公开(公告)号：JPH11169715A

公开(公告)日：1999-06-29

申请号：JP24879898

申请日：1998-09-02

Applicant: STANDARD OIL CO OHIO

Inventor： SURESH DEV DHANARAJ ,  CHRISTOS PAPARIZOS ,  SEELY MICHAEL J ,  FRIEDRICH MARIA STRADA ,  DRENSKI TAMA LEE

IPC: B01J23/00 ,  B01J23/31 ,  B01J23/76 ,  B01J23/84 ,  B01J23/843 ,  B01J23/88 ,  B01J23/887 ,  B01J23/89 ,  B01J27/192 ,  B01J27/199 ,  B01J37/00 ,  B01J37/08 ,  C01C3/02 ,  C01G53/00 ,  C07B61/00 ,  C07C253/18 ,  C07C253/24 ,  C07C253/26 ,  C07C255/08

Abstract: PROBLEM TO BE SOLVED: To obtain a new ammoxidation catalyst which increases yield of hydrogen cyanide by-product formed during preparation of acrylonitrile while acrylonitrile formation level is kept at substantially the same level. SOLUTION: A catalyst compsn. contg. a compound body of catalyst oxide of iron, bismuth, molybdenum and calcium and characterized by the formula Aa Bb Cc Dd Fee Bif Mo12 Ox (wherein A is at least one of Li, Na, K, Rb and Cs or a mixture thereof; B is at least one of Mg, Mn, Ni, Co, Ag, Pb, Re, Cd and Zn or a mixture thereof; C is at least one of Ce, Cr, Al, Sb, P, Ge, La, Sn, V and W or a mixture thereof; D is at least one of Ca, Sr, Ba or a mixture thereof; and a=0.01-1.0; b and e=1.0-10; c, d and f=0.1-5.0 and x is determined by conditions of atomic values of other existing elements), is provided.

公开(公告)号：JPH11235526A

公开(公告)日：1999-08-31

申请号：JP34746498

申请日：1998-12-07

Applicant: STANDARD OIL CO OHIO

Inventor： SURESH DEV DHANARAJ ,  SEELY MICHAEL J ,  CHRISTOS PAPARIZOS ,  DRENSKI TAMA LEE ,  FRIEDRICH MARIA STRADA

IPC: B01J23/28 ,  B01J23/30 ,  B01J23/34 ,  B01J23/64 ,  B01J23/88 ,  B01J23/92 ,  B01J27/057 ,  B01J27/192 ,  B01J38/00 ,  B01J38/68 ,  B01J20/34 ,  B01J23/04 ,  B01J23/90

Abstract: PROBLEM TO BE SOLVED: To provide a novel process for regenerating an ammonium oxidation catalyst containing molybdenum. SOLUTION: A process for regenerating the ammonium oxidation catalyst containing molybdenum as an active component comprises the step of restoring loss of molybdenum during use of the catalyst in an ammonium oxidation reaction for production of acrylonitrile by treating the catalyst, and selecting ammonium dimolybdate as a feed source of the molybdenum added to the original catalyst for restoring the loss of molybdenum as an improved point.

公开(公告)号：RO111162B1

公开(公告)日：1996-07-30

申请号：RO920775

申请日：1992-06-09

Applicant: STANDARD OIL CO OHIO

Inventor： CHRISTOS PAPARIZOS ,  WILFRID GARSIDE SHAW

IPC: B01J23/00 ,  B01J23/16 ,  C07C253/18 ,  C07C255/08

公开(公告)号：RO111163B1

公开(公告)日：1996-07-30

申请号：RO9301191

申请日：1993-09-03

Applicant: STANDARD OIL CO OHIO

Inventor： MICHAEL J SEELY ,  MARIA S FRIEDRICH ,  CHRISTOS PAPARIZOS ,  DEV D SURESH

IPC: B01J23/54 ,  C07C253/24 ,  C07C255/08