天津工业大学学报2025，Vol.44Issue(5)：36-42,51,8.DOI:10.3969/j.issn.1671-024x.2025.05.006
基于炭膜阴极的电芬顿系统对于甲基橙的降解
Degradation of methyl orange by electro-Fenton system based on carbon membrane cathode
摘要
Abstract
In order to improve the treatment efficiency of simulated wastewater containing methyl orange by electro-Fenton,a conductive carbon membrane was used as the flow-through cathode for the electrochemical reactor.The effects of permeate flux of carbon membrane,initial pH value,current density,and Fe2+concentration on the degra-dation of methyl orange were investigated,and the influence mechanism of the permeate flux on the operating performance of electro-Fenton system was discussed.The results indicated that under the conditions of a perme-ate flux of 100 L/(m2·h)(LMH),an initial pH value of 3,a current intensity of 40 mA,and a Fe2+molar con-centration of 0.2 mmol/L,the removals of methyl orange and total organic carbon after 80 minutes of reaction reached 95%and 66%,respectively.Increasing the permeate flux could significantly promote the degradation of methyl orange.When the permeate flux was 100 LMH,the first-order kinetics coefficient was 3 times higher than that without filtration.The filtration could reduce the diffusion resistance in the solution and the internal resis-tance of the electrode by accelerating mass transfer and increasing the active area of the electrode,thus improv-ing the current efficiency.Therefore,the cathode produced H2O2 and reduced Fe3+more effectively,which pro-moted the Fenton reaction and enhanced the methyl orange degradation.关键词
炭膜/电芬顿/氧还原/染料降解Key words
carbon membrane/electro-Fenton/oxygen reduction/degradation of dye分类
化学工程引用本文复制引用
赵斌,蔡行知,杨鑫,王亮..基于炭膜阴极的电芬顿系统对于甲基橙的降解[J].天津工业大学学报,2025,44(5):36-42,51,8.基金项目
河北省自然科学基金重点项目(B2023110025) （B2023110025）
沧州市重点研发计划指导项目(222109009) （222109009）
沧州市天津工业大学研究院产业化项目(TGCYY-Z-0101) （TGCYY-Z-0101）
