JP5926297B2 - ヒドロクロロフルオロカーボンの選択的触媒接触脱塩化水素化 - Google Patents
ヒドロクロロフルオロカーボンの選択的触媒接触脱塩化水素化 Download PDFInfo
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- JP5926297B2 JP5926297B2 JP2013555482A JP2013555482A JP5926297B2 JP 5926297 B2 JP5926297 B2 JP 5926297B2 JP 2013555482 A JP2013555482 A JP 2013555482A JP 2013555482 A JP2013555482 A JP 2013555482A JP 5926297 B2 JP5926297 B2 JP 5926297B2
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- dehydrochlorination
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/613—10-100 m2/g
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/26—Chromium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/06—Halogens; Compounds thereof
- B01J27/08—Halides
- B01J27/12—Fluorides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/22—Halogenating
- B01J37/26—Fluorinating
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/42—Use of additives, e.g. for stabilisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C21/00—Acyclic unsaturated compounds containing halogen atoms
- C07C21/02—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds
- C07C21/18—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/06—Halogens; Compounds thereof
- B01J27/132—Halogens; Compounds thereof with chromium, molybdenum, tungsten or polonium
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- C07C2527/06—Halogens; Compounds thereof
- C07C2527/08—Halides
- C07C2527/12—Fluorides
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Description
以下の実施例において本明細書に記載した概念をさらに説明するが、これらは、特許請求の範囲に記載した本発明の範囲を限定するものではない。
6cc(立方センチメートル)(8.97g)のα−酸化クロムを破砕し、12/20メッシュのふるいにかけ、Inconel(商標)反応器チューブ(0.43インチID)に装填して、触媒ベッドを形成し、以下の手順に従ってHFで処理した。α−酸化クロムを、37.5sccm(立方センチメートル毎分(標準状態下))の窒素流下で400℃に2時間加熱した。同速度の窒素流下で、温度を300℃に80分間低下させた。300℃の間に、窒素流を26.5sccmに低下させ、HF流を9sccmで開始した。これらの流れを維持しながら、温度を、325℃に80分間、350℃に80分間、375℃に200分間、400℃に40分間、425℃に55分間上昇させた。425℃の温度を維持しながら、窒素流を18.8sccmに低下させ、HFを15sccmに25分間上昇させた。次いで、窒素流を11.3sccmに低下させ、HF流を21sccmに30分間上昇させた。次いで、窒素流を3.8sccmに低下させ、HF流を27sccmに30分間上昇させた。次いで、窒素流を停止し、HF流を30sccmに160分間上昇させた。その後、HF流を中止し、窒素流を20sccmに上昇させ、その間、反応器チューブを周囲温度に冷却した。
次いで、以下の表1に示すように、反応器チューブ温度を所望の温度に上昇させ、HCFC−243dbを、N2および場合によりHFと共に、反応器チューブに供給した。生成物をGC−MSによって分析し、モル百分率として表示した。残りの百分率は未知の副生成物であった。
Claims (10)
- 脱塩化水素化プロセスであって、
反応域において、RfCHClCH2Clをオキシフッ化クロム触媒と接触させて、RfCCl=CH2を含む生成混合物を生成させるステップを含み、
前記Rfは、過フッ化アルキル基であり、
前記オキシフッ化クロム触媒は、式Cr 2 O x F y (式中、x+y/2=3)を有する、
ことを特徴とするプロセス。 - 前記脱塩化水素化プロセスはHFの存在下で行われることを特徴とする請求項1に記載の脱塩化水素化プロセス。
- 前記反応域におけるRfCHClCH2Clに対するHFのモル比は0.9以下であることを特徴とする請求項1に記載の脱塩化水素化プロセス。
- RfはCF3であることを特徴とする請求項1に記載の脱塩化水素化プロセス。
- 前記反応域の温度は200℃から500℃であることを特徴とする請求項1に記載の脱塩化水素化プロセス。
- 前記反応域の温度は275℃から450℃であることを特徴とする請求項5に記載の脱塩化水素化プロセス。
- RfCCl=CH2に対する生成物選択性は少なくとも90モル%であることを特徴とする請求項1に記載の脱塩化水素化プロセス。
- RfCCl=CH2に対する脱塩化水素化選択性は少なくとも95モル%であることを特徴とする請求項1に記載の脱塩化水素化プロセス。
- 前記反応域におけるR f CHClCH 2 Clに対するHFのモル比は0.5以下であることを特徴とする請求項3に記載の脱塩化水素化プロセス。
- 前記反応域におけるR f CHClCH 2 Clに対するHFのモル比は0.1以下であることを特徴とする請求項9に記載の脱塩化水素化プロセス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161444874P | 2011-02-21 | 2011-02-21 | |
US61/444,874 | 2011-02-21 | ||
PCT/US2012/025886 WO2012115938A1 (en) | 2011-02-21 | 2012-02-21 | Catalytic dehydrochlorination of hydrochlorofluorocarbons |
Publications (2)
Publication Number | Publication Date |
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JP2014513675A JP2014513675A (ja) | 2014-06-05 |
JP5926297B2 true JP5926297B2 (ja) | 2016-05-25 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2013555482A Active JP5926297B2 (ja) | 2011-02-21 | 2012-02-21 | ヒドロクロロフルオロカーボンの選択的触媒接触脱塩化水素化 |
Country Status (8)
Country | Link |
---|---|
US (6) | US9724684B2 (ja) |
EP (3) | EP2678300B8 (ja) |
JP (1) | JP5926297B2 (ja) |
KR (2) | KR20180121669A (ja) |
CN (2) | CN110283044A (ja) |
MX (1) | MX2013009577A (ja) |
TW (1) | TW201237009A (ja) |
WO (1) | WO2012115938A1 (ja) |
