一体化批序式沉淀A~2/O工艺在污水处理的应用
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摘要
介绍了采用一体化批序式沉淀A~2/O工艺的广东省某污水处理厂,设计规模为3 000 m~3/d。叙述了该工艺的流程、原理、特点、设计参数和主要设备。6个月试运行结果表明,NH_4~+-N、TN、TP的去除率分别为88%、77%、82%,出水水质达到GB 18918-2002的一级A标准。污水处理厂投资786.94万元,占地面积为1 560 m~2,单位占地面积0.52 m~2/(m~3·d),单位运行费用为0.484元/t。一体化批序式沉淀A2/O工艺具有占地面积少、投资运行费用低等特点,可为城镇污水处理的设计提供借鉴。
A sewage treatment plant in Guangdong Province using integrated batch sedimentation A~2/O process was introduced, with a design scale of 3 000 m~3/d. The process, principle, characteristics, design parameters and main equipment of the process were described. The results of 6-month trial operation showed that the removal rates of NH_3-N, TN and TP were 88%, 77% and 82% respectively, and the effluent quality reached the first class A standard of GB18918-2002. The sewage plant invested 7 786 400 yuan, covering an area of 1,560 m~2, with a unit area of 0.52 m~2/(m~3·d) and a unit operating cost of 0.484 yuan/t. The integrated batch sedimentation A~2/O process has the characteristics of small area and low investment and operation cost, which can provide reference for the design of municipal sewage treatment.
A sewage treatment plant in Guangdong Province using integrated batch sedimentation A~2/O process was introduced, with a design scale of 3 000 m~3/d. The process, principle, characteristics, design parameters and main equipment of the process were described. The results of 6-month trial operation showed that the removal rates of NH_3-N, TN and TP were 88%, 77% and 82% respectively, and the effluent quality reached the first class A standard of GB18918-2002. The sewage plant invested 7 786 400 yuan, covering an area of 1,560 m~2, with a unit area of 0.52 m~2/(m~3·d) and a unit operating cost of 0.484 yuan/t. The integrated batch sedimentation A~2/O process has the characteristics of small area and low investment and operation cost, which can provide reference for the design of municipal sewage treatment.
引文
[1]孙芮,汤新宝,陈季华.小城镇污水处理厂升级改造技术分析[J].环境科学与管理,2009,34(2):133-136.
[2]魏亮,陈滢,刘敏等.城镇污水处理厂的综合绩效评价[J].环境工程学报,2016,10(1):490-494.
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[5]宋应民.一种序批式生化污水处理装置及其沉淀排水的方法:CN201410554867.1[P].2017-09-12.
[6]宋应民.一种批序式污水反应器:CN201320412776.5[P].2014-01-22.
[7]宋应民.一种无停修方形滤布滤池设备:CN201310277248.8[P].2015-09-09.
[8]孙孝龙,蒋文举,张进,等.改良A2/O工艺预缺氧池中的脱氮作用和机理[T].环境科学与技术,2009,32(12):138-141.
[9]王娟婷,于衍真.城市污水脱氮除磷技术研究进展[J].中国资源综合利用,2014(7):28-31.
[2]魏亮,陈滢,刘敏等.城镇污水处理厂的综合绩效评价[J].环境工程学报,2016,10(1):490-494.
[3]宋国君,韩冬梅.中国城市生活污水管理绩效评估研究[J].中国软科学,2012(8):75-83.
[4]城镇污水处理厂污染物排放标准:GB 18918-2002[S].
[5]宋应民.一种序批式生化污水处理装置及其沉淀排水的方法:CN201410554867.1[P].2017-09-12.
[6]宋应民.一种批序式污水反应器:CN201320412776.5[P].2014-01-22.
[7]宋应民.一种无停修方形滤布滤池设备:CN201310277248.8[P].2015-09-09.
[8]孙孝龙,蒋文举,张进,等.改良A2/O工艺预缺氧池中的脱氮作用和机理[T].环境科学与技术,2009,32(12):138-141.
[9]王娟婷,于衍真.城市污水脱氮除磷技术研究进展[J].中国资源综合利用,2014(7):28-31.