SG65043A1 - Process for purifying crude 1,4-butanediol - Google Patents
Process for purifying crude 1,4-butanediolInfo
- Publication number
- SG65043A1 SG65043A1 SG1998000039A SG1998000039A SG65043A1 SG 65043 A1 SG65043 A1 SG 65043A1 SG 1998000039 A SG1998000039 A SG 1998000039A SG 1998000039 A SG1998000039 A SG 1998000039A SG 65043 A1 SG65043 A1 SG 65043A1
- Authority
- SG
- Singapore
- Prior art keywords
- butanediol
- purifying crude
- purifying
- crude
- 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
- C07C29/88—Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/001—Processes specially adapted for distillation or rectification of fermented solutions
- B01D3/002—Processes specially adapted for distillation or rectification of fermented solutions by continuous methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
- B01D3/145—One step being separation by permeation
-
- 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
- C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
- C07C29/095—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of esters of organic acids
-
- 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
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1017797 | 1997-01-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG65043A1 true SG65043A1 (en) | 1999-05-25 |
Family
ID=11743014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1998000039A SG65043A1 (en) | 1997-01-23 | 1998-01-06 | Process for purifying crude 1,4-butanediol |
Country Status (4)
Country | Link |
---|---|
CA (1) | CA2226534A1 (en) |
DE (1) | DE19801089A1 (en) |
ID (1) | ID19571A (en) |
SG (1) | SG65043A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114853573A (en) * | 2022-05-27 | 2022-08-05 | 辽宁石油化工大学 | Method and system for separating and purifying 1, 4-butanediol |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0421928D0 (en) | 2004-10-01 | 2004-11-03 | Davy Process Techn Ltd | Process |
WO2008098622A1 (en) * | 2007-02-15 | 2008-08-21 | Basf Se | Method for the production of very pure 1,4-butanediol by avoiding oxygen in the purifying distillation process |
EP2118044B1 (en) * | 2007-02-15 | 2013-05-15 | Basf Se | Method for the production of very pure 1,4-butanediol |
JP5562542B2 (en) | 2008-09-11 | 2014-07-30 | 花王株式会社 | Catalyst preparation method |
GB201115617D0 (en) | 2011-09-09 | 2011-10-26 | Davy Process Techn Ltd | Proacess |
EP3964493B1 (en) * | 2013-03-15 | 2024-03-27 | Genomatica, Inc. | Process and systems for obtaining 1,4-butanediol from fermentation broths |
ES2781984T3 (en) | 2013-10-23 | 2020-09-09 | Basf Se | Procedure for the preparation of 1,4-butanediol with an APHA color number less than 30 |
JP7219383B2 (en) * | 2017-11-27 | 2023-02-08 | ノバモント・ソシエタ・ペル・アチオニ | Method for producing 1,4-butanediol derived from renewable resources and polyester obtained therefrom |
EP3604261A1 (en) | 2018-08-02 | 2020-02-05 | Omv Refining & Marketing Gmbh | Method for the purification of isobutylene from a c4 flow and process technology for same |
-
1998
- 1998-01-06 SG SG1998000039A patent/SG65043A1/en unknown
- 1998-01-09 CA CA002226534A patent/CA2226534A1/en not_active Abandoned
- 1998-01-14 DE DE19801089A patent/DE19801089A1/en not_active Withdrawn
- 1998-01-22 ID IDP980074A patent/ID19571A/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114853573A (en) * | 2022-05-27 | 2022-08-05 | 辽宁石油化工大学 | Method and system for separating and purifying 1, 4-butanediol |
CN114853573B (en) * | 2022-05-27 | 2023-06-13 | 辽宁石油化工大学 | Separation and purification method and system for 1, 4-butanediol |
Also Published As
Publication number | Publication date |
---|---|
CA2226534A1 (en) | 1998-07-23 |
DE19801089A1 (en) | 1998-07-30 |
ID19571A (en) | 1998-07-23 |
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