IT941880B - SILVER-BASED CATALYSTS AND THEIR PREPARATION AND USE IN PARTICULAR IN THE PREPARATION OF ETHYLENE OXIDE - Google Patents

SILVER-BASED CATALYSTS AND THEIR PREPARATION AND USE IN PARTICULAR IN THE PREPARATION OF ETHYLENE OXIDE

Info

Publication number
IT941880B
IT941880B IT31846/71A IT3184671A IT941880B IT 941880 B IT941880 B IT 941880B IT 31846/71 A IT31846/71 A IT 31846/71A IT 3184671 A IT3184671 A IT 3184671A IT 941880 B IT941880 B IT 941880B
Authority
IT
Italy
Prior art keywords
preparation
silver
ethylene oxide
based catalysts
catalysts
Prior art date
Application number
IT31846/71A
Other languages
Italian (it)
Original Assignee
Shell Nv
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 Shell Nv filed Critical Shell Nv
Application granted granted Critical
Publication of IT941880B publication Critical patent/IT941880B/en

Links

Classifications

    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48—Silver or gold
    • B01J23/50—Silver
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D301/00—Preparation of oxiranes
    • C07D301/02—Synthesis of the oxirane ring
    • C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/04—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
    • C07D301/08—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase
    • C07D301/10—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase with catalysts containing silver or gold

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)
  • Epoxy Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IT31846/71A 1970-12-02 1971-11-30 SILVER-BASED CATALYSTS AND THEIR PREPARATION AND USE IN PARTICULAR IN THE PREPARATION OF ETHYLENE OXIDE IT941880B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9436670A 1970-12-02 1970-12-02
US9426970A 1970-12-02 1970-12-02

Publications (1)

Publication Number Publication Date
IT941880B true IT941880B (en) 1973-03-10

Family

ID=26788686

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31846/71A IT941880B (en) 1970-12-02 1971-11-30 SILVER-BASED CATALYSTS AND THEIR PREPARATION AND USE IN PARTICULAR IN THE PREPARATION OF ETHYLENE OXIDE

Country Status (16)

