DE69514535T2 - Verfahren zur raffinierung von methylal - Google Patents

Verfahren zur raffinierung von methylal

Info

Publication number
DE69514535T2
DE69514535T2 DE69514535T DE69514535T DE69514535T2 DE 69514535 T2 DE69514535 T2 DE 69514535T2 DE 69514535 T DE69514535 T DE 69514535T DE 69514535 T DE69514535 T DE 69514535T DE 69514535 T2 DE69514535 T2 DE 69514535T2
Authority
DE
Germany
Prior art keywords
methylal
refining
refining methylal
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
DE69514535T
Other languages
English (en)
Other versions
DE69514535D1 (de
Inventor
Yoshio Tanaka
Shigeru Yamamoto
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Publication of DE69514535D1 publication Critical patent/DE69514535D1/de
Application granted granted Critical
Publication of DE69514535T2 publication Critical patent/DE69514535T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C07C41/48—Preparation of compounds having groups
    • C07C41/58—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
DE69514535T 1994-10-07 1995-09-28 Verfahren zur raffinierung von methylal Expired - Lifetime DE69514535T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6243662A JP2786823B2 (ja) 1994-10-07 1994-10-07 メチラ−ルの精製法
PCT/JP1995/001974 WO1996011178A1 (fr) 1994-10-07 1995-09-28 Procede de raffinage du methylal

Publications (2)

Publication Number Publication Date
DE69514535D1 DE69514535D1 (de) 2000-02-17
DE69514535T2 true DE69514535T2 (de) 2000-08-10

Family

ID=17107144

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69514535T Expired - Lifetime DE69514535T2 (de) 1994-10-07 1995-09-28 Verfahren zur raffinierung von methylal

Country Status (6)

Country Link
US (1) US6160185A (de)
EP (1) EP0785182B1 (de)
JP (1) JP2786823B2 (de)
CN (1) CN1058696C (de)
DE (1) DE69514535T2 (de)
WO (1) WO1996011178A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6379507B1 (en) * 1998-08-03 2002-04-30 Asahi Kasei Kabushiki Kaisha Process for producing methylal
DE102004059334A1 (de) * 2004-12-09 2006-06-22 Ticona Gmbh Verfahren zur Herstellung von Acetalen
CN100383099C (zh) * 2006-02-15 2008-04-23 江阴市华凤化工植绒有限公司 将低浓度甲缩醛脱除杂质获得高纯度甲缩醛的方法
CN101302143B (zh) * 2007-05-10 2012-05-23 南京林业大学 工业级甲缩醛的提纯方法
CN101597117B (zh) * 2009-06-23 2011-08-03 南京大学 一种工业甲醛废水的治理及资源化回收工艺
CN101857534A (zh) * 2010-06-03 2010-10-13 濮阳市普天化工有限公司 一种合成甲缩醛的工艺
CN104447241A (zh) * 2014-11-20 2015-03-25 赛鼎工程有限公司 一种甲缩醛与甲醇分离的工艺
CN112225650B (zh) * 2019-07-15 2023-06-06 中国石油化工股份有限公司 工业级甲缩醛提纯获得高纯度甲缩醛的精制方法
CN110776403A (zh) * 2019-11-06 2020-02-11 重庆云天化天聚新材料有限公司 一种生产高纯度甲缩醛的方法
CN113457193B (zh) * 2021-06-25 2023-01-17 济南大学 一种分离甲醇-甲缩醛-甲酸甲酯混合物的装置及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1127339B (de) * 1960-11-22 1962-04-12 Wacker Chemie Gmbh Verfahren zur Gewinnung von alkohol- und wasserfreien Acetalen durch extraktive Destillation
JPS56147739A (en) * 1980-04-17 1981-11-16 Seitetsu Kagaku Co Ltd Purification of methylal
DE3147320A1 (de) * 1981-11-28 1983-06-01 Chemische Werke Hüls AG, 4370 Marl Verfahren zur gewinnung reinen methylals
US4421535A (en) * 1982-05-03 1983-12-20 El Paso Hydrocarbons Company Process for recovery of natural gas liquids from a sweetened natural gas stream
JPH0356134A (ja) * 1990-06-28 1991-03-11 Asahi Chem Ind Co Ltd 反応蒸留装置

Also Published As

Publication number Publication date
EP0785182A1 (de) 1997-07-23
CN1058696C (zh) 2000-11-22
EP0785182A4 (de) 1997-08-27
EP0785182B1 (de) 2000-01-12
CN1160392A (zh) 1997-09-24
US6160185A (en) 2000-12-12
JPH08104659A (ja) 1996-04-23
JP2786823B2 (ja) 1998-08-13
WO1996011178A1 (fr) 1996-04-18
DE69514535D1 (de) 2000-02-17

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Legal Events

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8364 No opposition during term of opposition