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氧化沟工艺是目前城市生活污水处理的主要工艺之一,利用改良过的DE氧化沟工艺处理汉中城市污水,出水达到了GB8978-1996污水综合排放标准的一级标准.本文介绍了该污水水质及处理标准、工艺流程的选择、主要构筑物和设备、运行状况及处理效果,以及工程运行后带来的社会环境效应. 相似文献
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为保护广州市北部水源,新华污水处理厂出水标准由满足《城镇污水处理厂污染物排放标准》(GB 18918-2002)的一级B标准提升为一级A要求,根据对污水处理厂的运行现状进行分析,找出影响改造的关键因素,并对比各种常用的改造工艺,探讨适宜新华污水处理厂的提标改造的工艺路线。 相似文献
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The City of White Rock purchased the water utility on October 30, 2015, from EPCOR Utilities Inc. The City of White Rock‘s water utility provides safe and clean drinking water to its residents. The drinking water is obtained from the Sunnyside Uplands Aquifer. To ensure water supplied is of the highest quality, the City collaborated with the RES‘EAU-WaterNET, to conduct research to evaluate and identify technologies that are capable of providing a significant reduction of arsenic and manganese, to improve water quality. The City submitted a grant application to the Clean Water and Wastewater Fund (CWWF) for the construction of a water treatment plant to reduce arsenic and manganese in drinking water. The Government of Canada and the Province of British Columbia provided funding from the Clean Water and Wastewater Fund (CWWF) to the City of White Rock for the “Arsenic and Manganese Water Treatment Project. The City awarded a contract for the Design Build for a Water Treatment Plant to provide a major reduction in arsenic and manganese in drinking water. The Design Build project utilized the scientific findings from the research conducted. The construction of the plant started in March 2018, and the project is expected to be completed by March 2019. 相似文献
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污水处理厂生物泡沫的预防和控制方法 总被引:3,自引:0,他引:3
对秦皇岛市第一污水处理厂改造后出现的两次生物泡沫现象进行了总结,并对产生泡沫的工艺运行参数和化验数据进行了分析,介绍了预防和消除生物泡沫的方法,为污水厂防止由于水质、水量以及温度变化而产生生物泡沫提供了参考。 相似文献
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研究了缺氧-MBR-混凝工艺处理旅游景区生活污水的应用效果。研究结果表明:COD、BOD5、NH3-N、TP的去除率均在85%以上,出水水质可稳定达到《城镇污水处理厂污染物排放标准》(GB 18918—2002)一级A标准排放限值。部分出水经氯片消毒后回用于绿化浇灌和景观用水,以替代新鲜自来水。 相似文献
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阐述了南闸综合污水处理厂废水处理工艺的改良过程,经厌氧+缺氧/好氧+絮凝沉淀+转盘滤池工艺改良后,不仅使出水水质稳定,而且达到了《城镇污水处理厂污染物排放标准》GB18918-2002的一级A标准. 相似文献