SG49573A1 - Aldolisation-dehydration process - Google Patents

Aldolisation-dehydration process

Info

Publication number
SG49573A1
SG49573A1 SG1995001941A SG1995001941A SG49573A1 SG 49573 A1 SG49573 A1 SG 49573A1 SG 1995001941 A SG1995001941 A SG 1995001941A SG 1995001941 A SG1995001941 A SG 1995001941A SG 49573 A1 SG49573 A1 SG 49573A1
Authority
SG
Singapore
Prior art keywords
aldehyde
aldolisation
section
distillation
catalyst solution
Prior art date
Application number
SG1995001941A
Other languages
English (en)
Inventor
George Edwin Harrison
Arthur James Reason
Alan James Dennis
Mohammad Sharif
Original Assignee
Davy Process Techn Ltd
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 Davy Process Techn Ltd filed Critical Davy Process Techn Ltd
Publication of SG49573A1 publication Critical patent/SG49573A1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/65Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
    • C07C45/66Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups by dehydration
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/72Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/72Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
    • C07C45/74Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups combined with dehydration
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78Separation; Purification; Stabilisation; Use of additives
    • C07C45/81Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78Separation; Purification; Stabilisation; Use of additives
    • C07C45/81Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/584Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Glass Compositions (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
SG1995001941A 1992-04-07 1993-04-07 Aldolisation-dehydration process SG49573A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929207756A GB9207756D0 (en) 1992-04-07 1992-04-07 Process

Publications (1)

Publication Number Publication Date
SG49573A1 true SG49573A1 (en) 1998-06-15

Family

ID=10713712

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1995001941A SG49573A1 (en) 1992-04-07 1993-04-07 Aldolisation-dehydration process

Country Status (24)

