Sludge reduction and nutrient removal from an anaerobic/anoxic/oxic(A2/O) process coupled with a modified oxic-settling-anaerobic process

被引：2
|
作者：
Sun, Lianpeng [1 ,2 ]
Wang, Yushan [1 ]
Xu, Wenli [1 ]
Lin, Yuji [1 ]
Lin, Meishan [3 ]
Luo, Wangxing [1 ]
Shi, Chenyi [1 ]
机构：
[1] Sun Yat Sen Univ, Sch Environm Sci & Engn, Guangzhou 510275, Guangdong, Peoples R China
[2] Sun Yat Sen Univ, Guangdong Prov Key Lab Environm Pollut Control &, Guangzhou 510275, Guangdong, Peoples R China
[3] Foshan Water Grp, Foshan 528000, Peoples R China
来源：
DESALINATION AND WATER TREATMENT | 2018年 / 105卷
关键词：
Anaerobic; A2/O-MOSA process; Sludge reduction; Sludge; Municipal sewage; WASTE-WATER TREATMENT; SIDE-STREAM REACTOR; EXCESS SLUDGE; ACTIVATED-SLUDGE; MEMBRANE BIOREACTOR; OSA PROCESS; PRETREATMENT; PHOSPHORUS; DISINTEGRATION; MICROBIOLOGY;
D O I：
10.5004/dwt.2018.22026
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
There is little research that focused on both nutrient removal and sludge reduction based on an anaerobic/anoxic/oxic(A2/O) process. In this study, two systems that consisted of an A2/O process combined with a modified oxic-settling-anaerobic (MOSA) reactor were run for 200 d at the lab-scale to evaluate their effect on sludge reduction and their influence on nutrients removal. The MOSA reactor was run a hydraulic retention time of 5 d and interchange rate of 10%. Our results showed that A2/O-MOSA system performed as well as an A2/O system for removing Chemical Oxygen Demand (COD), ammonia, total nitrogen, and total phosphorus. The A2/O-MOSA system removed an average of 92% of the influent COD, slightly higher than that in the A2/O (90%) system. As for sludge reduction efficiency, the A2/O-MOSA process achieved a sludge reduction of 24%and sludge decay contributed 58% to this sludge reduction.
引用
收藏
页码：144 / 151
页数：8
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