FR2466264A1 - Procede et appareillage de separation de substances organiques liquides dissoutes de leurs melanges avec des solvants - Google Patents

Procede et appareillage de separation de substances organiques liquides dissoutes de leurs melanges avec des solvants Download PDF

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Publication number
FR2466264A1
FR2466264A1 FR8020743A FR8020743A FR2466264A1 FR 2466264 A1 FR2466264 A1 FR 2466264A1 FR 8020743 A FR8020743 A FR 8020743A FR 8020743 A FR8020743 A FR 8020743A FR 2466264 A1 FR2466264 A1 FR 2466264A1
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FR
France
Prior art keywords
liquid
vapor
carbon dioxide
phase
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.)
Granted
Application number
FR8020743A
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English (en)
French (fr)
Other versions
FR2466264B1 (enExample
Inventor
Richard Paul De Filippi
Johnson Edward Vivian
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.)
Arthur D Little Inc
Original Assignee
Arthur D Little Inc
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 Arthur D Little Inc filed Critical Arthur D Little Inc
Publication of FR2466264A1 publication Critical patent/FR2466264A1/fr
Application granted granted Critical
Publication of FR2466264B1 publication Critical patent/FR2466264B1/fr
Granted legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/343—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • B01D11/0403—Solvent extraction of solutions which are liquid with a supercritical fluid
    • B01D11/0407—Solvent extraction of solutions which are liquid with a supercritical fluid the supercritical fluid acting as solvent for the solute
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
    • B01D3/322—Reboiler specifications
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/40—Extractive distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Epoxy Compounds (AREA)
FR8020743A 1979-09-28 1980-09-26 Procede et appareillage de separation de substances organiques liquides dissoutes de leurs melanges avec des solvants Granted FR2466264A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/079,935 US4349415A (en) 1979-09-28 1979-09-28 Process for separating organic liquid solutes from their solvent mixtures

Publications (2)

Publication Number Publication Date
FR2466264A1 true FR2466264A1 (fr) 1981-04-10
FR2466264B1 FR2466264B1 (enExample) 1984-12-14

Family

ID=22153758

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8020743A Granted FR2466264A1 (fr) 1979-09-28 1980-09-26 Procede et appareillage de separation de substances organiques liquides dissoutes de leurs melanges avec des solvants

Country Status (15)

Country Link
US (1) US4349415A (enExample)
JP (1) JPS5656201A (enExample)
AU (1) AU532966B2 (enExample)
BE (1) BE885364A (enExample)
BR (1) BR8006241A (enExample)
CA (1) CA1157419A (enExample)
CH (1) CH642271A5 (enExample)
DE (1) DE3033729A1 (enExample)
FR (1) FR2466264A1 (enExample)
GB (1) GB2059787B (enExample)
IT (1) IT1129182B (enExample)
NL (1) NL191110C (enExample)
NZ (1) NZ194955A (enExample)
SE (1) SE8006723L (enExample)
ZA (1) ZA805733B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0129459B1 (fr) * 1983-06-09 1986-12-30 Rhone-Poulenc Chimie Procédé de purification d'un mélange eau-alcool en C1-C2-impuretés, issu d'un procédé de fabrication industriel d'alcool en C1-C2 au moyen d'un agent d'extraction

