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解决方案&案例
永吉县经济开发区污水处理工程一期
项目背景
根据松花江及辽河流域水污染防治要求,永吉县经济开发区污水处理工程一期提质改造项目建设,出水水质由《城镇污水处理厂污染物排放标准》(GB18918-2002)一级B标准升级为一级A标准,出水排入五里河。
工程任务
在原有污水处理系统的基础上进行提标改造,出水水质由《城镇污水处理厂污染物排放标准》(GB18918-2002)一级B标准升级为一级A标准,同时保证冬季出水水质稳定达标。
解决方案
本项目采用工艺为原预处理系统→生物膜法A2/O工艺(在缺氧池、好氧池内添加填料)→原二沉池出水→混凝气浮→纤维转盘滤布滤池→次氯酸氯消毒→紫外消毒(预留设备安装位置)→计量槽计量排放至五里河 出水执行标准《城镇污水处理厂污染物排放标准》(GB18918-2002)一级A标准
取得成果
该项目克服北方冬季水温低、活性污泥处理效果差的难题,保证出水水质达标排放。本水厂的提标改造对当地水环境保护、人居环境质量的提升具有重要意义,对该县以工业、科技、商贸、旅游为一体的卫星城建设起到积极的推动作用。
其他项目案例