苏州城东污水处理厂升级改造工程设计及运行.pdf

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第 25 卷第 4 期污染防治技术 Vol. 25 No. 4
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2 0 1 2 年 8 月 POLLUTION CONTROL TECHNOLOGY Aug . 2 0 1 2
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苏州城东污水处理厂升级改造工程设计及运行
吴魏刚, 徐菲
( 苏州市排水有限公司,江苏苏州 215001)
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摘要苏州城东污水处理厂改造前采用初沉池+ 中心筒曝气池的二级处理工艺设计规模为 4 万 t /d。随着《城镇污
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水处理厂污染物排放标准》GB18918 - 2002 的实施城东污水处理厂出水已不能满足新标准一级 A 标准的要求故需对污
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水处理厂进行升级改造。在充分利用原有构筑物的基础上最终采用 A /A /O + 微滤池的工艺改造方案并增加生物土壤
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滤池和植物液除臭工艺。实际运行表明工程设计的工艺完全能使各项出水指标优于一级 A 标准且整个污水处理过程中
实现了无臭味、低噪音、低能耗。

关键词污水处理厂升级改造 A /A /O 工艺生物除臭
中图分类号 X505 文献标识码 A
Design and Operation of the Upgrading Project of the Municipal
Sewage Treatment Plant in East Suzhou
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WU Wei - gang XU Fei
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Suzhou Municipal Drainage Co. Ltd Suzhou Jiangsu 215001
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Abstract The primary settling tank + center tube aeration tank the secondary treatment process was used the design scale of
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40 000 tons / day in the municipal sewage treatment plant in east Suzhou east. With the implementation sewage treatment plant pol-
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lutant emission standards of GB18918 - 2002 the musicipal sewage treatment plant effluent cannot meet the requirements of the new
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standard A so there is a great need to upgrade the wastewater treatment plant. Based on the full use of existing structures the re-
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form scheme final A / A / O + micro - filter technology is used and the biological soil filter and plant l