公开(公告)号：US3840595A

公开(公告)日：1974-10-08

申请号：US22837572

申请日：1972-02-22

Applicant: STANDARD OIL CO

Inventor： GRASSELLI R ,  SURESH D

IPC: B01J23/00 ,  B01J23/30 ,  B01J23/34 ,  B01J23/88 ,  B01J23/888 ,  C07B61/00 ,  C07C51/00 ,  C07C51/235 ,  C07C51/25 ,  C07C57/055 ,  C07C67/00 ,  C07C51/26 ,  C07C57/04

CPC classification number: B01J23/8885 ,  B01J23/30 ,  B01J23/34 ,  C07C51/252 ,  C07C57/04

Abstract: 1. IN THE PROCESS FOR THE PRODUCTION OF UNSATURATED ALIPHATIC ACIDS BY THE VAPOR PHASE CATALYTIC OXIDATION OF THE CORRESPONDING UNSATURATED ALIPHATIC ALDEHYDES WITH MOLECULAR OXYGEN IN THE PRESENCE OF STREAM IN A RATIO OF FROM ABOUT 0.5 TO ABOUT 4 MOLES OF OXYGEN AND FROM ABOUT 1 TO ABOUT 20 MOLES OF STREAM PER MOLE OF ALDEHYDE AT A TEMPERATURE OF ABOUT 200* TO ABOUT 450* C. AND A PRESSURE OF ABOUT 0.5 TO ABOUT 10 ATMOSPHERES, THE IMPROVEMENT COMPRISING USING AS THE CATALYST A COMPOSITION HAVING THE EMIPIRICAL FORMULA

SNBWCVDMOEOX

WHEREIN B IS A NUMBER OF ABOUT 0.1 TO ABOUT 12; C IS A NUMBER OF ABOUT 0.1 TO ABOUT 6; D IS A NUMBER OF ABOUT 0.5 TO ABOUT 12; E IS A NUMBER OF ABOUT 8 TO ABOUT 16; X IS A NUMBER WHICH SATISFIES THE VALENCE REQUIREMENTS OF THE OTHER ELEMENTS SAID CATALYST OPTIONALLY CONTAINING ONE OR MORE OF THE ELEMENTS SELECTED FROM THE GROUP CONSISTING OF FE, NI, CO, ZN, MN, MG AND CU.