RU2005107809A - Способ получения 1,1,1,2,2-пентафторэтана - Google Patents

Способ получения 1,1,1,2,2-пентафторэтана Download PDF

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Publication number
RU2005107809A
RU2005107809A RU2005107809/04A RU2005107809A RU2005107809A RU 2005107809 A RU2005107809 A RU 2005107809A RU 2005107809/04 A RU2005107809/04 A RU 2005107809/04A RU 2005107809 A RU2005107809 A RU 2005107809A RU 2005107809 A RU2005107809 A RU 2005107809A
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Russia
Prior art keywords
chromium
product
pentafluoroethane
halogenated hydrocarbon
producing
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RU2005107809/04A
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English (en)
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RU2328482C2 (ru
Inventor
Марио Дж. НАППА (US)
Марио Дж. НАППА
Веллийур Нотт Малликарджуна РАО (US)
Веллийур Нотт Малликарджуна РАО
Х. Дэвид РОЗЕНФЕЛЬД (US)
Х. Дэвид РОЗЕНФЕЛЬД
Шекхар СУБРАМАНИ (US)
Шекхар СУБРАМАНИ
Мунирпаллам А. СУБРАМАНИАН (US)
Мунирпаллам А. СУБРАМАНИАН
Аллен К. СИВЕРТ (US)
Аллен К. СИВЕРТ
Original Assignee
Е.И.Дюпон де Немур энд Компани (US)
Е.И.Дюпон Де Немур Энд Компани
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Publication of RU2005107809A publication Critical patent/RU2005107809A/ru
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Publication of RU2328482C2 publication Critical patent/RU2328482C2/ru

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/86—Chromium
    • B01J23/864—Cobalt and chromium
    • 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
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/21—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms with simultaneous increase of the number of halogen atoms
    • 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
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • 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
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0236—Drying, e.g. preparing a suspension, adding a soluble salt and drying
    • 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
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/03—Precipitation; Co-precipitation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Claims (2)

1. Способ получения пентафторэтана, включающий
(а) контактирование смеси, содержащей фтористый водород и, по меньшей мере, одно исходное вещество, выбранное из галогенэтанов формулы CX3CHX2 и галогенэтенов формулы CX2=CX2, где каждый X независимо выбран из группы, состоящей из F и Cl, при условии, что не более чем четыре из X являются F, с катализатором фторирования в зоне реакции с получением смеси продукта, состоящей из HF, HCl, пентафторэтана, недостаточно фторированных галогенированных углеводородных промежуточных соединений и менее 0,2 мол.% хлорпентафторэтана в расчете на все количество (в моль) галогенированных углеводородов в смеси продукта;
причем указанный катализатор фторирования содержит, по меньшей мере, один хромсодержащий хром компонент, выбранный из (i) кристаллического замещенного кобальтом альфа-оксида хрома, где от примерно 0,05 до примерно 6 ат.% атомов хрома в кристаллической решетке альфа-оксида хрома заменено на трехвалентный кобальт, и (ii) фторированного кристаллического оксида (i).
2. Способ по п.1, дополнительно включающий
(b) разделение продукта со стадии (а) с выделением CF3CHF2 в качестве продукта и с получением недостаточно фторированных галогенированных углеводородных промежуточных соединений; и
(с) возвращение недостаточно фторированных галогенированных углеводородных промежуточных соединений, полученных на стадии (b), обратно на стадию (а) в зону реакции.
RU2005107809/04A 2002-08-22 2003-08-21 Способ получения 1,1,1,2,2-пентафторэтана RU2328482C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40522302P 2002-08-22 2002-08-22
US60/405,223 2002-08-22

Publications (2)

Publication Number Publication Date
RU2005107809A true RU2005107809A (ru) 2005-08-10
RU2328482C2 RU2328482C2 (ru) 2008-07-10

Family

ID=31946830

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2005107809/04A RU2328482C2 (ru) 2002-08-22 2003-08-21 Способ получения 1,1,1,2,2-пентафторэтана

Country Status (7)

Country Link
US (1) US7074973B2 (ru)
EP (1) EP1530558A1 (ru)
JP (1) JP2005536539A (ru)
CN (1) CN1310860C (ru)
AU (1) AU2003265589A1 (ru)
RU (1) RU2328482C2 (ru)
WO (1) WO2004018396A1 (ru)

