摘要：
采用微电解工艺处理印染废水生化出水膜浓缩液，考察了微电解填料、pH、固液体积比、曝气量和反应时间对COD去除率的影响。结果表明，采用自制的T-20多元微电解填料，当进水pH为4.0，固液体积比为1：6，曝气量为1.2 L/min，反应时间为60 min时，COD去除率可达80.38%。T-20微电解填料具有多元微电解体系结构，内部孔隙发达，相比于二元微电解填料，能加速微电解反应电子传递速度，促进膜浓缩液中有机物的降解。
关键词:
微电解填料,
印染废水,
膜浓缩液
Abstract:
The micro-electrolysis process was used to treat membrane concentrate from biochemical effluent of printing and dyeing wastewater. The effects of micro-electrolytic fillers, pH, solid-liquid volume ratio, aeration rate and reaction time on COD removal rate were investigated, respectively. The results showed that when the influent pH was 4.0, the solid-liquid volume ratio was 1:6, the aeration rate was 1.2 L/min, and the reaction time was 60 min, the COD removal rate reached 80.38% by using the homemade T-20 micro-electrolysis filler. The analysis showed that the T-20 micro-electrolysis filler had a multi-element micro-electrolysis system structure and high porosity. Compared with the binary micro-electrolysis filler, it could accelerate the electron transfer speed of micro-electrolytic reaction and promote the degradation of organics in the membrane concentrate.
Key words:
micro-electrolytic filler,
printing and dyeing wastewater,
membrane concentrate
中图分类号:
周伟,王长智,钱璨,梅荣武,任旭锋,蔡妙珍. 印染废水膜浓缩液微电解处理工艺研究[J]. 工业水处理, 2020, 40(6): 40-43, 47.
Wei Zhou,Changzhi Wang,Can Qian,Rongwu Mei,Xufeng Ren,Miaozhen Cai. Study on micro-electrolytic treatment of membrane concentrate of printing and dyeing wastewater[J]. Industrial Water Treatment, 2020, 40(6): 40-43, 47.