DE69228946D1 - Lösungsmittelextraktion von öl aus öl enthaltenden materialien - Google Patents

Lösungsmittelextraktion von öl aus öl enthaltenden materialien

Info

Publication number
DE69228946D1
DE69228946D1 DE69228946T DE69228946T DE69228946D1 DE 69228946 D1 DE69228946 D1 DE 69228946D1 DE 69228946 T DE69228946 T DE 69228946T DE 69228946 T DE69228946 T DE 69228946T DE 69228946 D1 DE69228946 D1 DE 69228946D1
Authority
DE
Germany
Prior art keywords
oil
solvent extraction
materials containing
containing oil
materials
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 - Lifetime
Application number
DE69228946T
Other languages
English (en)
Other versions
DE69228946T2 (de
Inventor
Henry L Franke
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.)
Res & Marketing Inc, University of
Original Assignee
Res & Marketing Inc, University of
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 Res & Marketing Inc, University of filed Critical Res & Marketing Inc, University of
Publication of DE69228946D1 publication Critical patent/DE69228946D1/de
Application granted granted Critical
Publication of DE69228946T2 publication Critical patent/DE69228946T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C11B3/00—Refining fats or fatty oils
    • C11B3/006—Refining fats or fatty oils by extraction
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C19/00—Cheese; Cheese preparations; Making thereof
    • A23C19/06—Treating cheese curd after whey separation; Products obtained thereby
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C19/00—Cheese; Cheese preparations; Making thereof
    • A23C19/14—Treating cheese after having reached its definite form, e.g. ripening, smoking
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L17/00—Food-from-the-sea products; Fish products; Fish meal; Fish-egg substitutes; Preparation or treatment thereof
    • A23L17/40—Shell-fish
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L27/00—Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
    • A23L27/10—Natural spices, flavouring agents or condiments; Extracts thereof
    • A23L27/11—Natural spices, flavouring agents or condiments; Extracts thereof obtained by solvent extraction
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
    • A23L5/20—Removal of unwanted matter, e.g. deodorisation or detoxification
    • A23L5/23—Removal of unwanted matter, e.g. deodorisation or detoxification by extraction with solvents
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
    • A24B15/26—Use of organic solvents for extraction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0215—Solid material in other stationary receptacles
    • B01D11/0219—Fixed bed of solid material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/028—Flow sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0288—Applications, solvents
    • 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
    • C11B1/104—Production of fats or fatty oils from raw materials by extracting using super critical gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D2011/007—Extraction using a solvent in the gas phase

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Marine Sciences & Fisheries (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Fats And Perfumes (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Sliding-Contact Bearings (AREA)
  • Processing Of Solid Wastes (AREA)
  • Meat, Egg Or Seafood Products (AREA)
DE69228946T 1991-12-31 1992-12-31 Lösungsmittelextraktion von öl aus öl enthaltenden materialien Expired - Lifetime DE69228946T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/815,700 US5281732A (en) 1991-12-31 1991-12-31 Solvent extraction of oil from oil-bearing materials
PCT/US1992/011394 WO1993013035A1 (en) 1991-12-31 1992-12-31 Solvent extraction of oil from oil bearing materials

Publications (2)

Publication Number Publication Date
DE69228946D1 true DE69228946D1 (de) 1999-05-20
DE69228946T2 DE69228946T2 (de) 1999-09-09

Family

ID=25218563

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69228946T Expired - Lifetime DE69228946T2 (de) 1991-12-31 1992-12-31 Lösungsmittelextraktion von öl aus öl enthaltenden materialien

Country Status (9)

