以下为句子列表：
英文: A traditional printing and dyeing wastewater treatment process was improved.Added the Fe-C tank and coagulation tank,the aeration tank was changed into a contact oxidation tank,in which the diffent function of micro-bacteria was formed along the vertical
中文: 根据某厂印染废水的特点,在原有处理工艺的基础上进行了改造,在池内形成了合理的微生物分布,大大改善了出水水质,使COD、SS、BOD5和色度的去除率分别提高了17.1%、14.4%、9.2%、19.5%,达到了废水排放标准的要求。
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