-
公开(公告)号:US3848014A
公开(公告)日:1974-11-12
申请号:US31650372
申请日:1972-12-19
发明人: UCHIYAMA M , MORI S
CPC分类号: B01J23/64 , B01J23/63 , B01J23/70 , C07C4/20 , C07C2523/10 , C07C2523/12 , C07C2523/22 , C07C2523/26 , C07C2523/46 , C07C2523/63 , C07C2523/72 , C07C2523/745 , C07C2523/755
摘要: 1. A PROCESS FOR CATALYTIC STEAM DEALKYLATION OF ALKYL AROMATIC HYDROCARBON WHICH COMPRISES CAUSING AN ALKYL AROMATIC HYDROCARBON TO CONTACT, IN THE PRESENCE OF STEAM, A CATALYST SUPPORTED BY A CARRIER, SAID CATALYST COMPRISING RHODIUM IN A QUANTITY OF FROM 0.05 TO 5.0 PERCENT BY WEIGHT WITH RESPECT TO THE CARRIER AND AT LEAST ONE OXIDE OF A GROUP IIIB METAL OF THE PERIODIC TABLE IN A QUANTITY OF FROM 0.05 TO 20 PERCENT BY WEIGHT WITH RESPECT TO THE CARRIER.
-
公开(公告)号:US3812196A
公开(公告)日:1974-05-21
申请号:US20264071
申请日:1971-11-26
发明人: UCHIYAMA M , KANEKO N
CPC分类号: C07C4/20 , B01J23/40 , B01J23/755 , B01J23/76 , B01J23/892 , C07C2523/02 , C07C2523/04 , C07C2523/06 , C07C2523/08 , C07C2523/10 , C07C2523/18 , C07C2523/30 , C07C2523/36 , C07C2523/44 , C07C2523/46 , C07C2523/745 , C07C2523/755 , C07C2527/057 , Y10S585/906
摘要: AN ALKYLAROMATIC HYDROCARBON IS DEALKYLATED BY CONTACTING IT, IN THE PRESENCE OF STEAM AND AT A TEMPERATURE RANGING FROM 350 TO 500* C., WITH A CATALYST COMPRISING NICKEL, AND AT LEAST ONE METAL SELECTED FROM PALLADIUM, IRON, IRIDIUM, RHODIUM, THALLIUM, CERIUM, SELENIUM, ANTIMONY, CADMIUM, TUNGSTEN, BARIUM, SODIUM, POTASSIUM, AND RHENIUM, SUPPORTED ON A CARRIER, PREFERABLY ALUMINA.
-