AR245388A1 - Composicion catalitica mejorada de cr2o3 - Google Patents

Composicion catalitica mejorada de cr2o3

Info

Publication number
AR245388A1
AR245388A1 AR90317095A AR31709590A AR245388A1 AR 245388 A1 AR245388 A1 AR 245388A1 AR 90317095 A AR90317095 A AR 90317095A AR 31709590 A AR31709590 A AR 31709590A AR 245388 A1 AR245388 A1 AR 245388A1
Authority
AR
Argentina
Prior art keywords
improved
catalyst composition
2cr2o7
cr2o3
pyrolysis
Prior art date
Application number
AR90317095A
Other languages
English (en)
Original Assignee
Du Pont
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of AR245388A1 publication Critical patent/AR245388A1/es

Links

Classifications

    • 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
    • B01J23/16—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
    • 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

Landscapes

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

Abstract

COMPOSICION CATALITICA QUE COMPRENDE CR2O3 PREPARADA POR PIROLISIS DE (NH4)2CR2O7 Y QUE CONTIENE UN CONTENIDO DE METAL ALCALINO DE 100 PPM O MENOS.
AR90317095A 1989-06-13 1990-06-12 Composicion catalitica mejorada de cr2o3 AR245388A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/365,594 US5036036A (en) 1989-06-13 1989-06-13 Chromium oxide catalyst composition

Publications (1)

Publication Number Publication Date
AR245388A1 true AR245388A1 (es) 1994-01-31

Family

ID=23439512

Family Applications (1)

Application Number Title Priority Date Filing Date
AR90317095A AR245388A1 (es) 1989-06-13 1990-06-12 Composicion catalitica mejorada de cr2o3

Country Status (12)

