Process for the production of acrolein by catalytic gas-phase ox

Details Process for the production of acrolein by catalytic gas-phase ox Process for the production of acrolein by catalytic gas-phase ox

1990-09-12

1991-12-10

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568475, 568476, C07C 4534

Patent

active

050720520

ABSTRACT:
The present invention relates to a process for the production of acrolein by catalytic gas-phase oxidation of propene with air in the presence of steam and an inert gas or waste gas from the reaction, the starting materials being passed in defined quantitative ratios at 300.degree. to 380.degree. C. under 1.4 to 2.2 bar pressure over a catalyst containing the combination of elements MoFeCoNiBiP(As)K(Rb,Cs)SmSiO in the form of a bed of individual elements, the catalyst elements fulfilling certain geometric conditions and a number of critical physico-chemical parameters and a specific load of 2 to 8 mol propene/dm.sup.3 catalyst bed/h being adjusted.

REFERENCES:
patent: 4245118 (1981-01-01), Yamamoto et al.
patent: 4267385 (1981-05-01), Umemura et al.
patent: 4332971 (1982-06-01), Dalton et al.
patent: 4335264 (1982-06-01), Yates et al.

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