Fabrication of the TiO_(2)/Ti_(3)C_(2) loaded ceramic membrane targeting for photocatalytic degradation of PPCPs:ciprofloxacin,tetracycline,and ibuprofen  

作　　者：Taisheng Zhao Xiaoman Liu Lankun Huai Rui Feng Tao Yan Weiying Xu Yanxia Zhao 

机构地区：[1]School of Water Conservancy and Environment,University of Jinan,Jinan 250022,China

出　　处：《Frontiers of Environmental Science & Engineering》2024年第10期75-88,共14页环境科学与工程前沿（英文）

基　　金：supported by the grants from the Taishan Scholars Young Experts Program(China)(No.tsqn202103080);the Shandong Province Higher Educational Youth Innovation Science and Technology Program(China)(No.2021KJ043);the National Natural Science Foundation of China(No.51978311).

摘　　要：Photocatalytic membranes offer an effective strategy to overcome the difficulties of solid-liquid separation and secondary contamination of powdered photocatalysts.MXene is a 2D material of layered Ti_(3)C_(2),which is considered to limit electron-hole separation and contribute to photocatalysis.In this work,the etched Ti_(3)C_(2) MXene was loaded on the surface of ceramic membranes using polydopamine(PDA)as a binder,followed by one-step calcination to produce TiO_(2) nanoparticles(NPs)in situ.The characterizations supported that the TiO_(2)/Ti_(3)C_(2) ceramic membranes had high mechanical strength while retaining the layered structure of Ti_(3)C_(2),which was conducive to the inhibition of electron and hole complexation,improving the photocatalytic performance.Degradation experiments revealed that the material showed enhanced degradation of pharmaceuticals and personal care products(PPCPs)such as ciprofloxacin(CIP),tetracycline(TCN)and ibuprofen(IBP).The LC-MS and toxicity prediction models indicated that the developmental toxicity of CIP degradation products decreased with prolonged photocatalytic reaction,exhibiting no acute toxicity to fish.The MT650 exhibited significantly enhanced water flux properties(320 L/(m^(2)·h).The TiO_(2)/Ti_(3)C_(2) ceramic membranes explored in this work are expected to target the treatment of PPCPs with excellent engineering promise.

关 键 词：MXene TiO_(2) Photocatalytic degradation Ceramic membrane Pharmaceutical and personal care products(PPCPs) 

分 类 号：X703[环境科学与工程—环境工程]