C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/506.1
C07C 409/24 (2006.01) B01J 19/18 (2006.01) C07C 409/00 (2006.01)
Patent
CA 1179367
Abstract: CONTINUOUS PROCESS FOR THE PRODUCTION OF PEROXYCARBOXYLIC ACID COMPOSITIONS Peroxycarboxylic acid compositions containing stabilizing ingredients are produced by the hydrogen peroxide peroxidation of corresponding carboxylic acids which are not substantially soluble in water by a continuous process in which the peroxidation reaction takes place in solution in concentrated sulfuric acid, or other strong acid, while that solution is intimately interdispersed, by means of agitation, with methylene chloride, or other organic solvent, in which the re- sulting peroxycarboxylic acid is soluble, but the carboxylic acid is not, and the sulfuric acid, or other acid, is recovered from the effluent of the process by reacting it with borax and caustic soda or soda ash to form crystals of boric acid and sodium salt of the strong acid which, in admixture with peroxy- carboxylic acid recovered from the effluent, form the peroxycarboxylic acid composition product. The meth- ylene chloride is also recovered from the effluent and recycled to the process.
381717
Liao Hsiang P.
Mohr Richard A.
Start John F.
Fmc Corporation
Osler Hoskin & Harcourt Llp
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