Families Citing this family (105)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4437938A (en) 1981-07-17 1984-03-20 The Halcon Sd Group, Inc. Process for recovering ethylene oxide from aqueous solutions
US4437939A (en) 1981-07-17 1984-03-20 The Halcon Sd Group, Inc. Process for separating ethylene oxide from aqueous solutions
US4447643A (en) * 1981-09-28 1984-05-08 National Distillers And Chemical Corporation Process for recovering oxygenated organic compounds from dilute aqueous solutions employing liquid extraction media
US4409406A (en) * 1981-09-28 1983-10-11 National Distillers And Chemical Corporation Process for recovering ethanol from dilute aqueous solutions employing liquid extraction media
US4520213A (en) * 1982-05-03 1985-05-28 Institute Of Gas Technology Method for solvent recovery in solvent separation of ethanol from water
US4508928A (en) * 1982-05-03 1985-04-02 Institute Of Gas Technology Ethanol extraction process
US4444573A (en) * 1982-06-21 1984-04-24 Nalco Chemical Company Hydrotropes and uses thereof
US4422966A (en) * 1983-03-18 1983-12-27 Union Camp Corporation Separation of neutrals from tall oil soaps
US4816275A (en) * 1983-03-28 1989-03-28 Chock Full O'nuts Corp. Decaffeination of aqueous extracts
US4495095A (en) * 1983-04-04 1985-01-22 Union Camp Corporation Acidulation and recovery of crude tall oil from tall oil soaps
DE3313530A1 (de) * 1983-04-14 1984-10-18 Fried. Krupp Gmbh, 4300 Essen Verfahren zur abtrennung von aethanol aus einer athanolhaltigen loesung
GB2152837B (en) * 1983-07-05 1987-03-25 Kuraray Co Extractive separation method
WO1985000805A1 (en) * 1983-08-15 1985-02-28 Daniel William Tedder Process for producing absolute alcohol by solvent extraction and vacuum distillation
JPS6066988A (ja) * 1983-09-20 1985-04-17 Hitachi Ltd 低分子量有機化合物の製造方法
US4469903A (en) * 1983-09-21 1984-09-04 Uop Inc. Process for the production of isopropyl alcohol
US4528100A (en) * 1983-10-31 1985-07-09 General Electric Company Process for producing high yield of gas turbine fuel from residual oil
US4547292A (en) * 1983-10-31 1985-10-15 General Electric Company Supercritical fluid extraction and enhancement for liquid liquid extraction processes
US4515695A (en) * 1983-11-28 1985-05-07 E.I. Du Pont De Nemours And Company Extraction of substances from aqueous solution
US4514574A (en) * 1984-01-09 1985-04-30 The Dow Chemical Company Process for separating isomeric mixtures
US4770780A (en) * 1984-04-25 1988-09-13 Cf Systems Corporation Liquid CO2 /cosolvent extraction
DE3421300A1 (de) * 1984-06-08 1985-12-12 Hoechst Ag, 6230 Frankfurt Verfahren zur gewinnung von trioxan aus waessrigen loesungen durch hochdruck-extraktion
JPS61254177A (ja) * 1985-05-02 1986-11-11 Hitachi Zosen Corp エタノ−ル含有液からのエタノ−ル抽出法
US4714526A (en) * 1985-06-10 1987-12-22 The University Of Rochester Supercritical fluid extraction method for multi-component systems
JPS6225982A (ja) * 1985-07-29 1987-02-03 Mitsubishi Heavy Ind Ltd アルコ−ル濃縮精製法
FR2588877B1 (fr) * 1985-10-17 1988-01-15 Inst Francais Du Petrole Procede de desasphaltage comportant une recuperation d'energie lors de la separation huile desasphaltee-solvant de desasphaltage
GB8601081D0 (en) * 1986-01-17 1986-02-19 Distillers Co Carbon Dioxide Removing water from ethanol
JPS62201828A (ja) * 1986-02-28 1987-09-05 Suntory Ltd 超臨界抽出法及びそのための装置
US4683347A (en) * 1986-06-23 1987-07-28 Shell Oil Company Glycerine purification process
US4836302A (en) * 1986-12-03 1989-06-06 Heilhecker Joe K Apparatus and method for removing and recovering oil and/or other oil-based drilling mud additives from drill cuttings
JPS63230659A (ja) * 1987-03-19 1988-09-27 Nippon Steel Chem Co Ltd 重合防止剤の回収方法
AU613611B2 (en) * 1987-04-29 1991-08-08 Mobil Oil Corporation Feedstock dewatering and etherification of crude methanol
US4831195A (en) * 1987-04-29 1989-05-16 Mobil Oil Corporation Production of ethers from methanol
US4777321A (en) * 1987-04-29 1988-10-11 Mobil Oil Corporation Feedstock preparation and conversion of oxygenates to olefins
US5028400A (en) * 1987-04-29 1991-07-02 Mobil Oil Corporation Feedstock preparation and reactor system for conversion to oxygenates to olefins
US4709113A (en) * 1987-04-29 1987-11-24 Mobil Oil Corporation Conversion of crude methanol to gasoline with extraction
DE3850772T2 (de) * 1987-07-24 1994-11-03 Japan As Represented By Minist nerfahren zur Konzentrierung und Reinigung von Alkohol.
US5250271A (en) * 1987-07-24 1993-10-05 Minister Of International Trade & Industry Apparatus to concentrate and purify alcohol
CA1311236C (en) * 1988-02-10 1992-12-08 Helena L. Chum Supercritical separation process for complex organic mixtures
