公开(公告)号：MY138534A

公开(公告)日：2009-06-30

申请号：MYPI20014350

申请日：2001-09-17

Applicant: UNION CARBIDE CHEM PLASTIC

Inventor： CANTRELL RICK DAVID ,  GENCHIU ANCA ,  CAMPBELL KENNETH DWIGHT ,  MINAHAN DAVID MICHAEL ANTHONY ,  BHASIN MADAN MOHAN ,  WESTWOOD ALISTAIR DUNCAN ,  NIELSEN KENNETH ANDREW

IPC: B01J23/10 ,  B01J27/232 ,  B01J27/236 ,  B01J27/25 ,  B01J37/14 ,  C01F17/00 ,  C07B61/00 ,  C07C2/84 ,  C07C5/48 ,  C07C9/06 ,  C07C9/08 ,  C07C11/04

Abstract: THE PRESENT INVENTION PROVIDES A CATALYST FOR THE OXIDATIVE DEHYDROGENATION OF A LOWER HYDROCARBON TO FORM AT LEAST ONE HIGHER HYDROCARBON AND/OR LOWER OLEFIN. IN ONE EMBODIMENT, THE CATALYST INCLUDES A NONSTOICHIOMETRIC RARE EARTH OXYCARBONATE OF THE FORMULA MX CY OZ HAVING A DISORDERED AND/OR DEFECT STRUCTURE, WHEREIN M IS AT LEAST ONE RARE EARTH ELEMENT SELECTED FROM THE GROUP CONSISTING OF LA, PR, ND SM,EU,GD,TB,DY,HO,ER,AND TM; X=2; Z=3+AY; A IS LESS THAN ABOUT 1.8, AND Y IS THE NUMBER OF CARBON ATOMS IN THE OXYCARBONATE. WHEN USED FOR THE OXIDATIVE DEHYDROGENATION OF ALOWER HYDROCARBON AT APRESSURE ABOVE ABOUT 100 PSING, THE CATALYST HAS A SELECTIVITY OF TA LEAST ABOUT 40 PERCENT TO AT LEAST ONE HIGHER HYDROCARBON AND/OR LOWER OLEFIN. METHODS FOR PREPARING CATALYSTS TAUGHT BY THE INVENTION AND PROCESSES FOR USING THA CATALYSTS FOR THE OXIDATIVE DEHYDROGENATION OF LOWER HYDROCARBONS ARE ALSO PROVIDED.