Anhydrous diluents for the propylene oxidation reaction to acrol

Details Anhydrous diluents for the propylene oxidation reaction to acrol Anhydrous diluents for the propylene oxidation reaction to acrol

1990-06-25

1993-03-30

Prescott, Arthur C.

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

Organic compounds

Carboxylic acids and salts thereof

562534, 562535, C07C 5116, C07C 5100

Patent

active

051985780

ABSTRACT:
The processes for oxidation of propylene to acrolein and the oxidation of propylene to acrylic acid in two stages with acrolein as an intermediate are improved by use of essentially inert essentially anhydrous diluent gases to replace steam in the reaction streams. In particular, the use of essentially inert essentially anhydrous diluents which raise the composite heat capacity of the diluent gaas mixture to at least about 6.5 calories/(gram-mole) (.degree.C.) will improve selectivity to desired products and will reduce both the waste water load on the system and by-product formation.

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