Country Link
US (1) US5036036A (es)
EP (1) EP0403108A1 (es)
JP (1) JP3229311B2 (es)
KR (1) KR910000223A (es)
CN (1) CN1047983A (es)
AR (1) AR245388A1 (es)
AU (1) AU621268B2 (es)
BR (1) BR9002769A (es)
CA (1) CA2017868A1 (es)
MX (1) MX166900B (es)
RU (1) RU2007212C1 (es)
ZA (1) ZA904588B (es)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3031688B2 (ja) * 1990-07-05 2000-04-10 三井化学株式会社 触媒活性の安定化方法
ZA923274B (en) * 1991-05-06 1993-11-08 Du Pont Process for the manufacture of pentafluoroethane
DE69228242T2 (de) * 1991-05-06 2009-09-10 E.I. Dupont De Nemours And Co., Wilmington Verfahren zur herstellung von pentafluorethan
EP0513823B1 (de) * 1991-05-17 1995-10-04 Hoechst Aktiengesellschaft Verfahren zur Herstellung von Pentafluorethan (R 125)
US6676809B1 (en) * 1992-02-07 2004-01-13 Daikin Industries Ltd. Process for removal of hydrogen fluoride
KR100295306B1 (ko) 1992-04-13 2001-09-17 이노우에 노리유끼 플루오르화수소의제거방법
US5463152A (en) * 1994-12-08 1995-10-31 E. I. Du Pont De Nemours And Company Halofluorocarbon hydrogenolysis
US5258561A (en) * 1992-11-06 1993-11-02 E. I. Du Pont De Nemours And Company Catalytic chlorofluorination process for producing CF3 CHClF and CF3 CHF2
US5395999A (en) * 1992-11-06 1995-03-07 E. I. Du Pont De Nemours And Company Catalytic chlorofluorination process for producing CHClFCF3 and CHF2 CF3
US5345017A (en) * 1992-12-08 1994-09-06 E. I. Du Pont De Nemours And Company Process for reducing the fluorine content of halocarbons
US5523498A (en) * 1992-12-08 1996-06-04 E. I. Du Pont De Nemours And Company Process for reducing the fluorine content of hydrofluorocarbons and hydrohalofluorocarbons
US5827492A (en) * 1993-01-28 1998-10-27 E. I. Du Pont De Nemours And Company Hydrogen chloride purification process
US5866730A (en) * 1993-04-02 1999-02-02 E. I. Du Pont De Nemours And Company Process for enriching 1,2-dichloro-1,1,2,2-tetrafluoroethane from a mixture of dichlorotetrafluoroethane isomers
US6274781B1 (en) 1993-11-01 2001-08-14 E. I. Du Pont De Nemours And Company Production of dihalomethanes containing fluorine and azeotropes of dihalomethanes containing chlorine with HF
US5563304A (en) 1994-05-26 1996-10-08 E. I. Du Pont De Nemours And Company Production of 1,2-dihydro and 2,2-dihydro hexafluoropropanes and azeotropes thereof with HF
US5414165A (en) * 1994-07-29 1995-05-09 E. I. Du Pont De Nemours And Company Process for the manufacture of 1,1,1,3,3,3,-hexafluoropropane
US5718807A (en) * 1994-09-20 1998-02-17 E. I. Du Pont De Nemours And Company Purification process for hexafluoroethane products
US5481051A (en) * 1994-12-08 1996-01-02 E. I. Du Pont De Nemours And Company 2,2-dichlorohexafluoropropane hydrogenolysis
US5475167A (en) * 1995-02-17 1995-12-12 E. I. Du Pont De Nemours And Company Process for the manufacture of pentafluoroethane
DE69633985T2 (de) * 1995-06-08 2006-03-02 E.I. Du Pont De Nemours And Co., Wilmington Behandlung von Chromoxid und dessen Verwendung in der katalytischen Herstellung von Vinylfluorid
KR20000052947A (ko) * 1996-11-01 2000-08-25 메리 이. 보울러 헥사플루오로에탄의 제조
US6281395B1 (en) 1998-04-03 2001-08-28 E. I. Du Pont De Nemours And Company 1,1,1,2,3,3,3-heptafluoropropane manufacturing process
US6018083A (en) * 1998-04-03 2000-01-25 E. I. Du Pont De Nemours And Company Process for the production of fluorocarbons
US6472574B2 (en) 1999-12-10 2002-10-29 E. I. Du Pont Nemours And Company Production of 1,2-dihydro and 2,2-dihydro hexafluoropropanes and azeotropes thereof with HF
US6333440B1 (en) 2000-04-07 2001-12-25 E. I. Du Pont De Nemours And Company Process for perfluorocyclobutane purification
JP4397687B2 (ja) * 2001-06-28 2010-01-13 ハネウェル・インターナショナル・インコーポレーテッド 弗素化触媒を調製する方法
CN1310858C (zh) * 2001-10-31 2007-04-18 纳幕尔杜邦公司 由氟化氢和六氟丙烯生产1,1,1,2,3,3,3－七氟丙烷的气相方法
WO2004018095A1 (en) * 2002-08-22 2004-03-04 E.I. Du Pont De Nemours And Company Nickel-substituted and mixed nickel-and-cobalt-substituted chromium oxide compositions, their preparation, and their use as catalysts and catalyst precursors
