RU95118158A - Способ получения дифторметана - Google Patents
Способ получения дифторметанаInfo
- Publication number
- RU95118158A RU95118158A RU95118158/04A RU95118158A RU95118158A RU 95118158 A RU95118158 A RU 95118158A RU 95118158/04 A RU95118158/04 A RU 95118158/04A RU 95118158 A RU95118158 A RU 95118158A RU 95118158 A RU95118158 A RU 95118158A
- Authority
- RU
- Russia
- Prior art keywords
- zinc
- catalyst
- fluoride
- chromium
- producing
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims 6
- 238000000034 method Methods 0.000 claims 6
- 239000003054 catalyst Substances 0.000 claims 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 3
- 239000011701 zinc Substances 0.000 claims 3
- 229910052725 zinc Inorganic materials 0.000 claims 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims 2
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 claims 2
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims 2
- 150000003752 zinc compounds Chemical class 0.000 claims 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims 1
- 229910021563 chromium fluoride Inorganic materials 0.000 claims 1
- 229910000423 chromium oxide Inorganic materials 0.000 claims 1
- QCMJBECJXQJLIL-UHFFFAOYSA-L chromium(6+);oxygen(2-);difluoride Chemical compound [O-2].[O-2].[F-].[F-].[Cr+6] QCMJBECJXQJLIL-UHFFFAOYSA-L 0.000 claims 1
- 238000003682 fluorination reaction Methods 0.000 claims 1
- 229910001512 metal fluoride Inorganic materials 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- FTBATIJJKIIOTP-UHFFFAOYSA-K trifluorochromium Chemical compound F[Cr](F)F FTBATIJJKIIOTP-UHFFFAOYSA-K 0.000 claims 1
Claims (5)
1. Способ получения дифторметана, включающий контактирование дихлорметана с фтористым водородом в присутствии катализатора фторирования, отличающийся тем, что используют катализатор, содержащий цинк или соединение цинка и оксид, фторид или оксифторид металла.
2. Способ по п. 1, отличающийся тем, что катализатор включает цинк или соединение цинка, оксид хрома, фторид хрома или оксифторид хрома.
3. Способ по п. 1 или 2, отличающийся тем, что процесс осуществляют при температуре около 240 - 320oС.
4. Способ по п. 1 или 2, отличающийся тем, что молярное соотношение фтористого водорода и дихлорметана составляет 5 - 25 : 1.
5. Способ по п. 1, отличающийся тем, что содержание цинка в расчете на общую массу катализатора составляет около 0,5 - 30,0%.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9306089.5 | 1993-03-24 | ||
| GB9306072.1 | 1993-03-24 | ||
| GB939306072A GB9306072D0 (en) | 1993-03-24 | 1993-03-24 | Production of difluoromethane |
| GB939306089A GB9306089D0 (en) | 1993-03-24 | 1993-03-24 | Production of difluoromethane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU95118158A true RU95118158A (ru) | 1997-09-20 |
| RU2116288C1 RU2116288C1 (ru) | 1998-07-27 |
Family
ID=26302637
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU95121816A RU2127246C1 (ru) | 1993-03-24 | 1994-03-14 | Способ получения дифторметана (варианты) |
| RU95118158A RU2116288C1 (ru) | 1993-03-24 | 1994-03-14 | Способ получения дифторметана |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU95121816A RU2127246C1 (ru) | 1993-03-24 | 1994-03-14 | Способ получения дифторметана (варианты) |
