%0 Journal Article
%T H3PO4/MCM-41催化苯酚与叔丁醇气相烷基化反应
%A Mehran GHIACI
%A Behzad AGHABARARI
%J 催化学报
%P 759-764
%D 2010
%X ？ThecatalyticperformanceofAl-MCM-41containing5?5wt%H3PO4wasstudiedforthevaporphasealkylationofphenolwithtert-butylalcohol(TBA)from383to493K.4-Tert-butylphenolwasproducedasthemainproductwithmoderateselectivity.Theproductdistributiondependsonthereactiontemperature,numberofacidsites,andtheBr鰊stedtoLewissitesratios.Alowermolarratioofreactants(TBA/phenol=2)andahigherspacevelocityfacilitatedtheproductionof4-tert-butylphenol.Theinfluenceofvariousparameterssuchastemperature,reactantfeedmolarratio,feedrate,andtimeonstreamwereinvestigatedforconversionyieldandproductselectivity.
%K alkylation
%K tert-butylation
%K phenol
%K tert-butylalcohol
%K MCM-41
%U http://www.chxb.cn/CN/abstract/abstract17361.shtml