FR2635695B1 (fr) * 1988-08-26 1990-11-16 Biolandes Procede d'extraction de matieres solides a l'aide d'un solvant et appareillage pour sa mise en oeuvre
JPH0288534A (ja) * 1988-09-27 1990-03-28 Tsusho Sangiyoushiyou Kiso Sangiyoukiyokuchiyou エタノールの濃縮方法
US4964995A (en) * 1989-06-16 1990-10-23 Midwest Research Institute Supercritical separation process for complex organic mixtures
US5028240A (en) * 1990-01-24 1991-07-02 Battelle Memorial Institute Separation and concentration of lower alcohols from dilute aqueous solutions
US5240603A (en) * 1990-03-02 1993-08-31 Hewlett-Packard Company Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids
US5133859A (en) * 1990-03-02 1992-07-28 Hewlett-Packard Company Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids
US5094741A (en) * 1990-03-02 1992-03-10 Hewlett-Packard Company Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids
US5322626A (en) * 1990-03-02 1994-06-21 Hewlett-Packard Company Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids
US5087370A (en) * 1990-12-07 1992-02-11 Clean Harbors, Inc. Method and apparatus to detoxify aqueous based hazardous waste
US5201960A (en) * 1991-02-04 1993-04-13 Applied Photonics Research, Inc. Method for removing photoresist and other adherent materials from substrates
FR2683523B1 (fr) * 1991-11-12 1994-02-11 Institut Francais Petrole Procede de separation d'ethyl tertiobutyl ether et d'ethanol.
US5198589A (en) * 1992-04-28 1993-03-30 The United States Of America As Represented By The United States Department Of Energy Cobalt carbonyl catalyzed olefin hydroformylation in supercritical carbon dioxide
US5312549A (en) * 1993-02-12 1994-05-17 Clean Harbors, Inc. Method and apparatus for extracting organic liquids from an organic liquid solute/solvent mixture
GB9413875D0 (en) * 1994-07-09 1994-08-31 British Nuclear Fuels Plc Separating solutes from solutions
US5932101A (en) * 1996-08-29 1999-08-03 Eastman Chemical Company Process for fluid/dense gas extraction under enhanced solubility conditions
FI101294B (fi) * 1996-10-30 1998-05-29 Valtion Teknillinen Menetelmä pyridiinin tai pyridiinijohdannaisten erottamiseksi vesiliuo ksista
US6043299A (en) * 1996-10-31 2000-03-28 Shell Oil Company Process for the extraction of material from multi-phase systems
US6066350A (en) * 1997-02-07 2000-05-23 Cargill Incorporated Method and arrangement for processing cocoa mass
US5868907A (en) * 1998-06-29 1999-02-09 Berg; Lloyd Separation of methyl ethyl ketone from ethanol by azeotropic distillation
JP3254472B2 (ja) * 1998-08-31 2002-02-04 独立行政法人産業技術総合研究所 超臨界流体を用いた化学物質含有排水の処理方法及び処理装置
US7064070B2 (en) * 1998-09-28 2006-06-20 Tokyo Electron Limited Removal of CMP and post-CMP residue from semiconductors using supercritical carbon dioxide process
US6911121B1 (en) * 1999-07-26 2005-06-28 James R. Beckman Method and apparatus for simultaneous heat and mass transfer utilizing a carrier-gas
GB9920943D0 (en) * 1999-09-06 1999-11-10 Ici Plc Apparatus and methods for removing solvent residues
GB2353735B (en) * 1999-09-06 2003-06-11 Ici Plc Apparatus and method for extracting biomass
FR2798863B1 (fr) * 1999-09-27 2001-12-28 Separex Sa Procede et installation de mise a l'etat adsorbe sur un support poreux de composes actifs contenus dans un produit
US6890853B2 (en) 2000-04-25 2005-05-10 Tokyo Electron Limited Method of depositing metal film and metal deposition cluster tool including supercritical drying/cleaning module
US6589422B2 (en) 2000-12-18 2003-07-08 Ineos Fluor Holdings Limited Apparatus and method for extracting biomass
CN100383074C (zh) * 2001-10-17 2008-04-23 普莱克斯技术有限公司 超临界二氧化碳的回收
JP2005516405A (ja) * 2002-01-25 2005-06-02 東京エレクトロン株式会社 超臨界二酸化炭素プロセス中の汚染物の形成を低減する方法
US6924086B1 (en) 2002-02-15 2005-08-02 Tokyo Electron Limited Developing photoresist with supercritical fluid and developer
JP2006508521A (ja) * 2002-02-15 2006-03-09 東京エレクトロン株式会社 溶剤浴と超臨界ｃｏ２を用いたレジストの乾燥
US20050227187A1 (en) * 2002-03-04 2005-10-13 Supercritical Systems Inc. Ionic fluid in supercritical fluid for semiconductor processing
US7387868B2 (en) * 2002-03-04 2008-06-17 Tokyo Electron Limited Treatment of a dielectric layer using supercritical CO2
CN1296771C (zh) * 2002-03-04 2007-01-24 东京毅力科创株式会社 在晶片处理中低电介质材料的钝化方法
WO2003082486A1 (en) * 2002-03-22 2003-10-09 Supercritical Systems Inc. Removal of contaminants using supercritical processing
US7169540B2 (en) * 2002-04-12 2007-01-30 Tokyo Electron Limited Method of treatment of porous dielectric films to reduce damage during cleaning
AT411429B (de) * 2002-08-26 2004-01-26 Natex Prozesstech Gmbh Verfahren und vorrichtung zum extrahieren von stoffen aus flüssigkeiten oder feststoffdispersionen
US20070137996A1 (en) * 2002-09-10 2007-06-21 Beckman James R Method and apparatus for simultaneous heat and mass transfer utilizing a carrier-gas