Country Status (15)
| Country | Link |
|---|---|
| US (2) | US5672786A (ru) |
| EP (2) | EP0690832B1 (ru) |
| JP (2) | JPH08508029A (ru) |
| KR (2) | KR100323102B1 (ru) |
| CN (2) | CN1044227C (ru) |
| AU (2) | AU691486B2 (ru) |
| BR (2) | BR9406201A (ru) |
| CA (2) | CA2157528C (ru) |
| DE (2) | DE69410455T2 (ru) |
| ES (2) | ES2115940T3 (ru) |
| GB (2) | GB9404715D0 (ru) |
| RU (2) | RU2127246C1 (ru) |
| TW (1) | TW290531B (ru) |
| UA (2) | UA40612C2 (ru) |
| WO (2) | WO1994021580A1 (ru) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2736050B1 (fr) * | 1995-06-29 | 1997-08-01 | Atochem Elf Sa | Procede de fabrication du difluoromethane |
| US5763708A (en) * | 1995-09-20 | 1998-06-09 | Allied Signal Inc. | Process for the production of difluoromethane |
| FR2748022B1 (fr) * | 1996-04-29 | 1998-07-24 | Atochem Elf Sa | Procede de fabrication du difluoromethane |
| BE1010626A3 (fr) * | 1996-09-16 | 1998-11-03 | Solvay | Procede pour la preparation de difluoromethane. |
| US5800682A (en) * | 1996-10-08 | 1998-09-01 | Alliedsignal Inc. | Process for the production of difluoromethane |
| BE1012227A3 (fr) * | 1998-10-12 | 2000-07-04 | Solvay | Catalyseur et procede d'hydrofluoration. |
| WO2004007410A1 (en) * | 2002-07-10 | 2004-01-22 | Srf Limited | A process for the production of difluoromethane |
| DE60231010D1 (de) * | 2002-07-10 | 2009-03-12 | Srf Ltd | Verfahren zur herstellung von difluormethan |
| KR100512845B1 (ko) * | 2002-11-21 | 2005-09-07 | 울산화학주식회사 | 디플르오로메탄의 제조 방법 |
| TW200516068A (en) * | 2003-09-10 | 2005-05-16 | Showa Denko Kk | Process for production of hydrofluorocarbons, products thereof and use of the products |
| US7371905B2 (en) * | 2003-10-17 | 2008-05-13 | Honeywell International Inc. | Method of producing hydrofluorocarbons |
| US7112708B2 (en) | 2004-04-01 | 2006-09-26 | Honeywell International Inc. | Method of making difluoromethane, 1,1,1-trifluoroethane and 1,1-difluoroethane |
| US9862659B2 (en) * | 2008-09-05 | 2018-01-09 | Mexichem Amanco Holding S.A. De C.V. | Catalyst and process using the catalyst |
| WO2013053800A2 (en) * | 2011-10-12 | 2013-04-18 | Bayer Intellectual Property Gmbh | Catalytic gas phase fluorination of 1,1,2-trichloroethane and/or 1,2-dichloroethene to produce 1-chloro-2,2-difluoroethane |
| JP2014221727A (ja) * | 2013-05-13 | 2014-11-27 | 昭和電工株式会社 | ジクロロメタンの精製方法およびそれを用いるジフルオロメタンの製造方法 |
| CN114425275B (zh) * | 2020-09-18 | 2023-08-15 | 中国石油化工股份有限公司 | 甲烷氧化偶联反应器及其应用 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2744148A (en) * | 1952-02-04 | 1956-05-01 | Dow Chemical Co | Process for fluorination of haloalkanes using a hydrogen fluoride activated catalyst containing alumina, a metal fluoride and basic aluminum fluoride |
| US2745886A (en) * | 1955-01-31 | 1956-05-15 | Dow Chemical Co | Process for fluorinating aliphatic halohydrocarbons with a chromium fluoride catalyst and process for preparing the catalyst |
| SU555080A1 (ru) * | 1975-09-10 | 1977-04-25 | Предприятие П/Я А-7372 | Способ получени хлорфторпроизводных метана |
