WO2001090040A3 - Verfahren zur isolierung von polymethylolalkansäuren und zur entsorgung der dabei anfallenden abfallströme - Google Patents
Verfahren zur isolierung von polymethylolalkansäuren und zur entsorgung der dabei anfallenden abfallströme Download PDFInfo
- Publication number
- WO2001090040A3 WO2001090040A3 PCT/EP2001/005816 EP0105816W WO0190040A3 WO 2001090040 A3 WO2001090040 A3 WO 2001090040A3 EP 0105816 W EP0105816 W EP 0105816W WO 0190040 A3 WO0190040 A3 WO 0190040A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mother liquor
- alkanoic acids
- resulting
- crystallized product
- isolating
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/285—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with peroxy-compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001586231A JP2003534304A (ja) | 2000-05-26 | 2001-05-21 | ポリメチロールアルカン酸を単離しかつ生じる廃棄物流を廃棄する方法 |
EP01960232A EP1289922A2 (de) | 2000-05-26 | 2001-05-21 | Verfahren zur isolierung von polymethylolalkansäuren und zur entsorgung der dabei anfallenden abfallströme |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10026134.5 | 2000-05-26 | ||
DE10026134A DE10026134A1 (de) | 2000-05-26 | 2000-05-26 | Verfahren zur Isolierung von Polymethylolakansäuren und zur Entsorgung der dabei anfallenden Abfallströme |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001090040A2 WO2001090040A2 (de) | 2001-11-29 |
WO2001090040A3 true WO2001090040A3 (de) | 2002-05-23 |
Family
ID=7643670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/005816 WO2001090040A2 (de) | 2000-05-26 | 2001-05-21 | Verfahren zur isolierung von polymethylolalkansäuren und zur entsorgung der dabei anfallenden abfallströme |
Country Status (7)
Country | Link |
---|---|
US (1) | US20030162996A1 (de) |
EP (1) | EP1289922A2 (de) |
JP (1) | JP2003534304A (de) |
KR (1) | KR20030005396A (de) |
CN (1) | CN1431989A (de) |
DE (1) | DE10026134A1 (de) |
WO (1) | WO2001090040A2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108558652A (zh) * | 2018-06-20 | 2018-09-21 | 李先明 | 一种制备2,2-二羟甲基丁酸的方法 |
WO2023248260A1 (en) * | 2022-06-20 | 2023-12-28 | Oxint S.R.L. | Industrial process for recovery of the solid fraction, rich in dimethylolpropionic acid, from the mother liquors of the same |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5859296A (en) * | 1996-08-16 | 1999-01-12 | Bayer Aktiengesellschaft | Process for isolating hydroxypivalic acid from aqueous solution |
JPH11217351A (ja) * | 1997-11-25 | 1999-08-10 | Mitsubishi Chemical Corp | ジメチロールアルカン酸の製造方法 |
JPH11228489A (ja) * | 1998-02-17 | 1999-08-24 | Nippon Kasei Chem Co Ltd | 2,2’−ビス(ヒドロキシメチル)アルカン酸の製造方法 |
EP0937701A1 (de) * | 1998-02-18 | 1999-08-25 | Nippon Kasei Chemical Co., Ltd. | Verfahren zur Herstellung von 2,2-bis (Hydroxymethyl)alkansäure |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3312736A (en) * | 1963-07-29 | 1967-04-04 | Trojan Powder Co | Method of making polymethylol-alkanoic acids |
US4676912A (en) * | 1986-06-26 | 1987-06-30 | International Minerals & Chemical Corp. | Waste liquor disposal methods |
-
2000
- 2000-05-26 DE DE10026134A patent/DE10026134A1/de active Pending
-
2001
- 2001-05-21 CN CN01810215A patent/CN1431989A/zh active Pending
- 2001-05-21 WO PCT/EP2001/005816 patent/WO2001090040A2/de not_active Application Discontinuation
- 2001-05-21 JP JP2001586231A patent/JP2003534304A/ja not_active Withdrawn
- 2001-05-21 KR KR1020027015945A patent/KR20030005396A/ko not_active Application Discontinuation
- 2001-05-21 US US10/296,254 patent/US20030162996A1/en not_active Abandoned
- 2001-05-21 EP EP01960232A patent/EP1289922A2/de not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5859296A (en) * | 1996-08-16 | 1999-01-12 | Bayer Aktiengesellschaft | Process for isolating hydroxypivalic acid from aqueous solution |
JPH11217351A (ja) * | 1997-11-25 | 1999-08-10 | Mitsubishi Chemical Corp | ジメチロールアルカン酸の製造方法 |
JPH11228489A (ja) * | 1998-02-17 | 1999-08-24 | Nippon Kasei Chem Co Ltd | 2,2’−ビス(ヒドロキシメチル)アルカン酸の製造方法 |
EP0937701A1 (de) * | 1998-02-18 | 1999-08-25 | Nippon Kasei Chemical Co., Ltd. | Verfahren zur Herstellung von 2,2-bis (Hydroxymethyl)alkansäure |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 13 30 November 1999 (1999-11-30) * |
Also Published As
Publication number | Publication date |
---|---|
CN1431989A (zh) | 2003-07-23 |
KR20030005396A (ko) | 2003-01-17 |
EP1289922A2 (de) | 2003-03-12 |
US20030162996A1 (en) | 2003-08-28 |
WO2001090040A2 (de) | 2001-11-29 |
DE10026134A1 (de) | 2001-11-29 |
JP2003534304A (ja) | 2003-11-18 |
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