US6960242B2 (en) * 2002-10-02 2005-11-01 The Boc Group, Inc. CO2 recovery process for supercritical extraction
US6889508B2 (en) * 2002-10-02 2005-05-10 The Boc Group, Inc. High pressure CO2 purification and supply system
US20040177867A1 (en) * 2002-12-16 2004-09-16 Supercritical Systems, Inc. Tetra-organic ammonium fluoride and HF in supercritical fluid for photoresist and residue removal
US7018444B2 (en) * 2003-05-07 2006-03-28 Praxair Technology, Inc. Process for carbon dioxide recovery from a process tool
US20040231707A1 (en) * 2003-05-20 2004-11-25 Paul Schilling Decontamination of supercritical wafer processing equipment
US20050022850A1 (en) * 2003-07-29 2005-02-03 Supercritical Systems, Inc. Regulation of flow of processing chemistry only into a processing chamber
US7163380B2 (en) * 2003-07-29 2007-01-16 Tokyo Electron Limited Control of fluid flow in the processing of an object with a fluid
WO2005056150A2 (en) * 2003-12-03 2005-06-23 Arizona Board Of Regents Method and apparatus for simultaneous heat and mass transfer utilizing a carrier-gas at various absolute pressures
US7307019B2 (en) 2004-09-29 2007-12-11 Tokyo Electron Limited Method for supercritical carbon dioxide processing of fluoro-carbon films
US7491036B2 (en) 2004-11-12 2009-02-17 Tokyo Electron Limited Method and system for cooling a pump
US20060102282A1 (en) * 2004-11-15 2006-05-18 Supercritical Systems, Inc. Method and apparatus for selectively filtering residue from a processing chamber
US7291565B2 (en) 2005-02-15 2007-11-06 Tokyo Electron Limited Method and system for treating a substrate with a high pressure fluid using fluorosilicic acid
US20060186088A1 (en) * 2005-02-23 2006-08-24 Gunilla Jacobson Etching and cleaning BPSG material using supercritical processing
US20060185694A1 (en) * 2005-02-23 2006-08-24 Richard Brown Rinsing step in supercritical processing
US20060185693A1 (en) * 2005-02-23 2006-08-24 Richard Brown Cleaning step in supercritical processing
US7550075B2 (en) * 2005-03-23 2009-06-23 Tokyo Electron Ltd. Removal of contaminants from a fluid
US20060226117A1 (en) * 2005-03-29 2006-10-12 Bertram Ronald T Phase change based heating element system and method
US7442636B2 (en) * 2005-03-30 2008-10-28 Tokyo Electron Limited Method of inhibiting copper corrosion during supercritical CO2 cleaning
US20060219268A1 (en) * 2005-03-30 2006-10-05 Gunilla Jacobson Neutralization of systemic poisoning in wafer processing
US20060223899A1 (en) * 2005-03-30 2006-10-05 Hillman Joseph T Removal of porogens and porogen residues using supercritical CO2
US7399708B2 (en) * 2005-03-30 2008-07-15 Tokyo Electron Limited Method of treating a composite spin-on glass/anti-reflective material prior to cleaning
US7789971B2 (en) 2005-05-13 2010-09-07 Tokyo Electron Limited Treatment of substrate using functionalizing agent in supercritical carbon dioxide
US20070000519A1 (en) * 2005-06-30 2007-01-04 Gunilla Jacobson Removal of residues for low-k dielectric materials in wafer processing
US8048304B2 (en) * 2007-12-27 2011-11-01 Dynasep Llc Solvent extraction and recovery
JP5795366B2 (ja) * 2010-06-17 2015-10-14 ユニオン・エンジニアリング・エー／エスＵｎｉｏｎ Ｅｎｇｉｎｅｅｒｉｎｇ Ａ／Ｓ 液体二酸化炭素を使用して二酸化炭素を精製するための方法および装置
KR102201310B1 (ko) * 2017-09-12 2021-01-11 주식회사 엘지화학 용매 분리방법 및 분리장치
KR102160555B1 (ko) * 2017-11-13 2020-09-28 주식회사 엘지화학 폐용매 정제방법
US12061046B2 (en) 2019-05-06 2024-08-13 Messer Industries Usa, Inc. Impurity control for a high pressure CO2 purification and supply system
US11565992B2 (en) 2020-11-13 2023-01-31 Honeywell International Inc. Methods for separation of azeotrope or azeotrope-like compositions of trifluoroiodomethane (CF3I) and trifluoroacetyl chloride (CF3COCI)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB768830A (en) * 1951-09-18 1957-02-20 Metallgesellschaft Ag Method of working up aqueous liquors containing ammonia
GB768941A (en) * 1951-11-24 1957-02-27 Ruetgerswerke Ag Separation of phenols from aromatic iso-propyl compounds by distillation
GB1044446A (en) * 1963-03-30 1966-09-28 Inst Chemii Ogolnej Improvements in or relating to a method of distilling chemical substances
FR1488756A (fr) * 1965-08-06 1967-07-13 Union Carbide Corp Distillation extractive
GB1090176A (en) * 1965-05-28 1967-11-08 Union Rheinische Braunkohlen Process for the separation of low boiling aliphatic dienes from mono-olefines and paraffins or mono-olefines from paraffins
US3477856A (en) * 1965-11-10 1969-11-11 Us Agriculture Process for extraction of flavors
DE2340566A1 (de) * 1973-08-10 1975-02-27 Peter Siegfried Verfahren zur trennung von stoffgemischen durch extraktive destillation
US3969196A (en) * 1963-04-16 1976-07-13 Studiengesellschaft Kohle M.B.H. Process for the separation of mixtures of substances

