印染废水处理工艺流程.docx
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1、印染废水处理工艺流程 摘要:采纳“混凝+ABR+活性污泥+机械过滤”处理某毛纺厂的印染废水,出水COD在50mg/L以下,色度低于10倍,优于城镇污水处理厂污染物排放标准(GB18918-2002)一级A标准,同时出水回用于大中色降温及大色染色工段,回用率60%以上,与改造前比,运行费用降低一半。 关键词:印染废水 ;回用;一级A ;排河 Abstract: Treating the printing and dyeing wastewater of A woolen mill with the coagulation +activated sludge +ABR+ mechanical fi
2、ltration , the effluent COD is under 50mg/L, the chromaticity is less than 10 times, it is better than the urban sewage treatment plant pollutant discharge standard ( GB18918-2002) the level of A standard, at the same time ,the cooling water back is used in major cooling and large color dyeing proce
3、ss, the back rate is more than 60%, and compared with the transformation before, the operating cost is reduced to half. Key words: printing and dyeing wastewater; reuse; level A; Pai River 中图分类号:X505文献标识码:A 文章编号:2095-2104(2022) Abstract:The combined process of coagulating sedimentation, ABR, activat
4、ed sludge and mechanical filtration is used to treat Hebei a woolen mill wastewater to achieve that the COD is below 50mg/L and color degree is low 10 times, which are better than the Standard A of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB18918-2002). In addition,
5、 the output water is reused for water production plants, and the level of wastewater reuse is more than 90%, the operation cost has been reduced by half after the improvement. Key words:woolen mill wastewater,reused,Standard A, discharge into River 前言 印染行业是高耗水行业,据不完全统计,截止2022年,国内印染行业每天排水量约450-500万吨,
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- 印染 废水处理 工艺流程
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