CN1058696C - 精制甲缩醛的方法 - Google Patents

精制甲缩醛的方法 Download PDF

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Publication number
CN1058696C
CN1058696C CN95195524A CN95195524A CN1058696C CN 1058696 C CN1058696 C CN 1058696C CN 95195524 A CN95195524 A CN 95195524A CN 95195524 A CN95195524 A CN 95195524A CN 1058696 C CN1058696 C CN 1058696C
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CN
China
Prior art keywords
methylal
weight
gas
water
methyl alcohol
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
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CN95195524A
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English (en)
Chinese (zh)
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CN1160392A (zh
Inventor
田中义勇
山本繁
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
Original Assignee
Asahi Kasei Kogyo KK
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Application filed by Asahi Kasei Kogyo KK filed Critical Asahi Kasei Kogyo KK
Publication of CN1160392A publication Critical patent/CN1160392A/zh
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Publication of CN1058696C publication Critical patent/CN1058696C/zh
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    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
CN95195524A 1994-10-07 1995-09-28 精制甲缩醛的方法 Expired - Lifetime CN1058696C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6243662A JP2786823B2 (ja) 1994-10-07 1994-10-07 メチラ−ルの精製法
JP243662/94 1994-10-07
JP243662/1994 1994-10-07

Publications (2)

Publication Number Publication Date
CN1160392A CN1160392A (zh) 1997-09-24
CN1058696C true CN1058696C (zh) 2000-11-22

Family

ID=17107144

Family Applications (1)

Application Number Title Priority Date Filing Date
CN95195524A Expired - Lifetime CN1058696C (zh) 1994-10-07 1995-09-28 精制甲缩醛的方法

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (9)

* 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
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58103331A (ja) * 1981-11-28 1983-06-20 ヘミツシエ・ウエルケ・ヒユ−ルス・アクチエンゲゼルシヤフト 純粋なメチラ−ルの取得方法
JPH0356134A (ja) * 1990-06-28 1991-03-11 Asahi Chem Ind Co Ltd 反応蒸留装置

Family Cites Families (3)

* 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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58103331A (ja) * 1981-11-28 1983-06-20 ヘミツシエ・ウエルケ・ヒユ−ルス・アクチエンゲゼルシヤフト 純粋なメチラ−ルの取得方法
JPH0356134A (ja) * 1990-06-28 1991-03-11 Asahi Chem Ind Co Ltd 反応蒸留装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
EP0785182A4 (enExample) 1997-08-27
CN1160392A (zh) 1997-09-24
EP0785182A1 (en) 1997-07-23
US6160185A (en) 2000-12-12
DE69514535T2 (de) 2000-08-10
DE69514535D1 (de) 2000-02-17
JPH08104659A (ja) 1996-04-23
JP2786823B2 (ja) 1998-08-13
EP0785182B1 (en) 2000-01-12
WO1996011178A1 (en) 1996-04-18

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