CH620416A5 - Single-stage process for recovering dimethyl carbonate - Google Patents
Single-stage process for recovering dimethyl carbonate Download PDFInfo
- Publication number
- CH620416A5 CH620416A5 CH203476A CH203476A CH620416A5 CH 620416 A5 CH620416 A5 CH 620416A5 CH 203476 A CH203476 A CH 203476A CH 203476 A CH203476 A CH 203476A CH 620416 A5 CH620416 A5 CH 620416A5
- Authority
- CH
- Switzerland
- Prior art keywords
- azeotrope
- distillation
- dimethylcarbonate
- methanol
- dimethyl carbonate
- Prior art date
Links
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 title claims abstract 11
- 238000000034 method Methods 0.000 title claims 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract 18
- 238000004821 distillation Methods 0.000 claims abstract 8
- 239000000203 mixture Substances 0.000 claims 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 150000001298 alcohols Chemical class 0.000 claims 1
- 239000000919 ceramic Substances 0.000 claims 1
- 238000002425 crystallisation Methods 0.000 claims 1
- 230000008025 crystallization Effects 0.000 claims 1
- 150000005676 cyclic carbonates Chemical class 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000012429 reaction media Substances 0.000 claims 1
- 238000011084 recovery Methods 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000005809 transesterification reaction Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C68/00—Preparation of esters of carbonic or haloformic acids
- C07C68/08—Purification; Separation; Stabilisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C68/00—Preparation of esters of carbonic or haloformic acids
- C07C68/06—Preparation of esters of carbonic or haloformic acids from organic carbonates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT20505/75A IT1031933B (it) | 1975-02-21 | 1975-02-21 | Processo per il recupero di dimetilcarbonato |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH620416A5 true CH620416A5 (en) | 1980-11-28 |
Family
ID=11167935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH203476A CH620416A5 (en) | 1975-02-21 | 1976-02-19 | Single-stage process for recovering dimethyl carbonate |
Country Status (18)
| Country | Link |
|---|---|
| JP (1) | JPS593463B2 (en:Method) |
| AU (1) | AU1108876A (en:Method) |
| BE (1) | BE838502A (en:Method) |
| CH (1) | CH620416A5 (en:Method) |
| CS (1) | CS188130B2 (en:Method) |
| DD (1) | DD123451A5 (en:Method) |
| DE (1) | DE2607003C3 (en:Method) |
| DK (1) | DK146413C (en:Method) |
| FR (1) | FR2301509A1 (en:Method) |
| GB (1) | GB1470160A (en:Method) |
| IL (1) | IL49005A0 (en:Method) |
| IT (1) | IT1031933B (en:Method) |
| LU (1) | LU74382A1 (en:Method) |
| NL (1) | NL7601777A (en:Method) |
| NO (1) | NO146772C (en:Method) |
| SE (1) | SE426060B (en:Method) |
| YU (1) | YU39121B (en:Method) |
| ZA (1) | ZA76678B (en:Method) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2740243A1 (de) | 1977-09-07 | 1979-03-15 | Bayer Ag | Verfahren zur herstellung von dialkylcarbonaten |
| JP2557099B2 (ja) * | 1989-02-13 | 1996-11-27 | ダイセル化学工業株式会社 | ジメチルカーボネートの分離方法 |
| DE4234525A1 (de) * | 1992-10-13 | 1994-04-14 | Bayer Ag | Verfahren zur Abtrennung von Alkanolen von sauerstoffhaltigen organischen Verbindungen mit höherer Kohlenstoffzahl |
| DE4319570A1 (de) * | 1993-06-14 | 1994-12-15 | Bayer Ag | Verfahren und Abtrennung von Alkanolen von weiteren organischen Verbindungen mit höherer Kohlenstoffzahl |
| EP0634386B1 (de) * | 1993-07-15 | 1997-05-28 | Bayer Ag | Verfahren zur Herstellung von Dimethylcarbonat |
| DE4339977A1 (de) * | 1993-11-24 | 1995-06-01 | Bayer Ag | Verfahren zur Aufarbeitung der flüssigen Reaktionsprodukte aus der Cu-katalysierten Dimethylcarbonatherstellung |
| CN101627003B (zh) | 2007-02-16 | 2016-03-16 | 沙特基础全球技术有限公司 | 碳酸二甲酯的制备方法 |
| WO2008099370A2 (en) | 2007-02-16 | 2008-08-21 | Sabic Innovative Plastics Ip Bv | Process for manufacturing dimethyl carbonate |
-
1975
- 1975-02-21 IT IT20505/75A patent/IT1031933B/it active
-
1976
- 1976-02-05 ZA ZA760678A patent/ZA76678B/xx unknown
- 1976-02-10 IL IL49005A patent/IL49005A0/xx unknown
- 1976-02-12 BE BE164276A patent/BE838502A/xx not_active IP Right Cessation
- 1976-02-12 YU YU00326/76A patent/YU39121B/xx unknown
- 1976-02-13 AU AU11088/76A patent/AU1108876A/en not_active Expired
- 1976-02-16 GB GB604176A patent/GB1470160A/en not_active Expired
- 1976-02-17 SE SE7601800A patent/SE426060B/xx not_active IP Right Cessation
- 1976-02-18 DK DK66876A patent/DK146413C/da not_active IP Right Cessation
- 1976-02-18 FR FR7604444A patent/FR2301509A1/fr active Granted
- 1976-02-19 NO NO760557A patent/NO146772C/no unknown
- 1976-02-19 DD DD191340A patent/DD123451A5/xx unknown
- 1976-02-19 CH CH203476A patent/CH620416A5/it not_active IP Right Cessation
- 1976-02-19 LU LU74382A patent/LU74382A1/xx unknown
- 1976-02-20 NL NL7601777A patent/NL7601777A/xx unknown
- 1976-02-20 JP JP51017175A patent/JPS593463B2/ja not_active Expired
- 1976-02-20 DE DE2607003A patent/DE2607003C3/de not_active Expired
- 1976-02-23 CS CS761178A patent/CS188130B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU1108876A (en) | 1977-08-18 |
| DK66876A (da) | 1976-08-22 |
| NO760557L (en:Method) | 1976-08-24 |
| FR2301509B1 (en:Method) | 1979-02-02 |
| DK146413C (da) | 1984-03-12 |
| NO146772B (no) | 1982-08-30 |
| LU74382A1 (en:Method) | 1976-08-13 |
| DE2607003B2 (en:Method) | 1979-08-16 |
| ZA76678B (en) | 1977-04-27 |
| FR2301509A1 (fr) | 1976-09-17 |
| NO146772C (no) | 1982-12-08 |
| BE838502A (fr) | 1976-08-12 |
| JPS593463B2 (ja) | 1984-01-24 |
| DK146413B (da) | 1983-10-03 |
| YU39121B (en) | 1984-06-30 |
| YU32676A (en) | 1982-05-31 |
| CS188130B2 (en) | 1979-02-28 |
| DD123451A5 (en:Method) | 1976-12-20 |
| DE2607003C3 (de) | 1980-04-17 |
| IT1031933B (it) | 1979-05-10 |
| NL7601777A (nl) | 1976-08-24 |
| IL49005A0 (en) | 1976-04-30 |
| DE2607003A1 (de) | 1976-09-02 |
| JPS51108019A (en:Method) | 1976-09-25 |
| SE7601800L (sv) | 1976-08-23 |
| GB1470160A (en) | 1977-04-14 |
| SE426060B (sv) | 1982-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |