Patent ID: 6337412
Filing Date: 2002-01-08
Classification: B01D,C07D,Y02P

Abstract:
An integrated process for the production of propylene oxide comprising:(a) Reacting isopropanol with oxygen under conditions effective to produce a first reaction product comprising hydrogen peroxide and acetone; (b) separating and recovering said hydrogen peroxide from said first reaction product; (c) separating and recovering said acetone from said first reaction product; (d) reacting said acetone with hydrogen under conditions effective to produce isopropanol; (e) recycling said isopropanol of step (d) to step (a); (f) reacting said hydrogen peroxide of step (b) with propylene under conditions effective to produce a second reaction product comprising propylene oxide, isopropanol and unreacted propylene; (g) recovering said second reaction product; (h) separating and recovering said propylene oxide from said second reaction product; (i) separating and recovering said isopropanol from said second reaction product and recycling said isopropanol to step (a); and (j) separating and recovering said propylene from said second reaction product and recycling said propylene to step (f).