基于固定相二氧化钛薄膜的新型多重石英管分布式光催化反应器及其水处理应用

基于固定相二氧化钛薄膜的新型多重石英管分布式光催化反应器及其水处理应用Chin∞eJChemEng．，i1(1)27—32(2003)ANovelMulti—TubePhotoreactorwithUVLightandImmobilizedTi02ThinFilmforWaterTreatment+破0JqXIEYibing(谢一兵)”，SHENXunwei(沈迅伟)andYUANChunwei(袁春伟)Nat|o嗨【LaboratorvofMolecul矗f＆BfomolecularElectronics，SoutheastUniversity,Nanjing210096，ChinaAbstractArove|multi-tubephotoreactorwith00188n13validreactionvolumewasconstructedinpilot‘scaleThi5rectangul8rreaet⋯onsistedof13regularlydistributedsilicaglasstubescoatingwithTi02thinfilmphoto-cat8lyst．TbtaLactireareaofTi02thinfilmis03916m2．Theratioofsurfaceareatovolumeachieves208mPhotocatalyticexperimentofphenolreddemonstratesthattheapparentreactionrateconstant(蜘is007465h叫and016502h—lforreactionsystemwithandwithoutmicrc-bubblosmixingThecorrespondingapparentquantumemcicncy(卓＆)is8．1771X1079J一1and49036×10—79J一1，respectively．CODvalueofreactantcoulddecreaseto17mgL～1andhighperformanceliquidchromatography(HPLC)onlyshowstwoabsorptionpeaksin24hpho-tocataiyticprocesstime．sothisphotoreactorhasgoodphotomine