GB1257558A - - Google Patents
Info
- Publication number
- GB1257558A GB1257558A GB1257558DA GB1257558A GB 1257558 A GB1257558 A GB 1257558A GB 1257558D A GB1257558D A GB 1257558DA GB 1257558 A GB1257558 A GB 1257558A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glycol
- column
- tray
- water
- purification
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 17
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract 7
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 abstract 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 4
- 238000004821 distillation Methods 0.000 abstract 3
- 239000012535 impurity Substances 0.000 abstract 3
- 238000000746 purification Methods 0.000 abstract 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 150000001728 carbonyl compounds Chemical class 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 150000002334 glycols Chemical class 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/03—Ethers having all ether-oxygen atoms bound to acyclic carbon atoms
- C07C43/04—Saturated ethers
- C07C43/10—Saturated ethers of polyhydroxy compounds
- C07C43/11—Polyethers containing —O—(C—C—O—)n units with ≤ 2 n≤ 10
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75473668A | 1968-08-22 | 1968-08-22 | |
| BE746639 | 1970-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1257558A true GB1257558A (cg-RX-API-DMAC7.html) | 1971-12-22 |
Family
ID=25656797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1257558D Expired GB1257558A (cg-RX-API-DMAC7.html) | 1968-08-22 | 1969-08-21 |
Country Status (5)
| Country | Link |
|---|---|
| BE (2) | BE737770A (cg-RX-API-DMAC7.html) |
| DE (1) | DE1942094A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2017970A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1257558A (cg-RX-API-DMAC7.html) |
| NL (1) | NL6912836A (cg-RX-API-DMAC7.html) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6514388B1 (en) | 1998-09-23 | 2003-02-04 | Basf Aktiengesellschaft | Method for producing highly pure monoethylene glycol |
| US6605192B1 (en) | 1998-09-23 | 2003-08-12 | Basf Aktiengesellschaft | Method for producing highly pure monoethylene glycol |
| EP3755682B1 (en) | 2018-02-21 | 2023-01-18 | Shell Internationale Research Maatschappij B.V. | Stabilization of polyhydric alcohols by steam injection |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4830712A (en) * | 1987-09-29 | 1989-05-16 | Union Carbide Corporation | Process for refining ethylene glycol |
-
1969
- 1969-08-19 DE DE19691942094 patent/DE1942094A1/de active Pending
- 1969-08-21 BE BE737770D patent/BE737770A/xx unknown
- 1969-08-21 GB GB1257558D patent/GB1257558A/en not_active Expired
- 1969-08-22 NL NL6912836A patent/NL6912836A/xx unknown
- 1969-08-22 FR FR6928965A patent/FR2017970A1/fr not_active Withdrawn
-
1970
- 1970-02-27 BE BE746639D patent/BE746639R/xx active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6514388B1 (en) | 1998-09-23 | 2003-02-04 | Basf Aktiengesellschaft | Method for producing highly pure monoethylene glycol |
| US6605192B1 (en) | 1998-09-23 | 2003-08-12 | Basf Aktiengesellschaft | Method for producing highly pure monoethylene glycol |
| EP3755682B1 (en) | 2018-02-21 | 2023-01-18 | Shell Internationale Research Maatschappij B.V. | Stabilization of polyhydric alcohols by steam injection |
Also Published As
| Publication number | Publication date |
|---|---|
| BE737770A (cg-RX-API-DMAC7.html) | 1970-02-23 |
| NL6912836A (cg-RX-API-DMAC7.html) | 1970-02-24 |
| BE746639R (fr) | 1970-08-27 |
| FR2017970A1 (cg-RX-API-DMAC7.html) | 1970-05-29 |
| DE1942094A1 (de) | 1970-02-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |