KR870004728A - 은촉매 및 그의 제조방법 - Google Patents

은촉매 및 그의 제조방법 Download PDF

Info

Publication number
KR870004728A
KR870004728A KR860009165A KR860009165A KR870004728A KR 870004728 A KR870004728 A KR 870004728A KR 860009165 A KR860009165 A KR 860009165A KR 860009165 A KR860009165 A KR 860009165A KR 870004728 A KR870004728 A KR 870004728A
Authority
KR
South Korea
Prior art keywords
silver
carrier
silver catalyst
producing
acid
Prior art date
Application number
KR860009165A
Other languages
English (en)
Other versions
KR900007321B1 (ko
Inventor
빌헤름 제우스 죤
리카도 매이마 감츠
엘리사베스 본가르츠 제코부스
Original Assignee
리차드 지. 워터맨
더 다우 케미칼 캄파니
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 리차드 지. 워터맨, 더 다우 케미칼 캄파니 filed Critical 리차드 지. 워터맨
Publication of KR870004728A publication Critical patent/KR870004728A/ko
Application granted granted Critical
Publication of KR900007321B1 publication Critical patent/KR900007321B1/ko

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
    • B01J23/48—Silver or gold
    • B01J23/50—Silver
    • 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—
    • B01J35/50—
    • 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
    • B01J37/06—Washing
    • 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
    • B01J37/08—Heat treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/37—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
    • C07C45/38—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups being a primary hydroxyl group

Abstract

내용 없음

Description

은촉매 및 그의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 : 본 발명에 따른 실시예 담체물질에 균일하게 은이 분포된 것을 보여주는 대표적인 전자 현미경 확대사진.
제2도 : 본 발명에 실시예에 따른 두개의 촉매를 850℃에서 19시간 공기중에서 소성시킨 후의 전자 현미경 확대사진.

Claims (14)

  1. 미세하게 분쇄된 은입자가 열에 안정한 불활성 담체에 부가되어 이루어진 은촉매에 있어서, 담체표면의 적어도 1%가 계단 또는 계단구조물로 형성됨을 특징으로 하는 은촉매.
  2. 제1항에 있어서, 담체표면의 적어도 5%가 계단 또는 계단구조물로 형성됨을 특징으로 하는 은촉매.
  3. 제1항 또는 2항에 있어서, 담체물질이 α-산화알루미늄인 은촉매.
  4. 열에 안정한 불활성 당체물질상에 은이온을 부착한 후 환원시켜 금속은으로 하여 은촉매를 제조함에 있어서, 사용하는 담체표면의 적어도 1%가 계단 또는 계단구조물을 형성됨을 특징으로 하는 은촉매의 제조방법.
  5. 제4항에 있어서, 담체물질 표면의 5%가 계단 또는 계단구조물로 형성됨을 특징으로 하는 은촉매의 제조방법.
  6. 제4항 내지 5항에 있어서, 담체물질이 α-산화알루미늄인 은촉매의 제조방법.
  7. 제4 내지 6항의 어는 한 항에 있어서, 은입자를 부가하기 전에 담체물질을 1,000℃ 이상의 온도에서 가열함을 특징으로 하는 은촉매의 제조방법.
  8. 제4 내지 6항의 어는 한 항에 있어서, 실질적으로 α-산화알루미늄으로 구성된 담체물질을, 은입자를 부가하기 전에 산처리함을 특징으로 하는 은촉매의 제조방법.
  9. 제8항에 있어서, 산처리 후에 물로 세척함을 특징으로 하는 은촉매의 제조방법.
  10. 제9항에 있어서, 산처리 후의 물세척시, 세척된 물에 산잔사가 나타나지 않을 때까지 담체를 세척함을 특징으로 하는 은촉매의 제조방법.
  11. 제8 내지 10항의 어느 한 항에 있어서, pKa≤3의 산을 사용함을 특징으로 하는 은촉매의 제조방법.
  12. 제8 내지 11항의 어느 한 항에 있어서, HCI, HNO3, H3PO4및 H2SO 및 옥살산으로 이루어진 그룹으로 부터 선택된 사용함을 특징으로 하는 은촉매의 제조방법.
  13. 제8 내지 12항의 어느 한 항에 있어서, pH＜4의 산용액으로 담체를 처리함을 특징으로 하는 은촉매의 제조방법.
  14. 촉매 선택성 산화반응, 특히 에틸렌에서 산화에틸렌으로 또는 메탄올에서 포름알데히드로의 산화를 수행함에 있어서, 제4항 내지 13항중 어느 한 항의 방법으로 제조된 촉매를 사용함을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860009165A 1985-11-01 1986-10-31 은촉매 및 그의 제조방법 KR900007321B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL8502993A NL8502993A (nl) 1985-11-01 1985-11-01 Zilverkatalysator, alsmede werkwijze voor de bereiding daarvan.
NL8502993 1985-11-01
US8502993 1985-11-01

