshima 7398527, Japan
[5] Tohoku Univ, New Ind Creat Hatchery Ctr, Aoba Ku, 6-6-04 Aza Aoba, Sendai, Miyagi 9808579, Japan
来源：
WATER PRACTICE AND TECHNOLOGY | 2022年 / 17卷 / 01期
关键词：
developing countries; down-flow hanging sponge (DHS); sewage treatment; shock-loading; UASB post-treatment; SEWAGE-TREATMENT SYSTEM; MUNICIPAL WASTE-WATER; UASB REACTOR; DHS REACTOR; PERFORMANCE EVALUATION; SLUDGE; POSTTREATMENT; COMBINATION; BANGKOK; CUBES;
D O I：
10.2166/wpt.2021.118
中图分类号：
TV21 [水资源调查与水利规划];
学科分类号：
081501 ;
摘要：
The effect of shock-loading on the performance of a full-scale down-flow hanging sponge (DHS), used to treat effluent from an up-flow anaerobic sludge blanket treating municipal sewage, was evaluated. This full-scale DHS reactor comprises a polyurethane sponge that retains the sludge. It has a capacity of 500 m(3)/day and, at the time of this study, had been operating at a sewage treatment plant in India for more than 1,300 days. The DHS reactor was exposed to shock-loadings of organics at double the normal rate for 400 min under summer and winter conditions. The results showed that the DHS reactor maintained stable operation under the organic shock-loading and that it returned to a steady state soon after restart, confirming that the reactor was resilient to organic shock-loadings.
引用
收藏
页码：223 / 233
页数：11
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