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[1]白玉华,张欣宇,黄政鑫,等.AAOA-MBR强化脱氮工艺用于内江市某污水厂提标改造[J].中国给水排水,2020,36(24):87-91.
　BAI Yu-hua,ZHANG Xin-yu,HUANG Zheng-xin,et al.AAOA-MBR Enhanced Denitrification Process for Upgrading and Reconstruction of a Wastewater Treatment Plant in Neijiang[J].China Water & Wastewater,2020,36(24):87-91.

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AAOA-MBR强化脱氮工艺用于内江市某污水厂提标改造

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第36卷期数: 2020年第24期页码: 87-91 栏目: 出版日期: 2020-12-17

Title:: AAOA-MBR Enhanced Denitrification Process for Upgrading and Reconstruction of a Wastewater Treatment Plant in Neijiang

作者:: 白玉华¹，张欣宇²，黄政鑫³，刘百仓⁴，陈艾²，朱芳琳¹; (1.成都大学基建处，四川成都610106；2.中国市政工程西南设计研究总院有限公司，四川成都610081；3.内江市污水处理有限责任公司，四川内江641000；4.四川大学建筑与环境学院，四川成都610065)

Author(s):: BAI Yu-hua¹,ZHANG Xin-yu²,HUANG Zheng-xin³,LIU Bai-cang⁴,CHEN Ai²,ZHU Fang-lin¹; (1. Infrastructure Construction Department, Chengdu University, Chengdu 610106， China; 2. Southwest Municipal Engineering Design & Research Institute of China， Chengdu 610081， China; 3. Neijiang City Sewage Treatment Co. Ltd., Neijiang 641000， China; 4. College of Architecture & Environment, Sichuan University, Chengdu 610065， China)

关键词:: 污水处理厂; 提标改造; AAOA-MBR工艺

Keywords:: wastewater treatment plant; upgrading and reconstruction; AAOA-MBR process

摘要:: 四川省内江市某污水厂总处理规模为1.8×10⁴ m³/d，一期工程处理规模为0.9×10⁴ m³/d，原采用AAO-MBR为主体的污水处理工艺，出水水质执行《城镇污水处理厂污染物排放标准》（GB 18918—2002）一级A标准。提标改造工程处理规模不变，出水水质要达到《四川省岷江、沱江流域水污染物排放标准》(DB 51/2311—2016)中城镇污水处理厂排放标准。总氮下降至10 mg/L是关键技术难点，为此，采用AAOA-MBR强化脱氮工艺，主要通过改造AAO生物池扩大缺氧区容积、新增碳源投加系统、新增精确曝气系统等措施，实现了在不新增土地、不停产情况下总氮的有效去除。工程建成投运以来，运行状况良好，出水水质稳定达到设计标准。

Abstract:: The total treatment capacity of a wastewater treatment plant in Neijiang City, Sichuan Province is 1.8×10⁴ m³/d, and the treatment capacity of the first phase project is 0.9×10⁴ m³/d. The AAO-MBR was used as the original wastewater treatment process, and the effluent quality implemented the first class A standard of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002). The treatment capacity of the upgrading project remains as same as the original project, and the effluent quality should meet the discharge standard of the municipal wastewater treatment plant in the Discharge Standard of Water Pollutants in Minjiang and Tuojiang River Basins of Sichuan Province (DB 51/2311-2016). The reduction of total nitrogen to 10 mg/L was the key technical difficulty. Therefore, the AAOA-MBR enhanced denitrification process was adopted to achieve the effective removal of total nitrogen without adding land or stopping production, mainly through the transformation of the AAO biological unit to expand the volume of the anoxic zone, addition of new carbon source dosing system, and adoption of new precise aeration system. Since the project was completed and put into operation, it has been in good operating condition, and the effluent quality has reached the design standard.

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更新日期/Last Update: 2020-12-17