Country Link
US (2) US5281732A (de)
EP (2) EP0623100B1 (de)
AU (2) AU3467693A (de)
BR (1) BR9207016A (de)
CA (1) CA2127105C (de)
DE (1) DE69228946T2 (de)
ES (1) ES2132218T3 (de)
PL (1) PL300490A1 (de)
WO (2) WO1993013035A1 (de)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5281732A (en) * 1991-12-31 1994-01-25 University Research & Marketing Solvent extraction of oil from oil-bearing materials
US5516923A (en) * 1992-04-27 1996-05-14 Agritech International Extracting oil from oil bearing plant parts
US5405633A (en) * 1992-10-08 1995-04-11 Skw Trostberg Aktiengesellschaft Process for the extraction of fats and oils
GB2276392B (en) * 1993-02-22 1997-03-26 D G P Improved production of natural flavours and fragrances
GB9406423D0 (en) * 1994-03-31 1994-05-25 Ici Plc Solvent extraction process
NO955076D0 (no) * 1994-12-17 1995-12-14 Sueddeutsche Kalkstickstoff Fremgangsmåte for selektiv ekstraksjon av fett og/eller oljer fra faste naturstoffer
US5670678A (en) * 1995-04-21 1997-09-23 Hunt-Wesson, Inc. Method for recovering edible oil from adsorbent materials
US5998640A (en) * 1996-02-13 1999-12-07 Haefele; Gary R. Method for recovering oil from an oil-bearing solid material
AU775402B2 (en) * 1996-02-13 2004-07-29 Hydrocarbon Minerals Technology L.L.C. Method and apparatus for recovering oil from an oil-bearing solid material
AP622A (en) * 1996-05-14 1997-12-17 Agritech Int Llc Extracting oil from oil bearing plant parts.
US5707673A (en) * 1996-10-04 1998-01-13 Prewell Industries, L.L.C. Process for extracting lipids and organics from animal and plant matter or organics-containing waste streams
US6066350A (en) 1997-02-07 2000-05-23 Cargill Incorporated Method and arrangement for processing cocoa mass
US6312528B1 (en) 1997-03-06 2001-11-06 Cri Recycling Service, Inc. Removal of contaminants from materials
US5980964A (en) * 1998-06-18 1999-11-09 Gilroy Foods, D/B/A/Conagra Corporation Extraction of oil from oil bearing products with a chilled liquefied normally gaseous solvent
US6166231A (en) * 1998-12-15 2000-12-26 Martek Biosciences Corporation Two phase extraction of oil from biomass
US6111119A (en) * 1999-01-14 2000-08-29 Cocotech, Inc. Process for removing oil from food products
US6388110B1 (en) 1999-02-11 2002-05-14 Cargill, Incorporated High oil corn processing
US6703227B2 (en) 1999-02-11 2004-03-09 Renessen Llc Method for producing fermentation-based products from high oil corn
US6313328B1 (en) 1999-02-11 2001-11-06 Cargill, Incorporated Extraction of corn oil from flaked corn grain
US6648930B2 (en) 1999-02-11 2003-11-18 Renessen Llc Products comprising corn oil and corn meal obtained from high oil corn
US7083954B2 (en) 1999-02-11 2006-08-01 Renessen Llc Method of producing fermentation-based products from corn
US6723370B2 (en) 1999-02-11 2004-04-20 Cargill, Incorporated Products comprising corn oil and corn meal obtained from corn
US6740508B2 (en) 1999-02-11 2004-05-25 Renessen Llc Fermentation-based products from corn and method
US6610867B2 (en) 2000-08-10 2003-08-26 Renessen Llc Corn oil processing and products comprising corn oil and corn meal obtained from corn
US6245377B1 (en) * 1999-08-04 2001-06-12 Mars Incorporated Method of stabilization of rice bran by acid treatment and composition of the same
GB9920949D0 (en) * 1999-09-06 1999-11-10 Ici Ltd Apparatus and method for removing solvent residues
GB0027047D0 (en) * 2000-11-06 2000-12-20 Ici Plc Process for reducing the concentration of undesired compounds in a composition
US6589422B2 (en) * 2000-12-18 2003-07-08 Ineos Fluor Holdings Limited Apparatus and method for extracting biomass
US6551642B2 (en) 2001-03-08 2003-04-22 Cocotech, Inc. Process for removing oil from foodstuffs using a membrane filter
US7008528B2 (en) * 2001-03-22 2006-03-07 Mitchell Allen R Process and system for continuously extracting oil from solid or liquid oil bearing material
WO2002085485A1 (en) * 2001-04-23 2002-10-31 Aspen Aerogels, Inc. Enhancement of fluid replacement in porous media through pressure modulation
US6569480B2 (en) 2001-04-30 2003-05-27 Donald R. Hall Liquefied gas extraction process
US20030134018A1 (en) * 2001-12-31 2003-07-17 Cargill, Inc. Process for oil extraction