Country Link
JP (1) JPS5522146B1 (en)
AU (1) AU458053B2 (en)
BE (1) BE775697A (en)
CA (1) CA1004214A (en)
CH (1) CH587080A5 (en)
CS (1) CS191201B2 (en)
DD (1) DD96643A5 (en)
DE (1) DE2159346C3 (en)
FR (1) FR2117183A5 (en)
GB (1) GB1369639A (en)
IE (1) IE35857B1 (en)
IT (1) IT941880B (en)
NL (1) NL171237C (en)
NO (1) NO130419B (en)
SE (1) SE374279B (en)
SU (2) SU490278A3 (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL172326C (en) * 1972-12-15 1984-02-16 Shell Int Research PROCESS FOR PREPARING ETHYLENE OXIDE, PROCESS FOR PREPARING A CATALYST USED THEREIN, AND PRODUCTS FORMED, CONTAINING THIS CATALYST.
DE2418712C2 (en) * 1974-04-18 1982-07-29 Nižnetagil'skij zavod plastmass, Nižnij Tagil, Sverdlovskaja oblast' Process for the production of formaldehyde by the oxidation of methanol in the presence of a silver catalyst
GB1517608A (en) * 1975-12-29 1978-07-12 Texaco Development Corp Silver catalyst for ethylene epoxidation
US4097414A (en) * 1976-08-30 1978-06-27 Texaco Development Corp. Modified ethylene oxide catalyst and a process for its preparation
FR2432023A2 (en) * 1978-04-28 1980-02-22 Ugine Kuhlmann SILVER-BASED CATALYSTS FOR THE PRODUCTION OF ETHYLENE OXIDE
JPS57168253U (en) * 1981-04-18 1982-10-23
JPS5895665U (en) * 1981-12-23 1983-06-29 株式会社リコー Foto Katsupura
EP0172565B1 (en) * 1984-08-21 1991-03-13 Mitsubishi Petrochemical Co., Ltd. Silver catalyst for production of ethylene oxide from ethylene, and process for production thereof
JPS61114862U (en) * 1984-12-28 1986-07-19
DE3528313A1 (en) * 1985-08-07 1987-02-12 Basf Ag SILVER CATALYST, ITS PRODUCTION AND USE
JPH0678271B2 (en) * 1986-07-12 1994-10-05 三菱油化株式会社 Method for producing silver oxalate
DE59003342D1 (en) * 1989-11-09 1993-12-09 Huels Chemische Werke Ag Silver catalyst for the oxidation of ethylene and process for its production.
US5173469A (en) * 1989-11-09 1992-12-22 Huels Aktiengesellschaft Silver catalyst suitable for oxidation of ethylene and process for the production of the catalyst
DE3937247A1 (en) * 1989-11-09 1991-05-16 Huels Chemische Werke Ag Silver catalyst for oxidn. of ethylene to ethylene oxide - by pptn. of silver on porous, heat-resistant support so concn. of silver at surface is higher than inside particles
DE10131297A1 (en) 2001-06-29 2003-01-09 Basf Ag Production of partial (ammo)oxidation products of an olefinic hydrocarbon, useful for acrolein/acrylic acid from propane, comprises intermittent supplementation of olefin from another source.
DE10232482A1 (en) 2002-07-17 2004-01-29 Basf Ag Process for the safe operation of a continuous heterogeneously catalyzed gas phase partial oxidation of at least one organic compound
US7115776B2 (en) 2002-07-18 2006-10-03 Basf Aktiengesellschaft Heterogeneously catalyzed gas-phase partial oxidation of at least one organic compound
US6958414B2 (en) 2002-12-16 2005-10-25 Basf Aktiengesellschaft Preparation of at least one organic compound by heterogeneously catalyzed partial gas-phase oxidation
KR101175371B1 (en) 2003-08-06 2012-08-20 바스프 에스이 Method for operating a continuous heterogeneously catalysed gas-phase partial oxidation of at least one organic compound
WO2005113123A1 (en) 2004-05-07 2005-12-01 Basf Aktiengesellschaft Method for structurally filling contact tubes of a bank of contact tubes
DE102004025445A1 (en) 2004-05-19 2005-02-10 Basf Ag Gas-phase partial oxidation of an organic compound on a heterogeneous catalyst comprises counteracting deactivation of the catalyst by increasing the gas pressure
US7439389B2 (en) 2005-03-01 2008-10-21 Basf Aktiengesellschaft Process for preparing at least one organic target compound by heterogeneously catalyzed gas phase partial oxidation
DE102006000996A1 (en) 2006-01-05 2007-07-12 Basf Ag Heterogeneously catalyzed gas phase partial oxidation of organic compound in fixed catalyst bed involves recovering quality of catalyst bed by replacing its portion, with a catalyst having activity lower than that of the replaced catalyst
EP1734030A1 (en) 2006-01-18 2006-12-20 BASF Aktiengesellschaft Method for long term operation of a heterogeneously catalysed gas phase partial oxidation of an organic educt
DE102007004961A1 (en) 2007-01-26 2008-07-31 Basf Se Preparing a catalyst molded body, useful e.g. to prepare catalyst for gas phase partial oxidation of an organic compound, comprises molding a precursor mixture to a desired geometry, using graphite, and thermally treating the molded body
DE102007017080A1 (en) 2007-04-10 2008-10-16 Basf Se Method for feeding a longitudinal section of a contact tube
DE102007025869A1 (en) 2007-06-01 2008-07-03 Basf Se To service tube bundle of gas-phase hydrocarbon oxidation reactor immediately prior to re-charging with fresh bed of catalyst solids, they are brushed internally
DE102007028333A1 (en) 2007-06-15 2008-12-18 Basf Se Method for introducing a subset taken from at least one production batch of annular shell catalysts K into a reaction tube of a tube bundle reactor
DE102007028332A1 (en) 2007-06-15 2008-12-18 Basf Se A method for feeding a reactor with a fixed catalyst bed comprising at least annular shaped catalyst bodies K.
DE102012212437A1 (en) 2012-07-16 2014-01-16 Basf Se Process for the preparation of acrylic acid from ethylene oxide and carbon monoxide

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2459896A (en) * 1945-01-18 1949-01-25 Schwarz George Silver impregnation
US2773844A (en) * 1953-06-12 1956-12-11 Shell Dev Method for making supported silver catalysts
US3147154A (en) * 1961-05-25 1964-09-01 Texaco Inc Method of depositing metal-containing material onto an extended surface
GB1020759A (en) * 1961-10-02 1966-02-23 Halcon International Inc Olefin oxidation process and catalyst therefor
US3423328A (en) * 1965-11-22 1969-01-21 Engelhard Ind Inc Silver-barium catalyst
GB1170663A (en) * 1967-03-22 1969-11-12 Shell Int Research Process for preparing Silver Catalysts
GB1257352A (en) * 1968-04-24 1971-12-15

Also Published As

Publication number Publication date
SU490278A3 (en) 1975-10-30
NL171237C (en) 1983-03-01
DD96643A5 (en) 1973-04-05
DE2159346B2 (en) 1977-09-15
CA1004214A (en) 1977-01-25
GB1369639A (en) 1974-10-09
CS191201B2 (en) 1979-06-29
DE2159346A1 (en) 1972-06-08
IE35857B1 (en) 1976-06-09
AU458053B2 (en) 1975-02-20
BE775697A (en) 1972-05-23
NL7116246A (en) 1972-06-06
FR2117183A5 (en) 1972-07-21
SU540554A3 (en) 1976-12-25
DE2159346C3 (en) 1982-06-03
NO130419B (en) 1974-09-02
SE374279B (en) 1975-03-03
CH587080A5 (en) 1977-04-29
AU3631471A (en) 1973-06-07
IE35857L (en) 1972-06-02
JPS5522146B1 (en) 1980-06-14
NL171237B (en) 1982-10-01

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