某涂布造纸厂废水处理及清洁生产

Xikai Fei, Yan-ling He, Xun'an Li, Cuiping Zhang, Qingyi Wang
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引用次数: 0

摘要

该厂产品涂布白纸,实行清洁生产,采用uasb -好氧生物处理系统对废水及污染物进行处理。虽然新排放标准较严格,但排放废水可以满足比国家标准3544-2008更严格的国家标准18918 1A级。整个处理系统将污染物减少到4.5%,排放水可以回用。活性污泥系统的DO维持在0.96 ~ 1.15mg·L-1的较低水平,HRT为11h,有利于降低能耗,说明活性污泥系统具有较强的节能能力。在采取节水措施后,产品耗水量仅为7-9 m3·t-1,远低于3544-2008国家标准要求的一半。
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Wastewater treatment and clean production in a coated paper mill
The plant products coated white paper with implementing clean production, which toke UASB-aerobic biological treatment system to treat the wastewater and pollutant. Although the new emission standard is deeply rigid, the emission wastewater could satisfy National standard 18918 Grade 1A which is more strictly than National standard 3544-2008. The whole treatment system reduced pollutants to 4.5% and the emission water could be reused. The activated sludge system is maintaining DO at a low level between 0.96 and 1.15mg·L-1,and HRT 11hrs,which helped to reduce power, and it explains that activated sludge system has great ability to save energy. When the plant toke measures to water-saving, the product consumed fresh water only 7-9 m3·t-1 much below the half of National standard 3544-2008 requirement.
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