污泥微膨胀技术在低负荷生活污水处理中的应用

陈建; 周谐; 李萍; 黄伟; 龚玲; 刁香维

doi:10.3969/j.issn.1674-991X.2018.02.020

污泥微膨胀技术在低负荷生活污水处理中的应用

doi: 10.3969/j.issn.1674-991X.2018.02.020

陈建¹,
周谐^1,*, ,,
李萍¹,
黄伟¹,
龚玲¹,
刁香维²

^1. 重庆市生态环境监测中心,重庆 401147
^2. 重庆市江津区生态环境监测站,重庆 402260

详细信息

作者简介:
陈建(1977—),男,硕士,研究方向为水处理控制技术,289031899@qq.com

通讯作者:
周谐 E-mail: 9577586@qq.com

中图分类号: X703
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- 被引次数: 0
出版历程
- 收稿日期: 2017-06-21
- 刊出日期: 2018-03-20

Application of sludge micro bulking technology in low-load domestic sewage treatment

^1. Ecological and Environmental Monitoring Center of Chongqing, Chongqing 401147, China
^2. Ecological and Environmental Monitoring Station of Jiangjin District, Chongqing 402260, China

More Information

Corresponding author: Xie ZHOU E-mail: 9577586@qq.com

摘要

摘要: 通过对重庆市某镇级污水处理厂研究发现,该污水处理厂污泥体积指数(SVI)为262~380 mL/g,处于污泥膨胀状态。低DO浓度及低污泥负荷是导致该厂处于污泥膨胀的主要原因。活性污泥处于一定程度的微膨胀状态,能够保证COD_Cr、NH₃-N、悬浮物固体(SS)、TP浓度等各项出水指标稳定排放,有利于污水处理厂节能降耗。
- 低负荷 /
- 污泥微膨胀 /
- 控制 /
- 应用
Abstract: A town sewage treatment plant in Chongqing was studied, and it was found that the sewage treatment plant sludge index (SVI) was between 262-380 mL/g and at the sludge bulking state. Low dissolved oxygen and low sludge load were the main reasons of sludge bulking in the sewage treatment plant. Micro bulking of activated sludge in a certain extent could not only guarantee the stable discharge of COD_Cr, ammonia nitrogen, SS, TP and other indicators in the effluent, but also be conducive to the energy saving of the sewage treatment plant.
- low load /
- micro bulking of sludge /
- control /
- application

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参考文献(23)

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