印染废水臭氧气浮与旁路膜协同再生工艺特性
肖乾,王锐,金鹏康,高博文,王自元,刘惠岳,杨梓君

Synergistic regeneration characteristics of printing and dyeing wastewater by ozone flotation and bypass membrane
Qian Xiao,Rui Wang,Pengkang Jin,Bowen Gao,Ziyuan Wang,Huiyue Liu,Zijun Yang
表1 多级臭氧气浮与旁路膜处理水质
指标 DOIF出水 RO出水 混合出水(50%) FZ/T 01107—2011 GB/T 19923—2005
COD/(mg·L-1 68.54~103.20 0.34~10 35.09~61.60 50
UV254/cm-1 0.786~1.355 0.019~0.142 0.321~0.668
电导率/(μS·cm-1 3 280~4 390 77~383 1 838~2 550 2 500
硬度/(mg·L-1 96.10~276.28 4.00~28.03 40.04~164.16 450
钙硬度/(mg·L-1 80.08~255.26 4.00~24.02 40.04~136.14
Fe/(mg·L-1 0.054~0.283 未检出 0~0.076 0.3
Na+/(mg·L-1 125.18~169.45 1.32~6.29 62.64~89.08
Cl-/(mg·L-1 178.94~439.86 0~18 93.97~229.93 250
SO42-/(mg·L-1 262.54~594.00 9.54~92.93 130.39~328.27 250