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* Cited by examiner, † Cited by third party
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AU2003265591A1 (en) 2002-08-22 2004-03-11 E.I. Du Pont De Nemours And Company Cobalt-substituted chromium oxide compositions, their preparation, and their use as catalysts and catalyst precursors
CN100337743C (zh) 2002-08-22 2007-09-19 纳幕尔杜邦公司 镍取代的和混合镍钴取代的氧化铬组合物,它们的制备以及它们作为催化剂和催化剂前体的用途
US20070191652A1 (en) * 2004-03-29 2007-08-16 Hiromoto Ohno Process for production of 1,1,1,2- tetrafluoroethane and/or pentafluorethane and applications of the same
WO2007019357A1 (en) * 2005-08-05 2007-02-15 E. I. Du Pont De Nemours And Company Process for the preparation of 1,1,1,3,3-pentafluoropropane and/or 1,1,1,3,3,3,-hexafluoropropane
WO2007019355A1 (en) * 2005-08-05 2007-02-15 E. I. Du Pont De Nemours And Company Process for the preparation of 1,3,3,3-tetrafluoropropene and/or 2,3,3,3-tetrafluoropropene
WO2007019358A2 (en) 2005-08-05 2007-02-15 E. I. Du Pont De Nemours And Company Process for the preparation of 1,3,3,3-tetrafluoropropene and/or 1,1,3,3,3-pentafluoropropene
US8053611B2 (en) * 2005-08-05 2011-11-08 E. I. Du Pont De Nemours And Company Process or the preparation of 1,1,1,3,3,3-hexafluoro-propane and at least one of 1,1,1,2,3,3-hexafluoropropane, hexafluoropropane and 1,1,1,2,3,3,3-heptafluoropropane
WO2007019354A1 (en) * 2005-08-05 2007-02-15 E. I. Du Pont De Nemours And Company Process for the preparation of 1,1,3,3,3-pentafluoropropene and 1,2,3,3,3-pentafluoropropene
US7659435B2 (en) * 2005-08-05 2010-02-09 E.I. Du Pont De Nemours And Company Process for the preparation of 1,1,1,3,3-pentafluoropropane and 1,1,1,2,3-pentafluoropropane
WO2007019356A2 (en) * 2005-08-05 2007-02-15 E. I. Du Pont De Nemours And Company Copper-substituted chromium oxide compositions, their preparation, and their use as catalysts and catalyst precursors
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CN101540269B (zh) * 2008-03-20 2012-10-10 盛美半导体设备（上海）有限公司 清洁半导体基材的方法和装置
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US10166538B2 (en) * 2013-01-29 2019-01-01 Arkema Inc. Activation and regeneration of fluorination catalysts, and fluorination process
CN108299148B (zh) * 2016-10-18 2020-09-29 福州绿航环保技术服务有限公司 一种联产制备五氟乙烷和1,2‐二氯‐1,1,2‐三氟乙烷的方法
CN109174139B (zh) * 2018-08-16 2022-03-29 山东东岳化工有限公司 一种用于1,1-二氟乙烷气相脱除hf制备氟乙烯的催化剂及其制备方法与应用
CN109180422B (zh) * 2018-09-18 2021-04-06 山东东岳化工有限公司 一种三氟甲烷催化裂解制备四氟乙烯联产六氟丙烯的方法
CN112125773A (zh) * 2020-10-02 2020-12-25 中国船舶重工集团公司第七一八研究所 一种1,2,3,4-四氯六氟丁烷的制备方法

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Also Published As

Publication number Publication date
US7074973B2 (en) 2006-07-11
CN1310860C (zh) 2007-04-18
RU2328482C2 (ru) 2008-07-10
WO2004018396A1 (en) 2004-03-04
EP1530558A1 (en) 2005-05-18
JP2005536539A (ja) 2005-12-02
CN1675150A (zh) 2005-09-28
AU2003265589A1 (en) 2004-03-11
US20060004235A1 (en) 2006-01-05
AU2003265589A8 (en) 2004-03-11

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Effective date: 20110822