SG54524A1 - A process for the separation of dimethyl ether and chloromethane in mixtures - Google Patents

A process for the separation of dimethyl ether and chloromethane in mixtures

Info

Publication number: SG54524A1
Authority: SG; Singapore
Prior art keywords: chloromethane; mixtures; separation; dimethyl ether; dimethyl
Prior art date: 1996-06-25

Application number

SG1997002151A

Other languages

English (en)

Inventor

Peter Roth

Erhard Leistner

Hans Haverkamp

Wolfgang Wendel

Michael Kleiber

Original Assignee

Hoechst 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.)

1996-06-25

Filing date

1997-06-25

Publication date

1998-11-16

1997-06-25 Application filed by Hoechst Ag filed Critical Hoechst Ag

1998-11-16 Publication of SG54524A1 publication Critical patent/SG54524A1/en

Links

LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 title 2
NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 title 2
238000000034 method Methods 0.000 title 1
239000000203 mixture Substances 0.000 title 1
238000000926 separation method Methods 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/34—Separation; Purification; Stabilisation; Use of additives
- C07C41/40—Separation; Purification; Stabilisation; Use of additives by change of physical state, e.g. by crystallisation
- C07C41/42—Separation; Purification; Stabilisation; Use of additives by change of physical state, e.g. by crystallisation by distillation
- 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
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/08—Waste heat

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Crystallography & Structural Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

SG1997002151A 1996-06-25 1997-06-25 A process for the separation of dimethyl ether and chloromethane in mixtures SG54524A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19625284A DE19625284A1 (de)	1996-06-25	1996-06-25	Verfahren zur Trennung von Gemischen aus Dimethylether und Chlormethan

Publications (1)

Publication Number	Publication Date
SG54524A1 true SG54524A1 (en)	1998-11-16

Family

ID=7797888

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SG1997002151A SG54524A1 (en)	1996-06-25	1997-06-25	A process for the separation of dimethyl ether and chloromethane in mixtures

Country Status (11)