Families Citing this family (14)
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CN103483141B (zh) † | 2006-10-31 | 2015-09-16 | 纳幕尔杜邦公司 | 氟丙烷、卤代丙烯以及2-氯-3,3,3-三氟-1-丙烯与hf的共沸组合物和1,1,1,2,2-五氟丙烷与hf的共沸组合物的制备方法 |
US9012702B2 (en) | 2011-02-21 | 2015-04-21 | E. I. Du Pont De Nemours And Company | Catalytic dehydrochlorination of hydrochlorofluorocarbons |
US8884082B2 (en) | 2011-02-21 | 2014-11-11 | E. I. Du Pont De Nemours And Company | Selective catalytical dehydrochlorination of hydrochlorofluorocarbons |
US8884083B2 (en) | 2011-02-21 | 2014-11-11 | E. I. Du Pont De Nemours And Company | Selective catalytical dehydrochlorination of hydrochlorofluorocarbons |
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WO2016187507A1 (en) | 2015-05-21 | 2016-11-24 | The Chemours Company Fc, Llc | HYDROFLUORINATION OF 1233xf TO 244bb BY SbF5 |
GB2540421C (en) | 2015-07-17 | 2018-11-14 | Mexichem Fluor Sa De Cv | Process for preparing 245cb from 243db |
WO2017049026A1 (en) * | 2015-09-16 | 2017-03-23 | Honeywell International Inc. | Novel process for manufacturing 2-chloro-3,3,3-trifluoropropene from 1,2-dichloro-3,3,3-trifluoropropene |
EP3592723B1 (en) | 2017-03-10 | 2023-10-25 | The Chemours Company FC, LLC | Process for preparing 3,3,3-trifluoroprop-1-ene |
US20210198168A1 (en) | 2018-07-09 | 2021-07-01 | The Chemours Company Fc, Llc | Compositions and methods for an integrated 2,3,3,3-tetrafluoropropene manufacturing process |
EP3823948A1 (en) | 2018-07-18 | 2021-05-26 | The Chemours Company FC, LLC | Production of haloolefins in an adiabatic reaction zone |
US11904301B2 (en) | 2018-09-07 | 2024-02-20 | The Chemours Company Fc, Llc | Fluorine removal from antimony fluorohalide catalyst using chlorocarbons |
MX2021014764A (es) * | 2019-06-04 | 2022-01-18 | Chemours Co Fc Llc | Composiciones de 2-cloro-3,3,3-trifluoropropeno (1233xf) y metodos para fabricar y usar las composiciones. |
WO2025064346A1 (en) | 2023-09-18 | 2025-03-27 | The Chemours Company Fc, Llc | Processes for preparing 2-chloro-1,1,1,2-tetrafluoropropane |
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- 2012-02-17 TW TW101105219A patent/TW201237009A/zh unknown
- 2012-02-21 KR KR1020187031109A patent/KR20180121669A/ko not_active Abandoned
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- 2012-02-21 MX MX2013009577A patent/MX2013009577A/es active IP Right Grant
- 2012-02-21 KR KR1020137024269A patent/KR101914184B1/ko not_active Expired - Fee Related
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- 2012-02-21 JP JP2013555482A patent/JP5926297B2/ja active Active
- 2012-02-21 EP EP20207702.0A patent/EP3798200A1/en active Pending
- 2012-02-21 WO PCT/US2012/025886 patent/WO2012115938A1/en active Application Filing
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Also Published As
Publication number | Publication date |
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EP4458796A2 (en) | 2024-11-06 |
MX2013009577A (es) | 2013-09-06 |
US20200086308A1 (en) | 2020-03-19 |
CN110283044A (zh) | 2019-09-27 |
US11547990B2 (en) | 2023-01-10 |
EP2678300A1 (en) | 2014-01-01 |
EP2678300B1 (en) | 2020-11-18 |
EP3798200A1 (en) | 2021-03-31 |
US20220072525A1 (en) | 2022-03-10 |
US20230211330A1 (en) | 2023-07-06 |
KR20140004752A (ko) | 2014-01-13 |
CN103370291A (zh) | 2013-10-23 |
EP4458796A3 (en) | 2024-12-18 |
KR101914184B1 (ko) | 2018-11-02 |
TW201237009A (en) | 2012-09-16 |
US20170333888A1 (en) | 2017-11-23 |
EP2678300B8 (en) | 2021-03-03 |
US20250114776A1 (en) | 2025-04-10 |
US20120215035A1 (en) | 2012-08-23 |
WO2012115938A1 (en) | 2012-08-30 |
US10493443B2 (en) | 2019-12-03 |
US11207668B2 (en) | 2021-12-28 |
KR20180121669A (ko) | 2018-11-07 |
US12201970B2 (en) | 2025-01-21 |
US9724684B2 (en) | 2017-08-08 |
JP2014513675A (ja) | 2014-06-05 |
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