Country Link
US (1) US5434313A (ko)
EP (2) EP0751109A1 (ko)
JP (1) JP3618099B2 (ko)
KR (1) KR100278134B1 (ko)
CN (1) CN1058697C (ko)
AT (1) ATE162169T1 (ko)
AU (1) AU659554B2 (ko)
BR (1) BR9306208A (ko)
CA (1) CA2133764A1 (ko)
DE (1) DE69316349T2 (ko)
ES (1) ES2114045T3 (ko)
FI (1) FI944619A (ko)
GB (1) GB9207756D0 (ko)
HU (1) HUT69744A (ko)
IN (1) IN181962B (ko)
MX (1) MX9302044A (ko)
NO (1) NO943694L (ko)
RO (1) RO117969B1 (ko)
RU (1) RU2113429C1 (ko)
SA (1) SA93130546B1 (ko)
SG (1) SG49573A1 (ko)
TW (1) TW241254B (ko)
WO (1) WO1993020034A1 (ko)
ZA (1) ZA932451B (ko)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5667644A (en) * 1995-02-13 1997-09-16 Mitsubishi Chemical Corporation Method for producing a dimerized aldehyde
GB9519975D0 (en) * 1995-09-28 1995-11-29 Davy Process Techn Ltd Process
EP0838435A1 (en) 1996-10-25 1998-04-29 Kvaerner Process Technology Limited Process and plant for treating an aqueous waste stream containing alkali metal carboxylates
DE19956410A1 (de) * 1999-11-24 2001-05-31 Oxeno Olefinchemie Gmbh Verfahren zur Durchführung von Aldolkondensationen
ATE493374T1 (de) 2002-04-26 2011-01-15 Basf Se Alkoxylatgemische und diese enthaltende waschmittel
JP4112500B2 (ja) 2002-04-26 2008-07-02 ビーエーエスエフ ソシエタス・ヨーロピア C10−アルカノールアルコキシラート類及びその使用
WO2003091192A1 (de) * 2002-04-26 2003-11-06 Basf Aktiengesellschaft C10 -alkanolalkoxylat-gemische und ihre verwendung
DE10243366A1 (de) 2002-09-18 2004-04-01 Basf Ag Herstellung von Alkoxylaten bei optimierten Reaktionsdrücken
DE10249912A1 (de) 2002-10-26 2004-05-06 Oxeno Olefinchemie Gmbh Benzoesäureisodecyclestergemische, Herstellung und deren Verwendung
US6960694B2 (en) * 2003-07-01 2005-11-01 Eastman Chemical Company Processes for preparing β-hydroxy-ketones and α,β-unsaturated ketones
DE10348420A1 (de) * 2003-10-14 2005-05-25 Basf Ag C10-Alkanolalkoxylat-Gemische und ihre Verwendung - Neue schaumarme Netzer
US7071361B2 (en) * 2004-06-25 2006-07-04 Fastman Chemical Company Processes for the preparation of high molecular weight saturated ketones
AR051861A1 (es) * 2004-12-24 2007-02-14 Basf Ag Composicion acuosa, procedimiento para extraer metales y utilizacion de agentes tensioactivos no ionicos en la extraccion de metal.
US7291748B2 (en) * 2005-07-28 2007-11-06 Basf Corporation C10/C7 ester mixtures based on 2-propylheptanol
WO2008068307A2 (en) * 2006-12-07 2008-06-12 Basf Se Compositions and kits comprising a fungicidal triazole and an alkoxylated alcohol, and their uses
WO2008092809A1 (de) * 2007-01-29 2008-08-07 Basf Se Verzweigte decylnitrate und ihre verwendung als verbrennungsverbesserer und/oder cetanzahlverbesserer in kraftstoffen
TW201031743A (en) 2008-12-18 2010-09-01 Basf Se Surfactant mixture comprising branched short-chain and branched long-chain components
DE102009001594A1 (de) * 2009-03-17 2010-09-30 Evonik Oxeno Gmbh Verfahren zur Herstellung von alpha, beta-ungesättigten C10-Aldehyden
DE102009028976A1 (de) 2009-08-28 2011-03-03 Evonik Oxeno Gmbh Ester der 2,5-Furandicarbonsäure mit isomeren Decanolen und ihre Verwendung
DE102009045139A1 (de) * 2009-09-30 2011-03-31 Evonik Oxeno Gmbh Herstellung von alpha,beta-ungesättigten Aldehyden mittels einer Reaktionsmischpumpe
WO2011054782A1 (de) 2009-11-05 2011-05-12 Basf Se Kleb- und dichtstoffe enthaltend ester auf basis von 2-propylheptanol
SG187691A1 (en) 2010-08-03 2013-03-28 Basf Se Carrier fluids for abrasives
US9365715B2 (en) 2010-12-23 2016-06-14 Styrolution Europe Gmbh Thermoplastic elastomer composition and method for the production thereof
DE102011121087A1 (de) 2011-12-14 2013-06-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur katalytischen Kondensation oder Kopplung
US8742177B2 (en) 2011-12-28 2014-06-03 Rohm And Haas Company Catalyst and process to produce branched unsaturated aldehydes
CN104204161B (zh) 2012-02-01 2017-05-17 巴斯夫欧洲公司 用于晶片生产的冷却和/或润滑流体
US9006495B2 (en) 2012-11-30 2015-04-14 Basf Se Process for the catalytic aldol condensation of aldehydes
JP6362612B2 (ja) 2012-11-30 2018-07-25 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se 触媒を用いてアルデヒドをアルドール縮合するための方法
TWI654177B (zh) 2013-10-31 2019-03-21 德商巴斯夫歐洲公司 製備羧酸酯的方法及其作爲塑化劑的用途
ES2675527T3 (es) 2013-12-06 2018-07-11 Basf Se Composición plastificante que contiene derivados de tetrahidrofurano y ésteres de ácido 1,2-ciclohexano dicarboxílico
RU2016132589A (ru) 2014-01-09 2018-02-12 Басф Се Композиция пластификатора, которая содержит производные фурана и сложные эфиры 1,2-циклогександикарбоновой кислоты
RU2016145450A (ru) 2014-04-22 2018-05-22 Басф Се Способ получения сложных эфиров карбоновых кислот в присутствии ионной жидкости и кислотного катализатора этерификации и их применение в качестве пластификатора
