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:
Feb. 24, 1976
Filed:
Mar. 18, 1974
Tadashi Miyazawa, Tokyo, JA;
Kayaba Industry Co., Ltd., Tokyo, JA;
Mitsubishi Industries, Ltd., Tokyo, JA;
E. C. Chemical Industries Co., Ltd., Osaka, JA;
Abstract
A method for separating oil from water, wherein, in order to simplify the treatment processes, to improve separation efficiency, and to make possible the recycling of added solvents, in the course of separation treatment of oil from waste water containing fats and oils, paraffinic hydrocarbons of low specific gravities, as extractive solvents for fats and oils, and inorganic or organic coagulants are added to the waste water; the mixture is then stirred and allowed to stand; the oil-containing scum separating as an upper layer is then removed so as to separate the oil from water, and furthermore, the solvent previously added is recovered from the oil-containing scum so removed by means of distillation.