| EP0128510A3 (en) * | 1983-06-07 | 1985-05-15 | Showa Denko Kabushiki Kaisha | Process for producing difluoromethane |
| SU1150919A1 (ru) * | 1983-07-08 | 1986-05-15 | Предприятие П/Я А-1619 | Способ получени дифторхлорметана |
| GB9104775D0 (en) * | 1991-03-07 | 1991-04-17 | Ici Plc | Fluorination catalyst and process |
| US5300710A (en) * | 1991-03-20 | 1994-04-05 | E. I. Du Pont De Nemours And Company | Process for the manufacture of 2-chloro-1,1,1,2-tetrafluoroethane and pentafluoroethane |
| US5208395A (en) * | 1992-04-06 | 1993-05-04 | Elf Atochem North America, Inc. | Manufacture of hydrofluorocarbons |
| ES2111207T3 (es) * | 1993-06-18 | 1998-03-01 | Showa Denko Kk | Catalizador de fluoracion y procedimiento de fluoracion. |
| KR960022411A (ko) * | 1994-12-28 | 1996-07-18 | 남경희 | 디플루오로메탄의 제조방법 |
-
1994
- 1994-03-10 GB GB9404715A patent/GB9404715D0/en active Pending
- 1994-03-10 GB GB9404703A patent/GB9404703D0/en active Pending
- 1994-03-14 BR BR9406201A patent/BR9406201A/pt not_active IP Right Cessation
- 1994-03-14 JP JP6520764A patent/JPH08508029A/ja not_active Ceased
- 1994-03-14 EP EP94909203A patent/EP0690832B1/en not_active Expired - Lifetime
- 1994-03-14 WO PCT/GB1994/000498 patent/WO1994021580A1/en active IP Right Grant
- 1994-03-14 DE DE69410455T patent/DE69410455T2/de not_active Expired - Fee Related
- 1994-03-14 AU AU62133/94A patent/AU691486B2/en not_active Ceased
- 1994-03-14 RU RU95121816A patent/RU2127246C1/ru not_active IP Right Cessation
- 1994-03-14 DE DE69410456T patent/DE69410456T2/de not_active Expired - Fee Related
- 1994-03-14 KR KR1019950704055A patent/KR100323102B1/ko not_active Expired - Fee Related
- 1994-03-14 UA UA95094235A patent/UA40612C2/ru unknown
- 1994-03-14 UA UA95094274A patent/UA35612C2/ru unknown
- 1994-03-14 EP EP94909204A patent/EP0690833B1/en not_active Expired - Lifetime
- 1994-03-14 ES ES94909203T patent/ES2115940T3/es not_active Expired - Lifetime
- 1994-03-14 KR KR1019950704025A patent/KR100323101B1/ko not_active Expired - Fee Related
- 1994-03-14 AU AU62134/94A patent/AU691487B2/en not_active Ceased
- 1994-03-14 RU RU95118158A patent/RU2116288C1/ru not_active IP Right Cessation
- 1994-03-14 ES ES94909204T patent/ES2116586T3/es not_active Expired - Lifetime
- 1994-03-14 US US08/507,429 patent/US5672786A/en not_active Expired - Fee Related
- 1994-03-14 CA CA002157528A patent/CA2157528C/en not_active Expired - Fee Related
- 1994-03-14 WO PCT/GB1994/000497 patent/WO1994021579A1/en active IP Right Grant
- 1994-03-14 CN CN94191526A patent/CN1044227C/zh not_active Expired - Fee Related
- 1994-03-14 CA CA002157878A patent/CA2157878C/en not_active Expired - Fee Related
- 1994-03-14 BR BR9406236A patent/BR9406236A/pt not_active IP Right Cessation
- 1994-03-14 JP JP52076394A patent/JP3631753B2/ja not_active Expired - Fee Related
- 1994-03-14 US US08/522,241 patent/US5763704A/en not_active Expired - Fee Related
- 1994-03-14 CN CN94191525A patent/CN1057750C/zh not_active Expired - Fee Related
- 1994-03-18 TW TW083102380A patent/TW290531B/zh active
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