XYLENES ISOMERIZATION PROCESS AND CATALYST THEREFOR
摘要
The invention concerns a xylenes isomerization process for the production of equilibrium or near-equilibrium xylenes. The process utilizes a catalyst comprising HZSM-5 or MCM-49 and process conditions including a temperature of less than 295°C and a pressure sufficient to maintain the xylenes in liquid phase. In embodiments, the process can be operated in a continuous mode with ppm levels of dissolved H2 in the feed and in other embodiments in a cyclic mode without the H2 in feed but with periodic regenerations using a feed having low ppm levels of H2.
申请公布号
WO2011133326(A2)
申请公布日期
2011.10.27
申请号
WO2011US31445
申请日期
2011.04.06
申请人
EXXONMOBIL CHEMICAL PATENTS INC.;OU, JOHN, D., Y.;ROSS, APRIL, D.;LEVIN, DORON;KALYANARAMAN, MOHAN;LAI, WENYIH, F.
发明人
OU, JOHN, D., Y.;ROSS, APRIL, D.;LEVIN, DORON;KALYANARAMAN, MOHAN;LAI, WENYIH, F.