NZ516876A (en) * 2002-01-28 2004-05-28 New Zealand Botan Oils Ltd A method of producing an oil extract from the seeds of the plants meadowfoam, brassicas and crambe and its use in skin conditions e.g. eczema, psoriasis and burns
US20060084170A1 (en) * 2002-05-24 2006-04-20 Pykett Mark J Cytokine-free growth and maintenance of progenitor cells
GB0221667D0 (en) * 2002-09-18 2002-10-30 Advanced Phytonics Ltd Extraction
US20040071847A1 (en) * 2002-10-15 2004-04-15 Cargill, Inc. Producing cocoa powders with different cocoa butter contents by liquefied gas extraction on substantially the same production line
US20040071848A1 (en) * 2002-10-15 2004-04-15 Cargill Inc. Process for producing cocoa butter and cocoa powder by liquefied gas extraction
US7201934B2 (en) * 2002-10-15 2007-04-10 Cargill, Incorporated Dispersible cocoa products
US7384557B2 (en) * 2003-07-14 2008-06-10 Applied Ambient Extraction Process Consultants, Llc Method and apparatus for removing solute from a solid solute-bearing product
DE102005037209A1 (de) * 2005-08-06 2007-02-08 Degussa Ag Verfahren zur Gewinnung von natürlichen Ölen aus pflanzlichen Bestandteilen
DE102005037210A1 (de) * 2005-08-06 2007-02-08 Degussa Ag Verfahren zur Extraktion von Fruchtwachsen
US8398857B2 (en) * 2009-10-22 2013-03-19 Epic Oil Extractors, Llc Extraction of solute from solute-bearing material
CA2688937C (en) 2009-12-21 2017-08-15 N-Solv Corporation A multi-step solvent extraction process for heavy oil reservoirs
US8859793B2 (en) * 2011-10-27 2014-10-14 Jerry Hamler Process for extracting oil from plants and animal matter
US9169455B2 (en) * 2011-10-27 2015-10-27 Jerry Hamler Process for extracting oil from plants and animal matter
US9358259B2 (en) * 2012-03-20 2016-06-07 Andrew David Hospodor Recycling cannabinoid extractor
WO2014028939A2 (en) 2012-08-17 2014-02-20 California Institute Of Technology Targeting phosphofructokinase and its glycosylation form for cancer
US9440166B2 (en) * 2012-08-30 2016-09-13 Dionex Corporation Method and device to extract an analyte from a sample with gas assistance
US8591912B1 (en) 2013-02-28 2013-11-26 Kiran L. Kadam Algae extraction process
US10227370B2 (en) 2013-08-02 2019-03-12 California Institute Of Technology Heparan sulfate/heparin mimetics with anti-chemokine and anti-inflammatory activity
US9770461B2 (en) 2013-08-02 2017-09-26 California Institute Of Technology Tailored glycopolymers as anticoagulant heparin mimetics
US10595555B2 (en) 2013-11-04 2020-03-24 Jason Wasserman Methods for creating concentrated plant material solutions
US9587203B2 (en) * 2013-11-04 2017-03-07 Jason Wasserman Methods for extracting solute from a source material
US9144751B2 (en) 2013-11-04 2015-09-29 Jason Wasserman Systems for extracting solute from a source material
US11565194B2 (en) 2013-11-04 2023-01-31 Gene Pool Technologies, Inc. Systems for extracting solute from a source material
US9145532B2 (en) 2013-11-04 2015-09-29 Jason Wasserman Methods for extracting solute from a source material
US9649575B2 (en) 2014-09-03 2017-05-16 Hopkins Holdings Llc Organic oil extraction device
US20170312327A1 (en) * 2014-11-17 2017-11-02 Connoisseur Holdings, Llc Extraction devices, systems, and methods
JP2017026560A (ja) * 2015-07-28 2017-02-02 株式会社日立製作所 油分測定装置
CN105561628B (zh) * 2015-12-16 2018-06-19 浙江旭源杜仲生物科技有限公司 植物胶体提取工艺及分离设备
BR112018074006B1 (pt) 2016-05-23 2021-06-15 Symrise Ag Mistura para cuidado capilar, seu uso, composição e método para cuidado capilar ou pessoal
US11015142B1 (en) * 2016-10-20 2021-05-25 Unified Science, LLC Extraction system and methods for preparing a botanical oil
CN106552442B (zh) * 2016-11-21 2018-08-31 菏泽尧舜牡丹生物科技有限公司 一种对超临界co2萃取后牡丹花渣的处理工艺
FR3061416B1 (fr) * 2016-12-29 2021-06-18 Basf Beauty Care Solutions France Sas Utilisation de l'eau de coco comme solvant d'extraction
PL239651B1 (pl) * 2017-08-02 2021-12-27 Michalek Wieslaw Ekologiczny sposób otrzymywania paliw stałych z węgli kopalnych
US20190308116A1 (en) * 2018-04-10 2019-10-10 Craig Alan Brodersen Solvent based cannabinoid extraction process with improved efficiency, safety, quality, which yields a homogenous and pasteurized product
CN108929768A (zh) * 2018-08-14 2018-12-04 武汉轻工大学 一种干预高脂血症食用油及其制备方法
AU2018441463A1 (en) 2018-09-14 2021-03-25 Symrise Ag A hair care composition