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2281865A (en) * 1935-03-22 1942-05-05 Shell Dev Process for separating high molecular mixtures
US2130147A (en) * 1935-12-09 1938-09-13 Shell Dev Process for separating high molecular mixtures
US2282982A (en) * 1939-05-26 1942-05-12 American Cyanamid And Chemical Process of steam fractionation
US3098107A (en) * 1959-05-22 1963-07-16 Linde Eismasch Ag Method for producing ethylene
US3423293A (en) * 1965-02-04 1969-01-21 Robert B Holden Apparatus for vapor compression distillation of impure water
US3568457A (en) * 1969-03-05 1971-03-09 Universal Oil Prod Co Separation of propane and propylene by distillation
AT313039B (de) * 1971-05-07 1974-01-25 Studiengesellschaft Kohle Mbh Verfahren zur Gewinnung von Coffein aus Rohkaffee
US3966981A (en) * 1974-11-26 1976-06-29 The United States Of America As Represented By The Secretary Of Agriculture Process for removing residual solvents
US4035243A (en) * 1976-04-28 1977-07-12 Jerome Katz Method and apparatus for high volume distillation of liquids
US4177137A (en) * 1977-11-07 1979-12-04 Standard Oil Company Aromatics extraction process
US4161249A (en) * 1978-04-13 1979-07-17 RND Company Web product with marker and method of manufacture

