GB652619A - Improvements in or relating to the extraction of oils and fats from animal or vegetable materials such as oil-seeds, seed-germs, press-cakes and the like - Google Patents

Improvements in or relating to the extraction of oils and fats from animal or vegetable materials such as oil-seeds, seed-germs, press-cakes and the like

Info

Publication number
GB652619A
GB652619A GB28687/47A GB2868747A GB652619A GB 652619 A GB652619 A GB 652619A GB 28687/47 A GB28687/47 A GB 28687/47A GB 2868747 A GB2868747 A GB 2868747A GB 652619 A GB652619 A GB 652619A
Authority
GB
United Kingdom
Prior art keywords
extraction
oil
solvent
dichloro
ethane
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
GB28687/47A
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.)
Donau Chemie AG
Original Assignee
Donau Chemie AG
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 Donau Chemie AG filed Critical Donau Chemie AG
Publication of GB652619A publication Critical patent/GB652619A/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
    • C11B1/00—Production of fats or fatty oils from raw materials
    • C11B1/10—Production of fats or fatty oils from raw materials by extracting

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Oil or fat-containing solid materials of animal or vegetable origin, such as oil-seeds or cereal germs are extracted with 1,1-dichloroethane or with mixtures of fat solvents containing 1,1-dichloro-ethane. The mixture may contain 1,1,1-trichloro-ethane. The extraction may be carried out at ordinary or elevated temperatures and the extract may be freed from solvent by distillation followed by steaming or evaporation under reduced pressure. In the example 10 kg. of wheat-germ are extracted with 100 kg. 1,1-dichloro-ethane in three portions at room temperature and the extract is separated from the residue by centrifuging. The bulk of the solvent is distilled off from the extract at 60 DEG C. and the remainder completely removed by blowing with nitrogen at about 50-60 DEG C., leaving an oil rich in vitamin E. The extraction-residue is blown with warm nitrogen at about 50 DEG C. until free from any odour of the solvent. The Specification as open to inspection under Sect. 91 comprises also extraction with a solvent comprising a chlorinated hydrocarbon containing at least two carbon atoms, at least one of which is not connected to chlorine but to hydrogen and/or to a chlorine-free hydrocarbon radical or radicals. An example is given of the extraction of oilseed cake with 1,1-dichloroethylene and the use of iso-propyl-chloride, 1,2-dichloro-butene and iso-amyl chloride as solvents is also referred to. This subject-matter does not appear in the Specification as accepted.
GB28687/47A 1947-01-11 1947-10-27 Improvements in or relating to the extraction of oils and fats from animal or vegetable materials such as oil-seeds, seed-germs, press-cakes and the like Expired GB652619A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT652619X 1947-01-11

Publications (1)

Publication Number Publication Date
GB652619A true GB652619A (en) 1951-04-25

Family

ID=3678240

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28687/47A Expired GB652619A (en) 1947-01-11 1947-10-27 Improvements in or relating to the extraction of oils and fats from animal or vegetable materials such as oil-seeds, seed-germs, press-cakes and the like

Country Status (1)

Country Link
GB (1) GB652619A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6361814B2 (en) 1997-02-07 2002-03-26 Cargill Incorporated Method and arrangement for processing cocoa mass; resulting products

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6361814B2 (en) 1997-02-07 2002-03-26 Cargill Incorporated Method and arrangement for processing cocoa mass; resulting products
US6610343B2 (en) 1997-02-07 2003-08-26 Cargill, Incorporated Method for processing cocoa mass
US7709041B2 (en) 1997-02-07 2010-05-04 Cargill, Incorporated Low-fat cocoa powder

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