文献类型：期刊文献

英文题名：ZnAl2O4/BiPO4 composites as a heterogeneous catalyst for photo-Fenton treatment of textile and pulping wastewater

作者：Tian, Qingwen[1,2,3,4,5] Ran, Miao[1,2,3,4] Fang, Guigan[1,2,3,4,5] Ding, Laibao[1,2,3,4] Pan, Aixiang[1,2,3,4] Shen, Kuizhong[1,2,3,4] Deng, Yongjun[1,2,3,4]

第一作者：Tian, Qingwen;田庆文

通信作者：Fang, GG[1];Ding, LB[1];Fang, GG[2];Ding, LB[2];Fang, GG[3];Ding, LB[3];Fang, GG[4];Ding, LB[4];Fang, GG[5]

机构：[1]Chinese Acad Forestry, Inst Chem Ind Forest Prod, Nanjing 210042, Peoples R China;[2]Key Lab Biomass Energy & Mat, Nanjing 210042, Jiangsu, Peoples R China;[3]Natl Forestry & Grassland Adm, Key Lab Chem Engn Forest Prod, Nanjing 210042, Peoples R China;[4]Natl Engn Lab Biomass Chem Utilizat, Nanjing 210042, Peoples R China;[5]Nanjing Forestry Univ, Collaborat Innovat Ctr High Efficient Proc & Util, Nanjing 210037, Peoples R China

年份：2020

卷号：239

外文期刊名：SEPARATION AND PURIFICATION TECHNOLOGY

收录：;WOS:【SCI-EXPANDED(收录号:WOS:000514748000040)】；

基金：This work was supported by Jiangsu Key Laboratory for Biomass Energy and Material (JSBEM-S-201809), the National Key Research and Development Program of China (2017YFD0601005).

语种：英文

外文关键词：ZnAl2O4/BiPO4; Heterojunction; Textile wastewater; Eucalyptus chemimechanical pulp wastewater; Photo-Fenton-like reaction

摘要：ZnAl2O4/BiPO4 heterostructures were successfully obtained via co-precipitation and hydrothermal method. The photocatalytic efficiency of ZnAl2O4/BiPO4 composites were improved and seriously influenced by the loading content of ZnAl2O4 under UV light. Photocatalytic tests showed that the kinetic constant of 1 wt% ZnAl2O4/BiPO4 composites for methylene blue degradation under UV irradiation were 0.959 h(-1), which is 2.47 and 18.10 times as large as that of pure ZnAl2O4 and BiPO4, respectively. The enhanced photocatalytic performance of ZnAl2O4/BiPO4 heterojunctions was ascribed to effective separation of photo-generated electron-hole pairs. The photogenerated holes (h(+)) and center dot OH were the primary reactive species in the MB degradation over ZnAl2O4/BiPO4 composites. Photo-Fenton-like reaction was initiated with H2O2 addition, which significantly improved the photocatalytic activity of ZnAl2O4/BiPO4. The CODCr and color removals of textile wastewater over ZnAl2O4/BiPO4/H2O2 under UV irradiation were 76.74% and 83.22%, and the CODCr and color removals of eucalyptus chemimechanical pulp wastewater (ECMPW) over ZnAl2O4/BiPO4/H2O2 under UV irradiation were 73.98% and 84.54%, respectively. This work provides a new insight for constructing efficient flexible heterogeneous photocatalysts for wastewater purification.