Publications (2)

Publication Number Publication Date
KR870004728A true KR870004728A (ko) 1987-06-01
KR900007321B1 KR900007321B1 (ko) 1990-10-08

Family

ID=19846793

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860009165A KR900007321B1 (ko) 1985-11-01 1986-10-31 은촉매 및 그의 제조방법

Country Status (12)

Country Link
US (1) US4786743A (ko)
EP (1) EP0221615B1 (ko)
JP (1) JPH0644998B2 (ko)
KR (1) KR900007321B1 (ko)
AU (1) AU588644B2 (ko)
BR (1) BR8605387A (ko)
CA (1) CA1285260C (ko)
DE (1) DE3679776D1 (ko)
ES (1) ES2022116B3 (ko)
IN (1) IN168854B (ko)
NL (1) NL8502993A (ko)
SG (1) SG77591G (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180086377A (ko) * 2017-01-20 2018-07-31 주식회사 효성 탈수소 촉매의 제조방법

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3921452A1 (de) * 1989-06-30 1991-01-03 Hoechst Ag Verfahren zur herstellung von carbonylverbindungen
US6265528B1 (en) 1998-11-12 2001-07-24 Bp Corporation North America Inc. Preparation of polyoxymethylene dimethyl ethers by acid-activated catalytic conversion of methanol with formaldehyde formed by oxy-dehydrogenation of dimethyl ether
US6160174A (en) * 1998-11-12 2000-12-12 Bp Amoco Corporation Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by oxy-dehydrogenation of methanol
US6987080B2 (en) * 2002-03-01 2006-01-17 Scientific Design Company, Inc. Ethylene oxide catalyst carrier preparation
EP1675678B1 (en) 2003-10-16 2011-09-28 Dow Technology Investments LLC Catalysts having enhanced stability, efficiency and/or activity for alkylene oxide production
US7091386B1 (en) * 2004-05-03 2006-08-15 U.S. Department Of Energy Method for facilitating catalyzed oxidation reactions, device for facilitating catalyzed oxidation reactions
US7507844B2 (en) * 2005-05-09 2009-03-24 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Nanometer scale restructuring of alumina carrier surface and catalysts for the production of alkene oxides
DE102008045148A1 (de) * 2008-09-01 2010-03-04 Allgemeine Gold- Und Silberscheideanstalt Aktiengesellschaft Silberkatalysator zur Formaldehyd-Herstellung
CN102397795B (zh) 2010-09-13 2014-03-19 中国石油化工股份有限公司 环氧乙烷生产用银催化剂的载体、其制备方法、由其制成的银催化剂及其应用
CN102441408B (zh) * 2010-10-13 2014-05-21 中国石油化工股份有限公司 一种加氢催化剂的制备方法
CN102463141B (zh) * 2010-11-02 2015-05-06 中国石油化工股份有限公司 一种氧化铝载体、其制备方法、由其制成的银催化剂及其应用
CN103357440B (zh) * 2012-03-28 2015-03-11 中国石油化工股份有限公司 氧化铝载体的改性、及其负载的银催化剂的制备及其应用
CN103721755B (zh) * 2012-10-12 2016-03-30 中国石油化工股份有限公司 一种银催化剂用多孔α-氧化铝载体的表面改性方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US925193A (en) * 1908-08-04 1909-06-15 Ludwig Rothschild Separable button.
US925195A (en) * 1908-08-14 1909-06-15 Hay Ladder Lock Company Brake-actuating mechanism for vehicles.
US2424085A (en) * 1943-08-11 1947-07-15 Shell Dev Supported silver catalyst and its preparation
FR1137624A (fr) * 1955-10-11 1957-05-31 Chempatents Catalyseur pour l'oxydation directe partielle des oléfines
GB1241480A (en) * 1968-11-23 1971-08-04 Sir Soc Italiana Resine Spa Method of preparing supported oxidation catalysts for producing ethylene oxide
GB1433885A (en) * 1972-03-15 1976-04-28 I Khim Fiz Akademii Nauk Sssr Method of preparing a heterogeneous catalyst
IT971362B (it) * 1972-11-30 1974-04-30 Sir Soc Italiana Resine Spa Procedimento per la produzione dell ossido di etilene mediante ossidazione dell etilene e cata lizzatore relativo
FR2528721B1 (fr) * 1982-06-17 1986-02-28 Pro Catalyse Ste Fse Prod Cata Catalyseur supporte presentant une resistance accrue aux poisons et son utilisation en particulier pour l'hydrotraitement de fractions petrolieres contenant des metaux
DE3239886A1 (de) * 1982-10-28 1984-05-03 Basf Ag, 6700 Ludwigshafen Verfahren zur regenerierung des al(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)3(pfeil abwaerts)-traegermaterials gebrauchter ag/al(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)3(pfeil abwaerts)-traegerkatalysatoren
EP0207541B1 (en) * 1985-06-28 1989-10-11 Shell Internationale Researchmaatschappij B.V. Process for the preparation of a silver-containing catalyst
IN170003B (ko) * 1985-06-28 1992-01-25 Shell Int Research
EP0207542B1 (en) * 1985-06-28 1989-05-24 Shell Internationale Researchmaatschappij B.V. Process for the preparation of a silver-containing catalyst

