Process for producing glycerin

Details Process for producing glycerin Process for producing glycerin

2005-03-15

2005-03-15

Price, Elvis O. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C568S840000, C568S852000, C568S869000, C422S001000

Reexamination Certificate

active

06867337

ABSTRACT:
A process for producing glycerin is comprised of the steps of: (1) contacting a fat with water at a temperature and pressure sufficient to produce hydrolyzed fat and a sweet water stream comprised of water, fat and glycerin; (2) introducing the sweet water stream into a vertical constant temperature zone and heating the sweet water stream to a temperature of at least 200° C.; (3) allowing sweet water stream of step (2) to separate into a top layer comprised of fat and a bottom layer comprised of glycerin and water while maintaining a temperature of the two layers of at least about 200° C. for a period of time sufficient to deactivate the prions; (4) separating the glycerin from the water.

REFERENCES:
Twenty-Second Commission Directive 98/16/EC, Mar. 5, 1998, Official Journal of the European Communities, L 77/44 through L 77/46.
Twenty-Fourth Commission Directive 2000/6/EC, Feb. 29, 2000, Official Journal of the European Communities, L 56/42 through L 56/46.

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