{"title":"苯胺在二氧化硅和K10蒙脱土上的n -烷基化反应:氧化物浸渍的影响","authors":"Sankarasubbier Narayanan, Kiranmayi Deshpande","doi":"10.1016/S0927-6513(97)00029-1","DOIUrl":null,"url":null,"abstract":"<div><p>10 wt.% vanadia, zirconia and chromia impregnated silica and montmorillonite K10 catalysts have been prepared. They were characterised by surface area measurements, XRD and ESR. Acidity was determined by stepwise ammonia desorption at three temperature ranges (<em>A</em>= 353–423 K, <em>B</em>=423–573 K, <em>C</em>=573–723 K). Aniline alkylation was carried out at 673 K, 12 cm<sup>3</sup> h<sup>−1</sup> g<sup>−1</sup> (feed rate) and atmospheric pressure. The catalytic conversion is explained on the basis of acidity differences.</p></div>","PeriodicalId":100926,"journal":{"name":"Microporous Materials","volume":"11 1","pages":"Pages 77-82"},"PeriodicalIF":0.0000,"publicationDate":"1997-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0927-6513(97)00029-1","citationCount":"7","resultStr":"{\"title\":\"N-Alkylation of aniline over silica and montmorillonite K10: the influence of oxide impregnation\",\"authors\":\"Sankarasubbier Narayanan, Kiranmayi Deshpande\",\"doi\":\"10.1016/S0927-6513(97)00029-1\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>10 wt.% vanadia, zirconia and chromia impregnated silica and montmorillonite K10 catalysts have been prepared. They were characterised by surface area measurements, XRD and ESR. Acidity was determined by stepwise ammonia desorption at three temperature ranges (<em>A</em>= 353–423 K, <em>B</em>=423–573 K, <em>C</em>=573–723 K). Aniline alkylation was carried out at 673 K, 12 cm<sup>3</sup> h<sup>−1</sup> g<sup>−1</sup> (feed rate) and atmospheric pressure. The catalytic conversion is explained on the basis of acidity differences.</p></div>\",\"PeriodicalId\":100926,\"journal\":{\"name\":\"Microporous Materials\",\"volume\":\"11 1\",\"pages\":\"Pages 77-82\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1997-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/S0927-6513(97)00029-1\",\"citationCount\":\"7\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Microporous Materials\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0927651397000291\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Microporous Materials","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0927651397000291","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
N-Alkylation of aniline over silica and montmorillonite K10: the influence of oxide impregnation
10 wt.% vanadia, zirconia and chromia impregnated silica and montmorillonite K10 catalysts have been prepared. They were characterised by surface area measurements, XRD and ESR. Acidity was determined by stepwise ammonia desorption at three temperature ranges (A= 353–423 K, B=423–573 K, C=573–723 K). Aniline alkylation was carried out at 673 K, 12 cm3 h−1 g−1 (feed rate) and atmospheric pressure. The catalytic conversion is explained on the basis of acidity differences.
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