PARA-XYLENE PRODUCTION PROCESS EMPLOYING IN-SITU CATALYST SELECTIVATION
摘要
A catalytic process for the selective production of para-xylene comprises the step of reacting an aromatic hydrocarbon selected from the group consisting of toluene, benzene and mixtures thereof with a feed comprising carbon monoxide and hydrogen in the presence of a selectivated catalyst. The process includes a catalyst selectivation phase and a para-xylene production phase. In the catalyst selectivation phase, the aromatic hydrocarbon and the feed are contacted with the catalyst under a first set of conditions effective to increase the para-selectivity of said catalyst. In the para-xylene production phase, the aromatic hydrocarbon and said feed are contacted with the catalyst under a second set of conditions different from the first set of conditions effective to selectively produce para-xylene.
申请公布号
WO2004043593(A1)
申请公布日期
2004.05.27
申请号
WO2003US32858
申请日期
2003.10.17
申请人
EXXONMOBIL CHEMICAL PATENTS INC.;OU, JOHN, D., Y.;HONG, ZONGXUAN;TAN, SONGSHENG;MCMINN, TIMOTHY, E.
发明人
OU, JOHN, D., Y.;HONG, ZONGXUAN;TAN, SONGSHENG;MCMINN, TIMOTHY, E.