RO79689B - Process for continuously preparing ethylene oxide - Google Patents

Process for continuously preparing ethylene oxide

Info

Publication number
RO79689B
RO79689B RO100531A RO10053180A RO79689B RO 79689 B RO79689 B RO 79689B RO 100531 A RO100531 A RO 100531A RO 10053180 A RO10053180 A RO 10053180A RO 79689 B RO79689 B RO 79689B
Authority
RO
Romania
Prior art keywords
ethylene oxide
preparing ethylene
continuously preparing
cesium
alpha
Prior art date
Application number
RO100531A
Other languages
Romanian (ro)
Other versions
RO79689A (en
Inventor
Madan Mohan Bhasin
Paul Clifford Ellgen
Charles Dean Hendri0
Original Assignee
Union Carbide Corporation
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 Union Carbide Corporation filed Critical Union Carbide Corporation
Publication of RO79689A publication Critical patent/RO79689A/en
Publication of RO79689B publication Critical patent/RO79689B/en

Links

Classifications

    • 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
    • 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
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/66—Silver or gold
    • 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
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)

Abstract

Inventia se refera la un procedeu pentru obtinerea oxidului de etilena utilizînd un catalizator care contine pe un suport de alfa-alumina cu suprafata specifica mai mica de 1m2/g si cu un volum al porilor de aproximativ 0,2...0,6 cm3/g, 2...20% de preferinta 6...15% Ag asociat în mod obligatoriu cu cesiu si cu cel putin un metal alcalin ales dintre Li, Na, K, Rb, într-o astfel de proportie încît raportul dintre Ce si metalul alcalin sa fie cuprins între 100 : 1...1:100.The invention relates to a process for obtaining ethylene oxide using a catalyst containing an alpha-alumina support having a specific surface area of less than 1 m2 / g and a pore volume of about 0.2-0.6 cm3 / g, 2 ... 20%, preferably 6 ... 15%, Ag necessarily associated with cesium and at least one alkali metal selected from Li, Na, K, Rb, in such a proportion that the ratio of What alkaline metal should be between 100: 1 ... 1: 100.

RO100531A 1979-03-20 1980-03-19 Process for continuously preparing ethylene oxide RO79689B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2172779A 1979-03-20 1979-03-20
US11629280A 1980-02-13 1980-02-13

Publications (2)

Publication Number Publication Date
RO79689A RO79689A (en) 1985-04-17
RO79689B true RO79689B (en) 1985-04-30

Family

ID=26695034

Family Applications (1)

Application Number Title Priority Date Filing Date
RO100531A RO79689B (en) 1979-03-20 1980-03-19 Process for continuously preparing ethylene oxide

Country Status (15)

Country Link
AR (1) AR223210A1 (en)
AU (3) AU5651480A (en)
BR (1) BR8001603A (en)
CA (1) CA1162181A (en)
DD (2) DD151878A5 (en)
DE (1) DE3010533A1 (en)
ES (2) ES489668A0 (en)
FR (1) FR2451920A1 (en)
GB (1) GB2043481B (en)
IN (2) IN155337B (en)
IT (1) IT1130701B (en)
NL (1) NL8001615A (en)
PL (1) PL222819A1 (en)
RO (1) RO79689B (en)
SE (1) SE8002159L (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3264712D1 (en) * 1981-02-25 1985-08-22 Mitsubishi Petrochemical Co Silver-based catalyst for production of ethylene oxide
US4419276A (en) * 1981-09-30 1983-12-06 Union Carbide Corporation Silver catalyst for the manufacture of ethylene oxide and a process for preparing the catalyst
EP0085237B1 (en) * 1981-12-30 1986-07-30 Imperial Chemical Industries Plc Catalysts for the production of alkylene oxides
US4760042A (en) * 1982-03-24 1988-07-26 Scientific Design Company, Inc. Process for preparing an alkali metal-promoted silver catalyst
US4774222A (en) * 1982-06-16 1988-09-27 Scientific Design Company, Inc. Catalyst for oxidation of ethylene to ethylene oxide and process for preparing the catalyst
US4555501A (en) * 1984-05-14 1985-11-26 The Halcon Sd Group, Inc. Process for preparing silver catalysts
JPS6110570A (en) * 1984-06-25 1986-01-18 Mitsui Toatsu Chem Inc Preparation of ethylene oxide
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
FR2597098B1 (en) * 1986-04-11 1989-01-13 Atochem SILVER-BASED CATALYSTS FOR THE MANUFACTURE OF ETHYLENE OXIDE
GB2190855A (en) * 1986-05-28 1987-12-02 Shell Int Research Process for the preparation of a silver-containing catalyst
DE3643248A1 (en) * 1986-12-18 1988-06-30 Basf Ag SILVER CATALYST, ITS PRODUCTION AND USE
US5057481A (en) * 1987-02-20 1991-10-15 Union Carbide Chemicals And Plastics Technology Corporation Catalyst composition for oxidation of ethylene to ethylene oxide
US4908343A (en) * 1987-02-20 1990-03-13 Union Carbide Chemicals And Plastics Company Inc. Catalyst composition for oxidation of ethylene to ethylene oxide
US5008413A (en) * 1989-10-23 1991-04-16 Scientific Design Company, Inc. Catalyst for oxidation of ethylene to ethylene oxide
GB2248068A (en) * 1990-09-21 1992-03-25 Exxon Chemical Patents Inc Oil compositions and novel additives
US5525740A (en) * 1993-03-01 1996-06-11 Scientific Design Company, Inc. Process for preparing silver catalyst and process of using same to produce ethylene oxide
US6184175B1 (en) * 1993-03-01 2001-02-06 Scientic Design Company, Inc. Process for preparing silver catalyst
US5602070A (en) * 1995-01-09 1997-02-11 Scientific Design Company, Inc. Process for preparing silver catalyst
US10159961B2 (en) * 2006-04-18 2018-12-25 Dow Global Technologies Llc Alkylene oxide catalyst and use thereof
USD813681S1 (en) 2016-11-18 2018-03-27 Can't Live Without It, LLC Bottle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2640540C3 (en) * 1976-09-09 1988-07-28 Basf Ag, 6700 Ludwigshafen Catalyst for the production of ethylene oxide
US4168247A (en) * 1976-05-28 1979-09-18 Imperial Chemical Industries Limited Catalysts for the production of alkylene oxides
DE2819595A1 (en) * 1977-05-12 1978-12-07 Basf Ag CATALYST FOR THE PRODUCTION OF ETHYLENE OXIDE

Also Published As

Publication number Publication date
ES497678A0 (en) 1982-03-01
IN156399B (en) 1985-07-20
ES8104803A1 (en) 1981-04-16
AR223210A1 (en) 1981-07-31
IT1130701B (en) 1986-06-18
GB2043481A (en) 1980-10-08
FR2451920B1 (en) 1984-01-27
DD151878A5 (en) 1981-11-11
AU2178888A (en) 1988-12-08
ES8202694A1 (en) 1982-03-01
DD160187A5 (en) 1983-05-11
AU5651480A (en) 1980-09-25
GB2043481B (en) 1984-03-07
IT8020711A0 (en) 1980-03-17
BR8001603A (en) 1980-11-18
PL222819A1 (en) 1981-02-13
IN155337B (en) 1985-01-19
DE3010533A1 (en) 1980-10-02
ES489668A0 (en) 1981-04-16
CA1162181A (en) 1984-02-14
NL8001615A (en) 1980-09-23
SE8002159L (en) 1980-11-14
AU5081585A (en) 1986-05-15
FR2451920A1 (en) 1980-10-17
RO79689A (en) 1985-04-17

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