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
KR101125343B1 (ko) * 2003-10-14 2012-03-27 이 아이 듀폰 디 네모아 앤드 캄파니 1,1,1,2,3,3-헥사플루오로프로판 및1,1,1,2,3,3,3-헵타플루오로프로판 중 1종 이상 및1,1,1,3,3,3-헥사플루오로프로판의 제조 방법
EP1673325A1 (en) 2003-10-14 2006-06-28 E.I. Dupont De Nemours And Company Process for the preparation of 1,1,1,3,3-pentafluoropropane and 1,1,1,2,3-pentafluoropropane
AU2004281282A1 (en) 2003-10-14 2005-04-28 E.I. Dupont De Nemours And Company Process for the preparation of 1,1,1,3,3-pentafluoropropane and 1,1,1,3,3,3-hexafluoropropane
WO2005058489A1 (en) * 2003-12-16 2005-06-30 E.I. Dupont De Nemours And Company Selective chromium catalyst compositions, their preparation and use for producing 1,1,2-trichloropentafluoropropane
WO2006069107A2 (en) 2004-12-22 2006-06-29 E.I. Dupont De Nemours And Company Copolymers of perfluoro (alkyl venyl ether) for photochemical reactor, process for increasing fluorine content and production of olefinic compound by photochlorination
DE102005012632A1 (de) * 2005-03-18 2006-09-21 Infineon Technologies Ag Verfahren und Schaltungsanordnung zur geschützten Übertragung von Datenworten
US20100152503A1 (en) * 2005-08-05 2010-06-17 Velliyur Nott Mallikarjuna Rao Copper-Substituted Chromium Oxide Compositions, Their Preparation, and Their Use as Catalysts and Catalyst Precursors
US7285261B2 (en) * 2005-10-28 2007-10-23 Honeywell International Inc Preparation and application of novel chromium based nanocatalyst for gas-phase fluorination and hydrofluorination reactions
WO2008008350A2 (en) 2006-07-13 2008-01-17 E.I. Du Pont De Nemours And Company Catalytic production processes for making tetrafluoropropenes and pentafluoropropenes
WO2008030441A1 (en) * 2006-09-05 2008-03-13 E. I. Du Pont De Nemours And Company 1,2,3,3,3-pentafluoropropene production processes
US7420094B2 (en) * 2006-09-05 2008-09-02 E.I. Du Pont De Nemours And Company Catalytic isomerization processes of 1,3,3,3-tetrafluoropropene for making 2,3,3,3-tetrafluoropropene
US20080207963A1 (en) * 2007-02-23 2008-08-28 Velliyur Nott Mallikarjuna Rao Preparation of composition containing chromium, oxygen, and either silver or palladium, and their use as catalysts and catalyst precursors
US20080207964A1 (en) * 2007-02-23 2008-08-28 Velliyur Nott Mallikarjuna Rao Compositions containing chromium, oxygen and gold, their preparation, and their use as catalysts and catalyst precursors
US8040024B2 (en) * 2008-03-05 2011-10-18 Ngk Spark Plug Co., Ltd. Piezoceramic material, piezoelectric element and non-resonance knock sensor
ES2643322T3 (es) 2009-06-03 2017-11-22 The Chemours Company Fc, Llc Proceso de fabricación del 2,3,3,3-tetrafluoropropeno
EP2516577A1 (en) 2009-12-22 2012-10-31 E.I. Du Pont De Nemours And Company Compositions comprising 2,3,3,3-tetrafluoropropene, 1,1,2,3-tetrachloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane
RU2010147004A (ru) 2010-11-17 2012-05-27 Е.И.Дюпон де Немур энд Компани (US) Каталитический синтез внутренних фторбутенов и внутренних фторпентенов
US9724684B2 (en) 2011-02-21 2017-08-08 The Chemours Company Fc, Llc Selective catalytical dehydrochlorination of hydrochlorofluorocarbons
CN103946415B (zh) * 2012-01-25 2016-02-10 吉坤日矿日石金属株式会社 强磁性材料溅射靶
US8822739B2 (en) 2012-03-22 2014-09-02 E I Du Pont De Nemours And Company Catalytic isomerization of 2,3,3,3-tetrafluoropropene
GB201207666D0 (en) * 2012-05-02 2012-06-13 Mexichem Amanco Holding Sa Process
CN103506109B (zh) * 2013-09-24 2015-07-08 上海纳米技术及应用国家工程研究中心有限公司 一种碱液表面处理的氧化铬催化剂及其制备和应用
GB2519572B (en) * 2013-10-25 2015-12-30 Mexichem Amanco Holding Sa Process for isomerising (hydro)(halo)fluoroalkenes
JP6995108B2 (ja) 2016-07-27 2022-02-21 ザ ケマーズ カンパニー エフシー リミテッド ライアビリティ カンパニー ハロゲン化オレフィンを製造するための方法
EP4093721A1 (en) 2020-01-23 2022-11-30 The Chemours Company FC, LLC Synthesis of (e)-1,1,1,4,5,5,5-heptafluoro-4-(trifluoromethyl)pent-2-ene
CN115464301B (zh) * 2022-10-08 2023-05-23 山东森峰激光装备有限公司 一种用于高氮钢激光电弧复合焊接的药芯焊丝
CN115518632A (zh) * 2022-11-28 2022-12-27 山东东岳化工有限公司 五氟一氯乙烷制备六氟乙烷的工艺及其所用的催化剂

