{"title":"对二甲苯的热解机理","authors":"L.V. Shevel'kova , V.G. Sokolovskaya , L.Ye. Gusel'nikov , V.N. Guryshev","doi":"10.1016/0031-6458(89)90102-0","DOIUrl":null,"url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. The pyrolysis of <em>p</em>-xylene at temperatures of 830°–1000°C with different hydrocarbon partial pressures (argon/<em>p</em>-xylene=10 : 1, 20 : 1, 30 : 1) has been investigated.</p></span></li><li><span>2.</span><span><p>2. The suggested radical-chain mechanism of <em>p</em>-xylene pyrolysis at high temperatures has an initiation stage leading to the formation of a <em>p</em>-methylbenzyl radical.</p></span></li><li><span>3.</span><span><p>3. It is concluded that toluene is formed mainly by the hydrodealkylation of <em>p</em>-xylene under the given conditions.</p></span></li></ul></div>","PeriodicalId":19738,"journal":{"name":"Petroleum Chemistry U.s.s.r.","volume":"29 2","pages":"Pages 114-123"},"PeriodicalIF":0.0000,"publicationDate":"1989-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-6458(89)90102-0","citationCount":"3","resultStr":"{\"title\":\"Mechanism of pyrolysis of p-xylene\",\"authors\":\"L.V. Shevel'kova , V.G. Sokolovskaya , L.Ye. Gusel'nikov , V.N. Guryshev\",\"doi\":\"10.1016/0031-6458(89)90102-0\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p></p><ul><li><span>1.</span><span><p>1. The pyrolysis of <em>p</em>-xylene at temperatures of 830°–1000°C with different hydrocarbon partial pressures (argon/<em>p</em>-xylene=10 : 1, 20 : 1, 30 : 1) has been investigated.</p></span></li><li><span>2.</span><span><p>2. The suggested radical-chain mechanism of <em>p</em>-xylene pyrolysis at high temperatures has an initiation stage leading to the formation of a <em>p</em>-methylbenzyl radical.</p></span></li><li><span>3.</span><span><p>3. It is concluded that toluene is formed mainly by the hydrodealkylation of <em>p</em>-xylene under the given conditions.</p></span></li></ul></div>\",\"PeriodicalId\":19738,\"journal\":{\"name\":\"Petroleum Chemistry U.s.s.r.\",\"volume\":\"29 2\",\"pages\":\"Pages 114-123\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1989-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0031-6458(89)90102-0\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Petroleum Chemistry U.s.s.r.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0031645889901020\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Petroleum Chemistry U.s.s.r.","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0031645889901020","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
1. The pyrolysis of p-xylene at temperatures of 830°–1000°C with different hydrocarbon partial pressures (argon/p-xylene=10 : 1, 20 : 1, 30 : 1) has been investigated.
2.
2. The suggested radical-chain mechanism of p-xylene pyrolysis at high temperatures has an initiation stage leading to the formation of a p-methylbenzyl radical.
3.
3. It is concluded that toluene is formed mainly by the hydrodealkylation of p-xylene under the given conditions.
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