IN170714B - - Google Patents

Info

Publication number
IN170714B
IN170714B IN688/CAL/88A IN688CA1988A IN170714B IN 170714 B IN170714 B IN 170714B IN 688CA1988 A IN688CA1988 A IN 688CA1988A IN 170714 B IN170714 B IN 170714B
Authority
IN
India
Prior art keywords
activated alumina
particles
bulk stabilizer
mixture
alumina
Prior art date
Application number
IN688/CAL/88A
Other languages
English (en)
Inventor
Chung Zong Wan
Original Assignee
Engelhard Corp
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 Engelhard Corp filed Critical Engelhard Corp
Publication of IN170714B publication Critical patent/IN170714B/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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • 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
    • B01J23/56—Platinum group metals
    • B01J23/58—Platinum group metals with alkali- or alkaline earth metals
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
    • B01J27/053—Sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IN688/CAL/88A 1987-08-13 1988-08-16 IN170714B (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8590387A 1987-08-13 1987-08-13

Publications (1)

Publication Number Publication Date
IN170714B true IN170714B (fi) 1992-05-09

Family

ID=22194744

Family Applications (1)

Application Number Title Priority Date Filing Date
IN688/CAL/88A IN170714B (fi) 1987-08-13 1988-08-16

Country Status (11)

Country Link
EP (1) EP0303495B1 (fi)
JP (1) JP2669861B2 (fi)
KR (1) KR960011048B1 (fi)
CN (1) CN1021801C (fi)
AT (1) ATE71311T1 (fi)
AU (1) AU622867B2 (fi)
BR (1) BR8804091A (fi)
CA (1) CA1326232C (fi)
DE (1) DE3867564D1 (fi)
FI (1) FI93519C (fi)
IN (1) IN170714B (fi)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3688871B2 (ja) * 1997-11-20 2005-08-31 ダイハツ工業株式会社 排気ガス浄化用触媒
JP3827838B2 (ja) * 1997-11-20 2006-09-27 ダイハツ工業株式会社 排気ガス浄化用触媒
DE19847008A1 (de) * 1998-10-13 2000-04-20 Degussa Stickoxid-Speicherkatalysator
KR100482426B1 (ko) * 1999-12-22 2005-04-14 주식회사 포스코 내열성 감마알루미나 제조 방법
EP2436442B1 (en) 2009-05-27 2018-04-11 Cataler Corporation Method for manufacturing an exhaust gas-purifying catalyst
DE102010022503A1 (de) * 2010-06-02 2011-12-08 Emitec Gesellschaft Für Emissionstechnologie Mbh Komponente und Abgasbehandlungseinheit sowie Verfahren zur Herstellung einer solchen Abgasbehandlungseinheit
EP2808081A4 (en) * 2012-01-23 2015-08-26 N E Chemcat Corp BARIUM SULPHATE CONTAINING ALUMINUM MATERIAL AND EXHAUST GAS CLEANING CATALYST THEREOF
US8835346B2 (en) * 2012-07-27 2014-09-16 Basf Corporation Catalyst materials
CN104902994B (zh) * 2012-11-06 2018-01-02 索尔维公司 过氧化氢的直接合成
CN103611521A (zh) * 2013-12-10 2014-03-05 山东允能催化技术有限公司 一种加钡改性γ-氧化铝催化剂涂覆材料及制备方法
KR102344231B1 (ko) 2016-07-29 2021-12-28 스미또모 가가꾸 가부시끼가이샤 알루미나 및 그것을 사용한 자동차 촉매의 제조 방법
JP2022539047A (ja) * 2019-06-27 2022-09-07 ビーエーエスエフ コーポレーション 触媒物品および触媒物品を製造する方法
CN113750996B (zh) * 2021-09-29 2023-10-20 无锡威孚环保催化剂有限公司 一种增强内燃机尾气净化的催化剂及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4362651A (en) * 1979-03-22 1982-12-07 Schwarzenbek Eugene F High porosity catalysts
US4258026A (en) * 1979-03-26 1981-03-24 General Atomic Company Hydrogen iodide decomposition
GB2142253A (en) * 1983-06-27 1985-01-16 Johnson Matthey Plc Exhaust gas purification catalysts
CA1255646A (en) * 1984-08-16 1989-06-13 Leo A. Rheaume Cracking catalyst/sulfur oxide gettering agent compositions
JPS6158805A (ja) * 1984-08-30 1986-03-26 三井三池化工機株式会社 Ｓｏ２含有ガス中のｎｈ３を除去する方法
JPH064545B2 (ja) * 1985-09-11 1994-01-19 住友化学工業株式会社 シクロオレフインの製造方法

Also Published As

Publication number Publication date
FI883762A0 (fi) 1988-08-12
BR8804091A (pt) 1989-03-07
CA1326232C (en) 1994-01-18
CN1021801C (zh) 1993-08-18
EP0303495A1 (en) 1989-02-15
AU2090888A (en) 1989-02-16
ATE71311T1 (de) 1992-01-15
KR960011048B1 (ko) 1996-08-16
FI883762A (fi) 1989-02-14
JPS6458349A (en) 1989-03-06
DE3867564D1 (de) 1992-02-20
FI93519B (fi) 1995-01-13
FI93519C (fi) 1995-04-25
CN1031195A (zh) 1989-02-22
EP0303495B1 (en) 1992-01-08
AU622867B2 (en) 1992-04-30
KR890003442A (ko) 1989-04-14
JP2669861B2 (ja) 1997-10-29

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