Method for the production of propylene oxide
AssigneeBASF SE
InventorsJoaquim Henrique Teles, Alwin Rehfinger, Peter Bassler, Anne Wenzel, Norbert Rieber, Peter Rudolf
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Abstract
A process for the preparation of propylene oxide in which (i) propene is reacted with hydrogen peroxide in the presence of methanol to give propylene oxide, giving a mixture (Gi) comprising propylene oxide, methanol, water and unreacted hydrogen peroxide, (ii) a mixture (Gii) comprising methanol, water and hydrogen peroxide is separated off from the mixture (Gi), giving a mixture (Ga) comprising propylene oxide, and (iii) water is separated off from the mixture (Gii), giving a mixture (Giii) comprising methanol and methyl formate.
Claims9
A process for the preparation of propylene oxide in which
- (i) propene is reacted with hydrogen peroxide in the presence of methanol to give propylene oxide, giving a mixture (Gi) comprising propylene oxide, methanol, water and unreacted hydrogen peroxide,
- (ii) a mixture (Gii) comprising methanol, water and hydrogen peroxide is separated off from the mixture (Gi), giving a mixture (Ga) comprising propylene oxide, and
- (iii) water is separated off from the mixture (Gii), giving a mixture (Giii) comprising methanol and methyl formate.
Dependencies are inferred from the claim text.