Country	Link
US (1)	US5882485A (ja)
EP (1)	EP0816314B1 (ja)
JP (1)	JPH1059876A (ja)
KR (1)	KR980000523A (ja)
CN (1)	CN1073541C (ja)
AU (1)	AU2617797A (ja)
DE (2)	DE19625284A1 (ja)
ID (1)	ID17730A (ja)
MY (1)	MY130981A (ja)
SG (1)	SG54524A1 (ja)
ZA (1)	ZA975580B (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10101942A1 (de) *	2001-01-17	2002-07-18	Basf Ag	Verfahren zur Trennung azeotroper Gemische
US7393990B2 (en) *	2001-06-26	2008-07-01	Exxonmobil Chemical Patents Inc.	Production of light olefins from oxygenate using framework gallium-containing medium pore molecular sieve
WO2010102139A2 (en) *	2009-03-05	2010-09-10	Dow Global Technologies, Inc.	Methods and assemblies for liquid-phase reactions
US8378150B2 (en) *	2009-08-12	2013-02-19	Catalytic Distillation Technologies	Process for the production of dimethyl ether
CN103787884B (zh) *	2012-10-29	2015-10-21	中国石油化工股份有限公司	一种三元萃取剂的应用和从聚烯烃材料中萃取抗氧剂1010的方法
TWI848259B (zh) *	2014-10-16	2024-07-11	捷克商史波克專業化學杭尼維洛普合股公司	用於製造高純度氯化烷烴的方法
CN104926595A (zh) *	2015-05-15	2015-09-23	大连理工大学	水吸收脱除氯甲烷中二甲醚杂质的分离工艺
CN106693434A (zh) *	2015-08-05	2017-05-24	南通鸿志化工有限公司	一种加盐萃取精馏装置
CN109206291A (zh) *	2017-07-04	2019-01-15	天津中福泰克化工科技有限公司	一种氯甲烷-二甲醚的分离方法
CN110204417A (zh) *	2019-06-21	2019-09-06	江苏明珠硅橡胶材料有限公司	一种一氯甲烷提纯的方法
CN110922292B (zh) *	2019-08-07	2022-04-22	北京诺维新材科技有限公司	一种氯甲烷的制备方法
CN112573995A (zh) *	2020-12-11	2021-03-30	安徽金禾实业股份有限公司	一种麦芽酚生产过程中副产氯甲烷的回收方法
US11840462B2 (en)	2021-01-04	2023-12-12	Massachusetts Institute Of Technology	Switchable system for high-salinity brine desalination and fractional precipitation
CN117753036A (zh) *	2023-12-20	2024-03-26	黄河三角洲京博化工研究院有限公司	一种分离氯甲烷和异丁烷混合物的装置及方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2421441A (en) *	1944-11-15	1947-06-03	Du Pont	Purification of methyl chloride
US3847756A (en) *	1972-11-09	1974-11-12	Eastman Kodak Co	Recovery of diethyl ether from an olefin hydration product stream by extractive distillation with water
JPS5231842B2 (ja) *	1973-10-06	1977-08-17
DD142183A1 (de) *	1979-02-27	1980-06-11	Berger Karl Heinz	Verfahren zur trennung von wasser,methanol und chlormethanen
DE3024147C2 (de) *	1980-06-27	1983-05-05	Edeleanu Gmbh, 6000 Frankfurt	Verfahren zur Auftrennung der bei der Verätherung von niederen i-Olefinen mit Methanol anfallenden Reaktionsprodukte
DE3038497C2 (de) *	1980-10-11	1983-11-10	Bayer Ag, 5090 Leverkusen	Verfahren und Vorrichtung zur Trennung von ein Azeotrop bildenden Gemischen
FR2504522A1 (fr) *	1981-04-24	1982-10-29	Inst Francais Du Petrole	Procede de purification d'une coupe c4 et/ou c5 d'hydrocarbures renfermant de l'eau et du dimethylether comme impuretes
DE3150755A1 (de) *	1981-12-22	1983-06-30	Deutsche Texaco Ag, 2000 Hamburg	"verfahren zur abtrennung von methanol aus den bei der veraetherung von c(pfeil abwaerts)4(pfeil abwaerts) bis c(pfeil abwaerts)7(pfeil abwaerts)-isoolefinen mit methanol anfallenden reaktionsprodukten"
JPS59199648A (ja) *	1983-04-27	1984-11-12	Mitsubishi Chem Ind Ltd	ジメチルエ−テルの製造法
DE3620069A1 (de) *	1986-06-14	1988-01-21	Hoechst Ag	Verfahren zur beseitigung von dimethylether in methylchlorid
DE3876790D1 (de) *	1988-05-04	1993-01-28	Rwe Dea Ag	Verbessertes verfahren zur herstellung von reinem dimethylether.
DE3912094A1 (de) *	1989-04-13	1990-10-25	Rwe Dea Ag	Verfahren zur gewinnung von c(pfeil abwaerts)3(pfeil abwaerts) bis c(pfeil abwaerts)4(pfeil abwaerts) -monoalkylchloriden
US5122236A (en) *	1990-05-21	1992-06-16	Smith Jr Lawrence A	Method for removal of dimethyl ether and methanol from c4 hydrocarbon streams
US5092966A (en) *	1991-04-01	1992-03-03	Lloyd Berg	Separation of methylene chloride from ethyl ether by extractive distillation
FR2711986B1 (fr) *	1993-11-05	1996-02-02	Inst Francais Du Petrole	Procédé de séparation des composés oxygénés d'hydrocarbures, combinant une distillation et une perméation et son utilisation en éthérification.
US5430197A (en) *	1994-02-22	1995-07-04	Chemica Research & Licensing Company	Recovery of alcohol from hydrocarbon streams

1996
- 1996-06-25 DE DE19625284A patent/DE19625284A1/de not_active Withdrawn
1997
- 1997-06-19 DE DE59705342T patent/DE59705342D1/de not_active Expired - Fee Related
- 1997-06-19 ID IDP972111A patent/ID17730A/id unknown
- 1997-06-19 EP EP97109996A patent/EP0816314B1/de not_active Expired - Lifetime
- 1997-06-20 AU AU26177/97A patent/AU2617797A/en not_active Abandoned
- 1997-06-23 CN CN97113919A patent/CN1073541C/zh not_active Expired - Fee Related
- 1997-06-23 US US08/880,338 patent/US5882485A/en not_active Expired - Fee Related
- 1997-06-23 MY MYPI97002816A patent/MY130981A/en unknown
- 1997-06-24 ZA ZA9705580A patent/ZA975580B/xx unknown
- 1997-06-24 JP JP9167694A patent/JPH1059876A/ja not_active Withdrawn
- 1997-06-24 KR KR1019970026642A patent/KR980000523A/ko not_active Ceased
- 1997-06-25 SG SG1997002151A patent/SG54524A1/en unknown

Also Published As

Publication number	Publication date
KR980000523A (ko)	1998-03-30
JPH1059876A (ja)	1998-03-03
DE59705342D1 (de)	2001-12-20
CN1176956A (zh)	1998-03-25
US5882485A (en)	1999-03-16
MY130981A (en)	2007-07-31
ZA975580B (en)	1997-12-29
ID17730A (id)	1998-01-22
DE19625284A1 (de)	1998-01-02
AU2617797A (en)	1998-01-15
EP0816314A1 (de)	1998-01-07
CN1073541C (zh)	2001-10-24
EP0816314B1 (de)	2001-11-14

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