ZA986161B - Treatment of formaldehyde-containing mixtures - Google Patents

Treatment of formaldehyde-containing mixtures

Info

Publication number
ZA986161B
ZA986161B ZA986161A ZA986161A ZA986161B ZA 986161 B ZA986161 B ZA 986161B ZA 986161 A ZA986161 A ZA 986161A ZA 986161 A ZA986161 A ZA 986161A ZA 986161 B ZA986161 B ZA 986161B
Authority
ZA
South Africa
Prior art keywords
formaldehyde
liquid
stream
carboxylic acid
water
Prior art date
Application number
ZA986161A
Other languages
English (en)
Inventor
Stephen Patrick Harrison
William David Parten
John Stuart Martin
Original Assignee
Ici Plc
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 Ici Plc filed Critical Ici Plc
Publication of ZA986161B publication Critical patent/ZA986161B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
    • C07C67/343—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/353—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by isomerisation; by change of size of the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
ZA986161A 1997-07-11 1998-07-10 Treatment of formaldehyde-containing mixtures ZA986161B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9714540.3A GB9714540D0 (en) 1997-07-11 1997-07-11 Process for the production of methyl methacrylate

Publications (1)

Publication Number Publication Date
ZA986161B true ZA986161B (en) 1999-01-22

Family

ID=10815648

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA986161A ZA986161B (en) 1997-07-11 1998-07-10 Treatment of formaldehyde-containing mixtures

Country Status (21)

Country Link
US (1) US6384268B1 (cs)
EP (1) EP0998443B1 (cs)
JP (1) JP4246376B2 (cs)
KR (1) KR100591625B1 (cs)
CN (1) CN1111151C (cs)
AT (1) ATE218532T1 (cs)
AU (1) AU732866B2 (cs)
BR (1) BR9810581B1 (cs)
CA (1) CA2289482C (cs)
CZ (1) CZ293845B6 (cs)
DE (1) DE69805799T2 (cs)
ES (1) ES2174455T3 (cs)
GB (1) GB9714540D0 (cs)
HU (1) HUP0003518A3 (cs)
ID (1) ID22967A (cs)
MY (1) MY121313A (cs)
PL (1) PL195077B1 (cs)
RU (1) RU2217413C2 (cs)
TW (1) TW460448B (cs)
WO (1) WO1999002480A1 (cs)
ZA (1) ZA986161B (cs)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0809332D0 (en) * 2008-05-22 2008-07-02 Lucite Int Uk Ltd Production of ethylenically unsaturated acids or esters thereof
JP5507111B2 (ja) * 2008-05-30 2014-05-28 ローム アンド ハース カンパニー 水性（メタ）アクリル酸の製造方法
KR101821380B1 (ko) * 2008-12-18 2018-03-08 루사이트 인터내셔널 유케이 리미티드 메틸 메타크릴레이트의 정제 방법
GB201011092D0 (en) * 2010-07-01 2010-08-18 Lucite Int Uk Ltd A catalyst system and a process for the production of ethylenically unsaturated carboxylic acids or esters
TWI487695B (zh) * 2011-10-07 2015-06-11 Purification of methyl methacrylate
US9120743B2 (en) * 2013-06-27 2015-09-01 Celanese International Corporation Integrated process for the production of acrylic acids and acrylates
CN106699560B (zh) * 2015-11-18 2020-08-14 上海浦景化工技术股份有限公司 一种含甲基丙烯酸甲酯的物流的分离设备与分离方法
GB201621985D0 (en) * 2016-12-22 2017-02-08 Johnson Matthey Davy Technologies Ltd Process
CN108129315B (zh) * 2017-12-19 2020-10-02 万华化学集团股份有限公司 一种从含有羧酸酯的物流中脱除甲醛和甲醇的方法及应用
CN111574374B (zh) * 2020-06-22 2022-08-23 北京旭阳科技有限公司 一种甲基丙烯酸甲酯粗产品的分离方法及分离设备
CN112409178A (zh) * 2020-11-25 2021-02-26 西南化工研究设计院有限公司 一种以醋酸甲酯为原料制备甲基丙烯酸甲酯的方法
CN112457193B (zh) * 2020-11-25 2022-05-17 西南化工研究设计院有限公司 一种以醋酸甲酯为原料制备丙酸甲酯的方法
CN112374989B (zh) * 2020-11-25 2022-05-17 西南化工研究设计院有限公司 一种含甲醛和甲醇混合物的分离方法
CN114292186A (zh) * 2022-01-14 2022-04-08 万华化学集团股份有限公司 一种高纯度mma的制备方法
KR102662265B1 (ko) 2022-04-06 2024-04-30 애경케미칼주식회사 암모니아 및 자일렌을 이용한 아미노-포름알데하이드 수지 잔류 포름알데하이드의 고효율 제거방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1107234A (en) * 1965-10-22 1968-03-27 Air Reduction Production of acrylate and methacrylate esters
US3440276A (en) * 1965-12-29 1969-04-22 Commercial Solvents Corp Process for preparing acrylic esters

Also Published As

Publication number Publication date
TW460448B (en) 2001-10-21
AU732866B2 (en) 2001-05-03
CN1111151C (zh) 2003-06-11
BR9810581B1 (pt) 2009-08-11
ES2174455T3 (es) 2002-11-01
GB9714540D0 (en) 1997-09-17
KR20010021642A (ko) 2001-03-15
EP0998443B1 (en) 2002-06-05
ID22967A (id) 1999-12-23
ATE218532T1 (de) 2002-06-15
US6384268B1 (en) 2002-05-07
EP0998443A1 (en) 2000-05-10
CN1260777A (zh) 2000-07-19
DE69805799D1 (de) 2002-07-11
DE69805799T2 (de) 2003-01-02
WO1999002480A1 (en) 1999-01-21
JP2001509498A (ja) 2001-07-24
BR9810581A (pt) 2000-09-19
CA2289482C (en) 2007-02-20
CZ200037A3 (cs) 2000-05-17
AU8234398A (en) 1999-02-08
HUP0003518A2 (hu) 2001-02-28
PL195077B1 (pl) 2007-08-31
CZ293845B6 (cs) 2004-08-18
RU2217413C2 (ru) 2003-11-27
JP4246376B2 (ja) 2009-04-02
PL337969A1 (en) 2000-09-11
HUP0003518A3 (en) 2003-07-28
CA2289482A1 (en) 1999-01-21
MY121313A (en) 2006-01-28
KR100591625B1 (ko) 2006-06-21

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