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB768830A (en) * 1951-09-18 1957-02-20 Metallgesellschaft Ag Method of working up aqueous liquors containing ammonia
GB768941A (en) * 1951-11-24 1957-02-27 Ruetgerswerke Ag Separation of phenols from aromatic iso-propyl compounds by distillation
GB1044446A (en) * 1963-03-30 1966-09-28 Inst Chemii Ogolnej Improvements in or relating to a method of distilling chemical substances
US3969196A (en) * 1963-04-16 1976-07-13 Studiengesellschaft Kohle M.B.H. Process for the separation of mixtures of substances
GB1090176A (en) * 1965-05-28 1967-11-08 Union Rheinische Braunkohlen Process for the separation of low boiling aliphatic dienes from mono-olefines and paraffins or mono-olefines from paraffins
FR1488756A (fr) * 1965-08-06 1967-07-13 Union Carbide Corp Distillation extractive
US3477856A (en) * 1965-11-10 1969-11-11 Us Agriculture Process for extraction of flavors
DE2340566A1 (de) * 1973-08-10 1975-02-27 Peter Siegfried Verfahren zur trennung von stoffgemischen durch extraktive destillation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0129459B1 (fr) * 1983-06-09 1986-12-30 Rhone-Poulenc Chimie Procédé de purification d'un mélange eau-alcool en C1-C2-impuretés, issu d'un procédé de fabrication industriel d'alcool en C1-C2 au moyen d'un agent d'extraction

Also Published As

Publication number Publication date
DE3033729A1 (de) 1981-04-09
JPS5656201A (en) 1981-05-18
AU532966B2 (en) 1983-10-20
BE885364A (fr) 1981-03-24
NL8005340A (nl) 1981-03-31
FR2466264B1 (enExample) 1984-12-14
CH642271A5 (fr) 1984-04-13
NL191110B (nl) 1994-09-01
JPS6338203B2 (enExample) 1988-07-28
DE3033729C2 (enExample) 1993-09-09
US4349415A (en) 1982-09-14
NZ194955A (en) 1983-09-30
CA1157419A (en) 1983-11-22
AU6233980A (en) 1981-04-02
IT1129182B (it) 1986-06-04
IT8068492A0 (it) 1980-09-26
ZA805733B (en) 1981-10-28
GB2059787B (en) 1984-05-10
GB2059787A (en) 1981-04-29
NL191110C (nl) 1995-02-01
BR8006241A (pt) 1981-04-07
SE8006723L (sv) 1981-03-29

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