GB559175A - Improvements in and relating to the extraction of fat and oils - Google Patents

Improvements in and relating to the extraction of fat and oils

Info

Publication number
GB559175A
GB559175A GB1075642A GB1075642A GB559175A GB 559175 A GB559175 A GB 559175A GB 1075642 A GB1075642 A GB 1075642A GB 1075642 A GB1075642 A GB 1075642A GB 559175 A GB559175 A GB 559175A
Authority
GB
United Kingdom
Prior art keywords
fat
pressure
container
extraction
steam pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1075642A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB1075642A priority Critical patent/GB559175A/en
Publication of GB559175A publication Critical patent/GB559175A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B13/00—Recovery of fats, fatty oils or fatty acids from waste materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes

Abstract

559,175. Extracting fat. KERNOT, J. C., and ATTARI, H. July 31, 1942, No. 10756. [Class 91] Oil or fat is recovered from offal &c. by subjecting the material, whilst enclosed in a container, to steam pressure which at the appropriate time or at definite and predetermined intervals is suddenly released or reduced to zero so as to cause the breaking up of the fat-containing cells and the deodorization of the material. followed by the extraction of the material with water containing a proportion of a substance adapted to lower the surface tension, such as by running a hot solution of soda ash into the container and keeping the contents at boiling point for a period, whereby the separated fat floats to the surface in the form of small globules and may be run off. The residual fat in the solid residue may be obtained by centrifuging or pressure treatment and the remainder dried to less than 15 per cent. moisture and used as feeding stuff, fertilizer &c. In the preliminary treat-. ment, the steam pressure is of the order of. 30-60 lbs. per square inch, and it may be necessary to effect the release of pressure 3 or 4 times. Specifications 468,061, 543,424 and 550,705 are referred to.
GB1075642A 1942-07-31 1942-07-31 Improvements in and relating to the extraction of fat and oils Expired GB559175A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1075642A GB559175A (en) 1942-07-31 1942-07-31 Improvements in and relating to the extraction of fat and oils

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1075642A GB559175A (en) 1942-07-31 1942-07-31 Improvements in and relating to the extraction of fat and oils

Publications (1)

Publication Number Publication Date
GB559175A true GB559175A (en) 1944-02-08

Family

ID=9973678

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1075642A Expired GB559175A (en) 1942-07-31 1942-07-31 Improvements in and relating to the extraction of fat and oils

Country Status (1)

Country Link
GB (1) GB559175A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222384A (en) * 1962-12-31 1965-12-07 Pennsalt Chemicals Corp Process for rendering animal fat
ES2259893A1 (en) * 2004-12-02 2006-10-16 Fundacion Azti-Azti Fundazioa High oil concentration production by e.g. fish processing by products treatment consists of hot pressurizing for instant depressurizing, via steam and a vacuum valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222384A (en) * 1962-12-31 1965-12-07 Pennsalt Chemicals Corp Process for rendering animal fat
ES2259893A1 (en) * 2004-12-02 2006-10-16 Fundacion Azti-Azti Fundazioa High oil concentration production by e.g. fish processing by products treatment consists of hot pressurizing for instant depressurizing, via steam and a vacuum valve

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