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。
The microelectrolysis process was used to treat membrane concentrate from biochemical effluent of printing and dyeing wastewater.The effects of microelectrolytic fillers,pH,solidliquid 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 solidliquid 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 microelectrolysis filler.The analysis showed that the T-20 microelectrolysis filler had a multielement microelectrolysis system structure and high porosity.Compared with the binary microelectrolysis filler,it could accelerate the electron transfer speed of microelectrolytic reaction and promote the degradation of organics in the membrane concentrate.
作者
周伟
王长智
钱璨
梅荣武
任旭锋
蔡妙珍
Zhou Wei;Wang Changzhi;Qian Can;Mei Rongwu;Ren Xufeng;Cai Miaozhen(Environmental Science Research and Design Institute of Zhejiang Province,Hangzhou 310007,China;College of Geography and Environmental Sciences,Zhejiang Normal University,Jinhua 321004,China)
出处
《工业水处理》
CAS
CSCD
北大核心
2020年第6期40-43,47,共5页
Industrial Water Treatment
基金
水体污染控制与治理科技重大专项(2017ZX07206-002-02
2018ZX07208-009-06)。
关键词
微电解填料
印染废水
膜浓缩液
micro-electrolytic filler
printing and dyeing wastewater
membrane concentrate
作者简介
周伟(1994-),硕士。电话:18892681977,E-mail:18892681977@163.com;通讯作者:王长智,电话:0571-87961025,E-mail:wczhit@126.com。
