Anhydrous diluents for the isobutylene oxidation reaction to...

Details Anhydrous diluents for the isobutylene oxidation reaction to... Anhydrous diluents for the isobutylene oxidation reaction to...

C - Chemistry, Metallurgy

07

C

260/569.1, 260/5

C07C 51/21 (2006.01) C07C 45/35 (2006.01) C07C 47/22 (2006.01) C07C 51/25 (2006.01) C07C 57/055 (2006.01)

Patent

CA 1327814

- 34 - ANHYDROUS DILUENTS FOR THE ISOBUTYLENE OXIDATION REACTION TO METHACROLEIN AND METHACROLEIN OXIDATION TO METHACRYLIC ACID ABSTRACT The processes for oxidation of isobutylene to methacrolein and the oxidation of isobutylene to methacrylic acid in two stages with methacrolein 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 gas mixture to at least about 6.5 calories/(gram-mole) (°C) will improve selectivity to desired products and will reduce both the waste water load on the system and by-product formation.

612732

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