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180086377A (ko) * 2017-01-20 2018-07-31 주식회사 효성 탈수소 촉매의 제조방법

Also Published As

Publication number Publication date
US4786743A (en) 1988-11-22
EP0221615B1 (en) 1991-06-12
JPH0644998B2 (ja) 1994-06-15
EP0221615A1 (en) 1987-05-13
CA1285260C (en) 1991-06-25
DE3679776D1 (de) 1991-07-18
IN168854B (ko) 1991-06-29
AU6459686A (en) 1987-05-07
KR900007321B1 (ko) 1990-10-08
AU588644B2 (en) 1989-09-21
BR8605387A (pt) 1987-08-11
SG77591G (en) 1991-11-15
NL8502993A (nl) 1987-06-01
ES2022116B3 (es) 1991-12-01
JPS62168547A (ja) 1987-07-24

Similar Documents

Publication Publication Date Title
KR870004728A (ko) 은촉매 및 그의 제조방법
US4040981A (en) Process for producing denitrating catalysts
CA1049483A (en) Thermally stable, shaped alumina catalyst carriers
JPH045494B2 (ko)
US2123732A (en) Catalyst composition and method of making same
KR900016117A (ko) 아크릴로니트릴의 제조방법
KR890012697A (ko) 촉매를 위한 캐리어물질과 그의 제조방법
EP0135145A2 (en) Solid acid catalysts and process of producing the same
Morimoto et al. The Heat of Immersion of Ferric Oxide in Water
JPS5512437A (en) Enzyme electrode
US4206081A (en) Process for producing highly active denitrating catalysts
US2191464A (en) Certificate op correction
US4170574A (en) Process for producing oxidizing metal catalysts incorporating platinum and catalyst produced by the process
KR910004247A (ko) 금속촉매용 지지물로서 촉매효과를 향상시키는 새로운 또는 노후된 흑연 분말의 처리방법
JPH0323483B2 (ko)
CN85105418A (zh) 治理高浓度氮氧化物的脱硝催化剂
US1916249A (en) Catalyst
JPS5712827A (en) Manufacture of mo-bi-sb catalyst
JPS6071507A (ja) 膨張黒鉛の製造方法
JPH0252042A (ja) 空気の浄化剤及びその製造方法
GB343285A (en) Process for the manufacture of carrier bodies for catalytic agents
JPH0144647B2 (ko)
JPS5210488A (en) Preparation of l-malic acid
RU1824234C (ru) Способ приготовлени катализатора дл очистки отход щих газов от органических веществ
JPS57159540A (en) Oxidizing catalyst

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19951004

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee