Patent ID: 7605291
Filing Date: 2009-10-20
Classification: C07C

Abstract:
1. A method for controlling the separation of acetone from water comprising: a. adding a mixture of acetone and water to a heating column; b. heating the column with an enclosed steam line to create acetone vapor and liquid water; c. condensing the acetone vapor into purified liquid acetone with a condenser; d. collecting the liquid acetone in a first tank and collecting the liquid water in a second tank; e. measuring temperature, pressure and flow of the mixture of acetone and water of step a and the steam of step b; f. receiving the temperature, pressure and flow measurements by a computer; g. inputting the temperature, pressure and flow measurements into a statistical process control software running on the computer; and h. controlling the addition of the mixture of acetone and water in step a and the addition of steam in step b by the computer.