SE8601772L - Sett vid tillverkning av en polyalkohol - Google Patents
Sett vid tillverkning av en polyalkoholInfo
- Publication number
- SE8601772L SE8601772L SE8601772A SE8601772A SE8601772L SE 8601772 L SE8601772 L SE 8601772L SE 8601772 A SE8601772 A SE 8601772A SE 8601772 A SE8601772 A SE 8601772A SE 8601772 L SE8601772 L SE 8601772L
- Authority
- SE
- Sweden
- Prior art keywords
- formiate
- membranes
- polyalcohol
- compartments
- anode
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- B01D61/445—Ion-selective electrodialysis with bipolar membranes; Water splitting
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/36—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal
- C07C29/38—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal by reaction with aldehydes or ketones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8601772A SE8601772L (sv) | 1986-04-18 | 1986-04-18 | Sett vid tillverkning av en polyalkohol |
EP19870105571 EP0242784A1 (en) | 1986-04-18 | 1987-04-15 | Method in the production of a polyalcohol |
JP62096101A JPS62289535A (ja) | 1986-04-18 | 1987-04-17 | 多価アルコ−ルの製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8601772A SE8601772L (sv) | 1986-04-18 | 1986-04-18 | Sett vid tillverkning av en polyalkohol |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8601772D0 SE8601772D0 (sv) | 1986-04-18 |
SE8601772L true SE8601772L (sv) | 1987-10-19 |
Family
ID=20364246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8601772A SE8601772L (sv) | 1986-04-18 | 1986-04-18 | Sett vid tillverkning av en polyalkohol |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0242784A1 (sv) |
JP (1) | JPS62289535A (sv) |
SE (1) | SE8601772L (sv) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5198086A (en) * | 1990-12-21 | 1993-03-30 | Allied-Signal | Electrodialysis of salts of weak acids and/or weak bases |
SE517708C2 (sv) * | 1994-07-04 | 2002-07-09 | Perstorp Ab | Förfarande för framställning av kaliumformiat III |
DE19803675A1 (de) * | 1998-01-30 | 1999-08-05 | Basf Ag | Verfahren zur Herstellung von Alkylenglykol |
DE19838425A1 (de) * | 1998-08-24 | 2000-03-02 | Degussa | Verfahren zur Abtrennung mehrfunktioneller Alkohole von wasserlöslichen Salzen aus wäßrigen Systemen |
DE19838426A1 (de) * | 1998-08-24 | 2000-03-02 | Degussa | Verfahren zum Trennen von Trimethylolpropan von wasserlöslichen Salzen aus einer Lösung |
DE19849922A1 (de) * | 1998-10-29 | 2000-05-04 | Degussa | Verfahren zur Behandlung von Basen und organische Säuren enthaltenden wäßrigen Lösungen |
DE10112117A1 (de) * | 2001-03-14 | 2002-09-19 | Basf Ag | Verfahren zur Herstellung von Polyalkoholen mit definiertem CPR-Wert |
CN113603565A (zh) * | 2021-07-15 | 2021-11-05 | 浙江蓝波新材料科技有限公司 | 一种膜法分离季戊四醇副产甲酸钠新工艺 |
CN114225702B (zh) * | 2021-12-20 | 2024-07-02 | 宁夏百川科技有限公司 | 制备甲酸钙的双极膜电渗析装置及甲酸钙制备方法 |
CN115838321A (zh) * | 2022-10-10 | 2023-03-24 | 南通百川新材料有限公司 | 一种三羟甲基丙烷中绿色除盐的电渗析膜分离方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2829095A (en) * | 1955-09-03 | 1958-04-01 | Noguchi Kenkyu Jo | Process for the production of acidic and alkaline solution from salt solution by multi-compartment electrolysis |
US2865822A (en) * | 1956-04-30 | 1958-12-23 | Warren Petroleum Corp Inc | Method for deionizing aqueous pentaerythritol solutions |
US3779883A (en) * | 1972-11-03 | 1973-12-18 | Sybron Corp | Pentaerythritol purification process |
-
1986
- 1986-04-18 SE SE8601772A patent/SE8601772L/sv not_active Application Discontinuation
-
1987
- 1987-04-15 EP EP19870105571 patent/EP0242784A1/en not_active Withdrawn
- 1987-04-17 JP JP62096101A patent/JPS62289535A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
SE8601772D0 (sv) | 1986-04-18 |
EP0242784A1 (en) | 1987-10-28 |
JPS62289535A (ja) | 1987-12-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8601772-0 Effective date: 19901101 |