%0 Journal Article %T Tert-butylation of p-cresol catalyzed by Al-MCM-41 mesoporous molecular sieves
Al-MCM-41介孔分子筛催化对甲酚叔丁基化反应的研究 %A YU Xin-yu %A LIU Cai-hua %A CHENG Wen-ping %A YANG Jian-guo %A HE Ming-yuan %A
于心玉 %A 刘彩华 %A 程文萍 %A 杨建国 %A 何鸣元 %J 燃料化学学报 %D 2006 %I %X Mesoporous molecular sieves Al-MCM-41 with n(SiO_2)/n(Al_2O_3) ratio being 20,50 and 100 were prepared.As proved by X-ray diffraction(XRD) patterns and the N_2 physical sorption,the as-synthesized Al-MCM-41 exhibited typical hexagonal structure,large surface areas and narrow pore distribution.The performance of HAl-MCM-41 as catalyst for tert-butylation of p-cresol with methyl tert-butyl-ether(MTBE) was then investigated.The effects of temperature,weight hourly space velocity(WHSV) and the feed ratio n(MTBE)/n(p-cresol) on p-cresol conversion and product selectivity were examined.The results showed that mesoporous HAl-MCM-41 molecular sieves(n(SiO_2)/n(Al_2O_3) = 20) is an efficient catalyst with high activity,selectivity and stability for the synthesis of 2-tert-butyl-p-cresol from p-cresol and MTBE by tert-butylation. %K mesoporous HAl-MCM-41 molecular sieves %K p-cresol %K methyl tert-butyl-ether %K 2-tert-butyl-p-cresol %K catalysis
HAl-MCM-4介孔分子筛 %K 对甲酚 %K 甲基叔丁基醚 %K 2-叔丁基对甲酚 %K 催化 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=6579068328FE643F&jid=C6AB115B41BD2F1616ECDB095B69B8ED&aid=CCC57D80F690D9A9&yid=37904DC365DD7266&vid=339D79302DF62549&iid=B31275AF3241DB2D&sid=A8E9231F98774741&eid=8D71AF42ACD39979&journal_id=0253-2409&journal_name=燃料化学学报&referenced_num=2&reference_num=11