Patent ID: 8461397
Filing Date: 2013-06-11
Classification: C07C,Y02P

Abstract:
1. A process for oxidizing a hydrocarbon to the corresponding hydroperoxide, alcohol, ketone, carboxylic acid or dicarboxylic acid, the process comprising (a) contacting a reaction medium comprising a hydrocarbon with an oxygen-containing gas in a reaction zone and in the presence of a catalyst comprising a cyclic imide of the general formula (I): wherein each of R each of Q each of X and Z is independently selected from C, S, CH Y is O or OH; k is 0, 1, or 2; 1 is 0, 1, or 2; m is 1 to 3; and R (b) removing a portion of said reaction medium from said reaction zone, said reaction medium portion containing water and organic acids; (c) stripping at least part of water and organic acids from said reaction medium portion; and then (d) returning at least part of said reaction medium portion to said reaction zone.