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA868333A (en) * 1971-04-13 E.I. Du Pont De Nemours And Company Silica-supported catalysts
US2418309A (en) * 1942-06-04 1947-04-01 Phillips Petroleum Co Chromium oxide catalyst and its method of preparation
FR1242924A (fr) * 1959-08-12 1960-10-07 Pechiney Procédé de fabrication de catalyseurs
US3258500A (en) * 1959-08-17 1966-06-28 Du Pont Process for fluorinating halohydro-carbons
GB1307224A (en) * 1969-06-27 1973-02-14 Ici Ltd Chromium oxide catalyst
JPS5527139A (en) * 1978-08-14 1980-02-27 Daikin Ind Ltd Preparation of tetrafluoroethane
IT1134538B (it) * 1980-12-02 1986-08-13 Euteco Impianti Spa Procedimento per la preparazione di catalizzatori adatti per la produzione di formaldeide da metanolo
US4843181A (en) * 1987-10-22 1989-06-27 E. I. Du Pont De Nemours And Company Process for the manufacture of 1,1,1-trifluorodichloroethane and 1,1,1,2-tetrafluorochloroethane

Also Published As

Publication number Publication date
EP0403108A1 (en) 1990-12-19
CA2017868A1 (en) 1990-12-13
BR9002769A (pt) 1991-11-12
ZA904588B (en) 1992-02-26
AU621268B2 (en) 1992-03-05
CN1047983A (zh) 1990-12-26
AU5704790A (en) 1990-12-20
KR910000223A (ko) 1991-01-29
US5036036A (en) 1991-07-30
MX166900B (es) 1993-02-11
JP3229311B2 (ja) 2001-11-19
JPH03114537A (ja) 1991-05-15
RU2007212C1 (ru) 1994-02-15

Similar Documents

Publication Publication Date Title
AR245388A1 (es) Composicion catalitica mejorada de cr2o3
DE69521993T2 (de) Hochaktive katalysatoren
ES2108861T3 (es) Composiciones cataliticas polionicas de metales de transicion.
KR920006027A (ko) 촉매체 및 촉매체의 제조 방법
DK579685A (da) Fremgangsmaade til konvertering af methan
BR8804847A (pt) Processo para a conversao catalitica de gases de despejo,contendo hidrocarboneto,hidrocarboneto halogenado e monoxido de carbono
NO168749C (no) Katalysator-forstadium
IN162816B (es)
HK97897A (en) Compositions containing acetoacetate functional polymer and polyformal
EP0280380A3 (en) Catalyst compositions and process for copolymerizing co with one or more olefinically unsaturated compounds
ATE59571T1 (de) Verfahren zur abgasreinigung.
ES2068941T3 (es) Un sistema catalitico que contiene un inhibidor de autoaceleracion.
GB9024566D0 (en) Catalyst for oxidation or decomposition of gas containing odor components
BR7800381A (pt) Processo aperfeicoado para a conversao de um material de alimentacao carbonaceo solido na presenca de um catalisador contendo metal alcalino em liquidos e/ou gases
ES2108177T3 (es) Catalizador de phillips para la polimerizacion de alfa-olefinas.
JPS5377873A (en) Catalytic incineration of waste gas containing hydrogen sulfide and catalyst composition therefor
GB2010870A (en) Supported Ziegler catalyst components admixed with silica
ATE35807T1 (de) Verfahren zur konvertierung von methanol.
ES2077208T3 (es) Procedimiento para la obtencion de 1,3-dicetonas lineales.
PT98797A (pt) Processo para a preparacao de tiofeno
ES2088930T3 (es) Catalizadores de organoestaño para uso en sistemas poliuretano.
EP0192130A3 (en) Corrosion inhibitor composition
DE69905579T2 (de) Hydrierungsverfahren
BE867983A (fr) Ensemble d'enveloppes contenant des formulaires d'affaire, reliees de maniere continue
ATE65497T1 (de) Verfahren zur herstellung von 2,6-di-tert.butyl-4-mercaptophenol und von 4,4'-isopropylidendithiobis-(2,6-di-tert.butyphenol).