某污水处理厂改良型A2/O工艺外加碳源的利用性研究
Chemical Enterprise Management（2018）
Abstract
以某污水厂改良型A2/O工艺进行生产性脱氮试验,通过对碳源投加量、投加点进行研究,结合DO、内回流比等进行汇总分析.数据表明:在进水COD:215-346mg/L,TN:42.6-51.5mg/L,NH3-N: 32.87-40.46mg/L,TP:3.78-5.64mg/L时,通过将内回流点提前至厌氧池前端,每万吨水投加25%液体乙酸钠1.25吨时,可使其出水TN达到城镇污水处理厂污染物排放标准(GB18918-2002)一级A标准,且总体出水水质相对稳定.
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