{"title":"二氧化钛/竹炭复合材料的吸附-光催化降解苯酚的动力学研究","authors":"程大莉, 蒋身学, 张齐生","doi":"10.11833/J.ISSN.2095-0756.2010.02.007","DOIUrl":null,"url":null,"abstract":"以竹炭作为纳米二氧化钛(TiO2)粒子的载体物质,制备了二氧化钛/竹炭复合材料,并以苯酚为模型物质,对其光催化性能进行了研究。研究表明,此复合材料对苯酚具有较强的吸附性能,其中吸附平衡常数Ka为0.007 7 Lmg-1,Ka与苯酶吸咐平衡质量浓度e的乘积为0.25 ~ 1.35,二氧化钛/竹炭复合体的吸附作用不能忽略。根据L-H(Langmuir-Hinshelwood)方程积分所得分数级动力学方程较一级动力学方程能更好地描述其光催化降解规律,相应的光催化降解动力学方程为ln - 0.007 7 = 6.58 - 0.002 39t(为苯酚质量浓度,t为光照时间)。图6参14","PeriodicalId":17498,"journal":{"name":"Journal of the Zhejiang Forestry College","volume":"43 3","pages":"205-209"},"PeriodicalIF":0.0000,"publicationDate":"2010-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the Zhejiang Forestry College","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.11833/J.ISSN.2095-0756.2010.02.007","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
二氧化钛/竹炭复合材料的吸附-光催化降解苯酚的动力学研究
以竹炭作为纳米二氧化钛(TiO2)粒子的载体物质,制备了二氧化钛/竹炭复合材料,并以苯酚为模型物质,对其光催化性能进行了研究。研究表明,此复合材料对苯酚具有较强的吸附性能,其中吸附平衡常数Ka为0.007 7 Lmg-1,Ka与苯酶吸咐平衡质量浓度e的乘积为0.25 ~ 1.35,二氧化钛/竹炭复合体的吸附作用不能忽略。根据L-H(Langmuir-Hinshelwood)方程积分所得分数级动力学方程较一级动力学方程能更好地描述其光催化降解规律,相应的光催化降解动力学方程为ln - 0.007 7 = 6.58 - 0.002 39t(为苯酚质量浓度,t为光照时间)。图6参14
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