ZA986161B - Treatment of formaldehyde-containing mixtures - Google Patents
Treatment of formaldehyde-containing mixturesInfo
- 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
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title abstract 15
- 239000000203 mixture Substances 0.000 title abstract 3
- 239000007788 liquid Substances 0.000 abstract 2
- 238000000622 liquid--liquid extraction Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 238000000638 solvent extraction Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 abstract 1
- 239000008346 aqueous phase Substances 0.000 abstract 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 abstract 1
- 150000001733 carboxylic acid esters Chemical class 0.000 abstract 1
- 239000012074 organic phase Substances 0.000 abstract 1
- 239000012071 phase Substances 0.000 abstract 1
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)
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)
| 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 |
| SG171807A1 (en) * | 2008-12-18 | 2011-07-28 | Lucite Int Uk Ltd | Methyl methacrylate purification process |
| 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 |
| 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 |
| 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 |
| 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 (3)
| 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 |
| US3535371A (en) * | 1965-12-29 | 1970-10-20 | Commercial Solvents Corp | Process for the preparation of acrylic esters |
-
1997
- 1997-07-11 GB GBGB9714540.3A patent/GB9714540D0/en active Pending
-
1998
- 1998-07-10 RU RU2000103219/04A patent/RU2217413C2/ru not_active IP Right Cessation
- 1998-07-10 EP EP98932414A patent/EP0998443B1/en not_active Expired - Lifetime
- 1998-07-10 AU AU82343/98A patent/AU732866B2/en not_active Ceased
- 1998-07-10 WO PCT/GB1998/002026 patent/WO1999002480A1/en active IP Right Grant
- 1998-07-10 ID IDW991563A patent/ID22967A/id unknown
- 1998-07-10 HU HU0003518A patent/HUP0003518A3/hu unknown
- 1998-07-10 KR KR1020007000200A patent/KR100591625B1/ko not_active Expired - Lifetime
- 1998-07-10 BR BRPI9810581-7A patent/BR9810581B1/pt not_active IP Right Cessation
- 1998-07-10 CN CN98806291A patent/CN1111151C/zh not_active Expired - Lifetime
- 1998-07-10 DE DE69805799T patent/DE69805799T2/de not_active Expired - Lifetime
- 1998-07-10 AT AT98932414T patent/ATE218532T1/de not_active IP Right Cessation
- 1998-07-10 PL PL98337969A patent/PL195077B1/pl not_active IP Right Cessation
- 1998-07-10 JP JP2000502010A patent/JP4246376B2/ja not_active Expired - Lifetime
- 1998-07-10 CZ CZ200037A patent/CZ293845B6/cs not_active IP Right Cessation
- 1998-07-10 CA CA002289482A patent/CA2289482C/en not_active Expired - Fee Related
- 1998-07-10 ZA ZA986161A patent/ZA986161B/xx unknown
- 1998-07-10 MY MYPI98003176A patent/MY121313A/en unknown
- 1998-07-10 ES ES98932414T patent/ES2174455T3/es not_active Expired - Lifetime
- 1998-07-16 TW TW087111573A patent/TW460448B/zh not_active IP Right Cessation
-
2000
- 2000-01-11 US US09/481,564 patent/US6384268B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| HUP0003518A3 (en) | 2003-07-28 |
| DE69805799D1 (de) | 2002-07-11 |
| PL337969A1 (en) | 2000-09-11 |
| KR20010021642A (ko) | 2001-03-15 |
| KR100591625B1 (ko) | 2006-06-21 |
| CZ293845B6 (cs) | 2004-08-18 |
| DE69805799T2 (de) | 2003-01-02 |
| JP2001509498A (ja) | 2001-07-24 |
| GB9714540D0 (en) | 1997-09-17 |
| HUP0003518A2 (hu) | 2001-02-28 |
| AU8234398A (en) | 1999-02-08 |
| EP0998443B1 (en) | 2002-06-05 |
| RU2217413C2 (ru) | 2003-11-27 |
| AU732866B2 (en) | 2001-05-03 |
| ID22967A (id) | 1999-12-23 |
| PL195077B1 (pl) | 2007-08-31 |
| CZ200037A3 (cs) | 2000-05-17 |
| JP4246376B2 (ja) | 2009-04-02 |
| CA2289482A1 (en) | 1999-01-21 |
| ES2174455T3 (es) | 2002-11-01 |
| WO1999002480A1 (en) | 1999-01-21 |
| CN1111151C (zh) | 2003-06-11 |
| CN1260777A (zh) | 2000-07-19 |
| TW460448B (en) | 2001-10-21 |
| EP0998443A1 (en) | 2000-05-10 |
| BR9810581B1 (pt) | 2009-08-11 |
| CA2289482C (en) | 2007-02-20 |
| BR9810581A (pt) | 2000-09-19 |
| US6384268B1 (en) | 2002-05-07 |
| MY121313A (en) | 2006-01-28 |
| ATE218532T1 (de) | 2002-06-15 |
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