{"title":"制备参数对Mn-Ce/TiO 2 催化剂脱硝性能的影响","authors":"马腾坤, 房晶瑞, 孟刘邦, 汪澜","doi":"10.13198/J.ISSN.1001-6929.2017.01.38","DOIUrl":null,"url":null,"abstract":"以锐钛矿型TiO 2 为载体,采用分步共混法制备了Mn-Ce/TiO 2 催化剂,通过考察不同活性组分前驱体、焙烧温度以及活性组分负载量对催化剂样品脱硝性能的影响,以确定最佳制备参数;结合XRD(X射线衍射)、XPS(X射线光电子能谱分析)、BET比表积等表征手段研究制备参数对催化剂性能的影响.结果表明:无定型态MnO 2 含量越多,越有利于提高催化剂的脱硝活性;催化剂样品表面原子浓度比Mn/Ti[或(Mn+Ce)/Ti]越高,催化剂表面有效活性组分越多,催化剂脱硝活性越好.以自制Mn盐(MX)为前驱体,在Mn-Ce活性组分负载量为16%时,经500℃焙烧的催化剂样品脱硝活性最高;反应空速为10000 h -1 ,反应温度为80℃时,其脱硝效率可达80%,150℃时脱硝效效率可达99%.","PeriodicalId":21108,"journal":{"name":"环境科学研究","volume":"30 1","pages":"484-490"},"PeriodicalIF":0.0000,"publicationDate":"2017-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"制备参数对Mn-Ce/TiO 2 催化剂脱硝性能的影响\",\"authors\":\"马腾坤, 房晶瑞, 孟刘邦, 汪澜\",\"doi\":\"10.13198/J.ISSN.1001-6929.2017.01.38\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"以锐钛矿型TiO 2 为载体,采用分步共混法制备了Mn-Ce/TiO 2 催化剂,通过考察不同活性组分前驱体、焙烧温度以及活性组分负载量对催化剂样品脱硝性能的影响,以确定最佳制备参数;结合XRD(X射线衍射)、XPS(X射线光电子能谱分析)、BET比表积等表征手段研究制备参数对催化剂性能的影响.结果表明:无定型态MnO 2 含量越多,越有利于提高催化剂的脱硝活性;催化剂样品表面原子浓度比Mn/Ti[或(Mn+Ce)/Ti]越高,催化剂表面有效活性组分越多,催化剂脱硝活性越好.以自制Mn盐(MX)为前驱体,在Mn-Ce活性组分负载量为16%时,经500℃焙烧的催化剂样品脱硝活性最高;反应空速为10000 h -1 ,反应温度为80℃时,其脱硝效率可达80%,150℃时脱硝效效率可达99%.\",\"PeriodicalId\":21108,\"journal\":{\"name\":\"环境科学研究\",\"volume\":\"30 1\",\"pages\":\"484-490\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-03-25\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"环境科学研究\",\"FirstCategoryId\":\"1087\",\"ListUrlMain\":\"https://doi.org/10.13198/J.ISSN.1001-6929.2017.01.38\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"Environmental Science\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"环境科学研究","FirstCategoryId":"1087","ListUrlMain":"https://doi.org/10.13198/J.ISSN.1001-6929.2017.01.38","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"Environmental Science","Score":null,"Total":0}
引用次数: 0