预臭氧+MBR+后臭氧工艺在焦化园区污水厂改造中的应用

李志雷, 刘宝富, 陈秀娟, 张德祥

Application of combined process pre ozone plus MBR and post ozone in sewage plant technical transformation project of coking park

Zhilei LI, Baofu LIU, Xiujuan CHEN, Dexiang ZHANG

表4 臭氧氧化中试试验

Table 4 Pilot test record of ozonation

中试日期 O3投加量/（mg·L-1） 停留时间/h 生化出水COD/（mg·L-1） 臭氧出水COD/（mg·L-1） COD去除率/% 2016-10-20 60 1.5 83 63.10 23.98 2016-10-20 60 2 83 61.55 25.84 2016-10-21 70 1.5 89 65.67 26.22 2016-10-21 70 2 89 64.00 28.09 2016-10-22 80 1.5 85 58.33 31.37 2016-10-22 80 2 85 56.43 33.61 2016-10-23 90 1.5 82 52.00 36.59 2016-10-23 90 2 82 49.10 40.12 2016-10-24 100 1.5 85 51.67 39.22 2016-10-24 100 2 85 49.29 42.02 2016-10-25 110 1.5 78 41.33 47.01 2016-10-25 110 2 78 38.71 50.37 2016-10-26 120 1.5 81 41.00 49.38 2016-10-26 120 2 81 38.14 52.91 2016-10-27 120 2.5 81 33.00 59.26 2016-10-28 120 2.5 80 32.10 59.88 2016-10-29 120 2.5 76 30.20 60.26 2016-10-30 120 2.5 87 39.31 54.82 2016-10-31 120 2.5 84 36.00 57.14 2016-11-1 120 2.5 79 31.54 60.08