DE102015207291A1 (de) 2014-04-24 2016-03-10 Basf Se Weichmacher-Zusammensetzung, die Furanderivate und 1,2-Cyclohexandicarbonsäureester enthält
FR3021314B1 (fr) * 2014-05-26 2016-05-13 Rhodia Operations Procede de preparation de composes p-hydroxymandeliques en reacteurs agites
TW201609628A (zh) 2014-07-08 2016-03-16 巴斯夫歐洲公司 包含脂族二羧酸二酯及對苯二甲酸二烷基酯之塑化劑組成物
TW201605945A (zh) 2014-07-08 2016-02-16 巴斯夫歐洲公司 包含二羧酸的酯及1,2-環己烷二羧酸的酯之模製化合物
TWI706979B (zh) 2014-08-19 2020-10-11 德商巴斯夫歐洲公司 包含聚合二羧酸酯的塑化劑組成物
TWI686444B (zh) 2014-09-04 2020-03-01 德商巴斯夫歐洲公司 包含聚合二羧酸酯的塑化劑組成物
DE202014007140U1 (de) 2014-09-08 2014-10-22 Basf Se Öl-basierte Bohrflüssigkeiten mit Copolymeren aus Styrol, (Meth)acrylaten von C10-Alkoholgemischen und (Meth)acrylsäure
DE202014007136U1 (de) 2014-09-08 2014-10-16 Basf Se Härtbare Zusammensetzung, hergestellt mit einem aus (Meth)acrylaten von C10-Alkoholgemischen aufgebauten Copolymer
TW201619119A (zh) 2014-10-09 2016-06-01 巴斯夫歐洲公司 包含飽和二羧酸之環烷基酯及1,2-環己烷二羧酸酯的塑化劑組成物
TW201619120A (zh) 2014-10-09 2016-06-01 巴斯夫歐洲公司 包含飽和二羧酸之環烷基酯及對苯二甲酯之塑化劑組成物
CN107001523A (zh) 2014-11-10 2017-08-01 巴斯夫欧洲公司 乙烯‑(甲基)丙烯酸丙基庚基酯共聚物
RU2706647C2 (ru) 2015-01-30 2019-11-19 Басф Се Пластифицирующая композиция, содержащая полимерные сложные эфиры дикарбоновых кислот и диалкиловые сложные эфиры терефталевой кислоты
EP3356457B2 (de) 2015-09-30 2022-12-21 Basf Se Weichmacher-zusammensetzung, die polymere dicarbonsäureester und 1,2-cyclohexandicarbonsäureester enthält
US20180282511A1 (en) 2015-09-30 2018-10-04 Basf Se Plasticizer composition containing polymeric dicarboxylic acid esters and terephthalic acid dialkyl esters
EP3356459B1 (de) 2015-09-30 2019-11-13 Basf Se Weichmacher-zusammensetzung, die polymere dicarbonsäureester und dicarbonsäurediester enthält
RU2729055C2 (ru) 2016-01-20 2020-08-04 Басф Се Пластифицирующая композиция, которая содержит алифатический сложный эфир дикарбоновой кислоты и сложный диэфир, выбранный из сложных эфиров 1,2-циклогександикарбоновой кислоты и сложных эфиров терефталевой кислоты
EP3433309B1 (de) 2016-03-23 2020-05-13 Basf Se Polymer-zusammensetzung, enthaltend einen cycloalkyl-alkyl-dicarbonsäurediester als weichmacher
WO2018024591A1 (de) 2016-08-01 2018-02-08 Basf Se Weichmacher-zusammensetzung
WO2018024597A1 (de) 2016-08-01 2018-02-08 Basf Se Weichmacher-zusammensetzung
EP3491054A1 (de) 2016-08-01 2019-06-05 Basf Se Weichmacher-zusammensetzung
ES2714899T3 (es) 2016-09-30 2019-05-30 Oxea Gmbh Método de producción continuo para 2-metilenos-alcanales
GB201617463D0 (en) 2016-10-14 2016-11-30 Johnson Matthey Davy Technologies Limited Process
JP7000457B2 (ja) * 2017-05-25 2022-02-04 ローム アンド ハース カンパニー メタクロレインを調製するためのプロセス
US11214533B2 (en) 2017-06-28 2022-01-04 Dow Global Technologies Llc Readily biodegradable alkoxylate mixtures
WO2019185409A1 (de) 2018-03-29 2019-10-03 Basf Se Pvc-zusammensetzung, enthaltend wenigstens einen weichmacher der wenigstens eine carbonsäureestergruppe aufweist und wenigstens eine carbodiimidverbindung
CN108658742B (zh) * 2018-04-27 2021-08-17 宿迁科思化学有限公司 一种铃兰醛关键中间体对叔丁基-α-甲基苯丙烯醛的制备方法
EP3747860B1 (de) 2019-06-04 2023-07-26 Basf Se Neue weichmacher auf cyclohexanon-basis
EP3786146A1 (de) * 2019-08-30 2021-03-03 Röhm GmbH Verfahren zur herstellung von methacrolein aus formaldehyd und propionaldehyd sowie herstellanlage hierfür
KR102675020B1 (ko) * 2019-10-08 2024-06-14 한화솔루션 주식회사 알돌 축합 반응 장치
CN116063167A (zh) * 2021-11-01 2023-05-05 中国石油化工股份有限公司 一种制备2-丙基-2-庚烯醛的方法及装置和所得2-丙基-2-庚烯醛
GB202213997D0 (en) 2022-09-26 2022-11-09 Johnson Matthey Davy Technologies Ltd Parallel zone hydroformylation reaction
CN117229132B (zh) * 2023-11-10 2024-02-20 济南悟通生物科技有限公司 一种反式-2,4-壬二烯醛的合成方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB549006A (en) * 1940-02-12 1942-11-03 Shell Dev Condensation of carbonylic compounds
FR1036156A (fr) * 1951-04-25 1953-09-04 Melle Usines Sa Procédé de préparation d'aldéhydes aliphatiques non saturées
US3248428A (en) * 1961-12-22 1966-04-26 Exxon Research Engineering Co Aldolization process
GB1010695A (en) * 1961-12-22 1965-11-24 Exxon Research Engineering Co Process for the production of alpha, beta unsaturated carbonyl compounds
DE3106557A1 (de) * 1981-02-21 1982-09-16 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von (alpha)-alkylacroleinen
DE3740293A1 (de) * 1987-11-27 1989-06-01 Hoechst Ag Verfahren zur herstellung von alpha-alkylacroleinen
CA2068489A1 (en) * 1991-05-16 1992-11-17 Masaru Ishino Aldol condensation dehydration catalyst, a process for preparing the same and a process for preparing an aldol condensation dehydrate using the process