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2632551A (en) 1947-04-10 1953-03-24 Bettendorf Co Article handling and transfer apparatus
US2560935A (en) 1947-04-23 1951-07-17 Kellogg M W Co Extraction of oleiferous materials
AT331374B (de) * 1972-12-22 1976-08-25 Studiengesellschaft Kohle Mbh Verfahren zur gewinnung von fetten und olen aus pflanzlichen und tierischen produkten
IL79838A0 (en) * 1976-08-26 1986-11-30 Vitamins Inc Mass transfer extraction of liquids from solids
US4749522A (en) * 1985-10-31 1988-06-07 Angio-Medical Corporation Supercritical fluid extraction of animal derived materials
US4898673A (en) 1987-07-11 1990-02-06 Vitamins, Inc. Dynamic supercritical fluid extraction system
US5041245A (en) * 1989-03-10 1991-08-20 Bioseparations, Inc. Continuous extraction of oil-containing vegetable matter with pressurized normally gaseous solvent
WO1991014377A1 (en) * 1990-03-21 1991-10-03 Portwall Pty Limited Processing of mixtures containing lipids and proteins and products so produced
AU8498391A (en) * 1990-08-23 1992-03-17 Liquid Carbonic Corporation Method of making reduced oil content fried chip products and product thereof
US5281732A (en) * 1991-12-31 1994-01-25 University Research & Marketing Solvent extraction of oil from oil-bearing materials

Also Published As

Publication number Publication date
CA2127105C (en) 2002-09-24
BR9207016A (pt) 1995-12-05
EP0676924A4 (de) 1995-11-22
EP0623100A4 (de) 1995-06-07
WO1994015483A1 (en) 1994-07-21
AU6228394A (en) 1994-08-15
US5728851A (en) 1998-03-17
US5281732A (en) 1994-01-25
ES2132218T3 (es) 1999-08-16
PL300490A1 (en) 1994-03-07
EP0623100A1 (de) 1994-11-09
EP0676924A1 (de) 1995-10-18
CA2127105A1 (en) 1993-07-08
WO1993013035A1 (en) 1993-07-08
EP0623100B1 (de) 1999-04-14
DE69228946T2 (de) 1999-09-09
AU3467693A (en) 1993-07-28

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