| 1. | 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 of aerations . the removal ratios of cod 、 ss 、 bod5and chromaticity were increased by 19 . 7 % 、 14 . 5 % 、 9 . 3 % and 18 . 6 % respectively , which reached the national discharge standards
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。 |