Also Published As

Publication number Publication date
DE69316349D1 (de) 1998-02-19
SA93130546B1 (ar) 2004-08-29
CN1058697C (zh) 2000-11-22
RU94045865A (ru) 1996-08-10
NO943694D0 (no) 1994-10-04
IN181962B (ko) 1998-11-21
JPH07505390A (ja) 1995-06-15
KR100278134B1 (ko) 2001-02-01
RU2113429C1 (ru) 1998-06-20
EP0634994A1 (en) 1995-01-25
EP0634994B1 (en) 1998-01-14
TW241254B (ko) 1995-02-21
MX9302044A (es) 1994-07-29
US5434313A (en) 1995-07-18
CA2133764A1 (en) 1993-10-14
AU659554B2 (en) 1995-05-18
AU3958793A (en) 1993-11-08
WO1993020034A1 (en) 1993-10-14
HUT69744A (en) 1995-09-28
DE69316349T2 (de) 1998-07-23
ES2114045T3 (es) 1998-05-16
GB9207756D0 (en) 1992-05-27
KR950700869A (ko) 1995-02-20
ZA932451B (en) 1993-10-20
ATE162169T1 (de) 1998-01-15
EP0751109A1 (en) 1997-01-02
NO943694L (no) 1994-12-06
RO117969B1 (ro) 2002-11-29
JP3618099B2 (ja) 2005-02-09
FI944619A0 (fi) 1994-10-04
BR9306208A (pt) 1998-06-23
CN1105012A (zh) 1995-07-12
FI944619A (fi) 1994-10-04

Similar Documents

Publication Publication Date Title
TW241254B (ko)
US4340447A (en) Process for the recovery of pure acetone from cumene hydroperoxide cleavage reaction product
EP0206594B1 (en) Production of methyl tertiary butyl ether from isobutylene
US4431486A (en) Azeotropic distillation of hydroxyacetic acid
US6080894A (en) propylene oxide and styrene monomer co-production procedure
US4474993A (en) Method for the hydrolysis of α-chlorinated toluene compounds
US4559110A (en) Acetophenone recovery and purification
US5146004A (en) Continuous process for the preparation of 2-ethyl-2-(hydroxymethyl) hexanal and 2-butyl-2-theyl-1,3-propanediol
JPH11302224A (ja) メタクリル酸メチルの精製法
US3972951A (en) Process for the formation of 2,6-diphenyl-phenol
US5235118A (en) Continuous process for the preparation of 2-ethyl-2-(hydroxymethyl)hexanal and 2-butyl-2-ethyl-1, 3-propanediol
JPS5826827A (ja) クメンとフエノ−ル及び水との混合物からのクメンの回収方法
US4021493A (en) Vanillin recovery process
US5177267A (en) Continuous process for the recovery of 2 ethylhexanal and a tertiary amine from a mixture comprising 2-ethyl-2-(hydroxymethyl) hexanal, 2-ethylhexanal, tertiary amine and water
JPS6216937B2 (ko)
US5503813A (en) Molybdenum recovery from epoxidate
US20020032350A1 (en) Process for reprocessing mass streams containing mesityl oxide
EP0630363A1 (en) Recovery of acetyl values from ethylidene diacetate
KR100194249B1 (ko) 고순도 하이드록시피브알데히드의 제조방법
PL80699B1 (ko)
JP2767755B2 (ja) α―メチルスチレンの精製方法
NL7906650A (nl) Werkwijze voor de bereiding van een diol.
KR100340637B1 (ko) 프로필렌옥사이드및스티렌단량체를공동으로제조하는방법
JPS62221650A (ja) 2,2−ビス(4−ヒドロキシフエニル)プロパンの製造における未反応アセトンの回収法
TW367322B (en) Process for the purification of acetone