The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 18, 1996
Filed:
Sep. 29, 1994
Lutz Jeromin, Hilden, DE;
Wilhelm Johannisbauer, Erkrath, DE;
Stefan Blum, Langenfeld, DE;
Reinhold Sedelies, Schifferstadt, DE;
Heinrich Moormann, Duesseldorf, DE;
Bernd Holfoth, Langenfeld, DE;
Juergen Plachenka, Mettmann, DE;
Henkel Kommanditgesellschaft auf Aktien, Duesseldorf, DE;
Abstract
The glycerol water (sweet water) accumulating in the high-pressure hydrolysis of natural fats and oils with steam into fatty acid and glycerol is continuously purified. Fats larger than 100 .mu.m in diameter are separated from the aqueous phase in a plate-type phase separator and are returned to the high-pressure hydrolysis process. The aqueous phase thus prepurified is passed through a cross-flow filtration membrane, more particularly a microfiltration membrane, and the concentrate is returned to the entrance of the plate-phase separator. Large product streams of glycerol water can be purified continuously, effectively and particularly economically despite frequent changes of provenance.