ZA91337B - A process for improving the thermal shock resistance of monolithic catalysts - Google Patents

A process for improving the thermal shock resistance of monolithic catalysts

Info

Publication number
ZA91337B
ZA91337B ZA91337A ZA91337A ZA91337B ZA 91337 B ZA91337 B ZA 91337B ZA 91337 A ZA91337 A ZA 91337A ZA 91337 A ZA91337 A ZA 91337A ZA 91337 B ZA91337 B ZA 91337B
Authority
ZA
South Africa
Prior art keywords
shock resistance
thermal shock
improving
filling material
monolithic catalysts
Prior art date
Application number
ZA91337A
Other languages
English (en)
Inventor
Felix Schmidt
Schmidt Felix
Rainer Domesle
Domesle Rainer
Bernd Mergner
Mergner Bernd
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of ZA91337B publication Critical patent/ZA91337B/xx

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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • 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
    • B01J37/0215—Coating
    • B01J37/0217—Pretreatment of the substrate before coating
    • 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
    • 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
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
    • 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
    • B01J37/0215—Coating
    • B01J37/0219—Coating the coating containing organic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
ZA91337A 1990-03-01 1991-01-16 A process for improving the thermal shock resistance of monolithic catalysts ZA91337B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4006346A DE4006346A1 (de) 1990-03-01 1990-03-01 Verfahren zur herstellung von monolith-katalysatoren mit verbesserten thermoschockeigenschaften

Publications (1)

Publication Number Publication Date
ZA91337B true ZA91337B (en) 1991-11-27

Family

ID=6401150

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA91337A ZA91337B (en) 1990-03-01 1991-01-16 A process for improving the thermal shock resistance of monolithic catalysts

Country Status (11)

Country Link
US (1) US5139993A (xx)
EP (1) EP0444495B1 (xx)
JP (1) JP3249143B2 (xx)
KR (1) KR0165840B1 (xx)
AT (1) ATE93411T1 (xx)
BR (1) BR9100820A (xx)
CA (1) CA2037086C (xx)
DE (2) DE4006346A1 (xx)
ES (1) ES2026437T3 (xx)
MX (1) MX173506B (xx)
ZA (1) ZA91337B (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5346722A (en) * 1993-05-18 1994-09-13 Corning Incorporated Method for improving the thermal shock resistance of a washcoated body
DE4406431C2 (de) * 1994-02-28 1996-06-05 Bosch Gmbh Robert Verfahren zur Herstellung poröser,gaspermeabler, katalytisch wirksamer Teile mit inneren Oberflächen
DE4409142C2 (de) * 1994-03-17 1996-03-28 Degussa Verfahren zum Aufbringen einer Beschichtung auf die Wabenkörper eines Abgaskonverters und Verwendung des Abgaskonverters für die Abgasreinigung von Verbrennungsmaschinen
JP3394449B2 (ja) 1998-06-18 2003-04-07 日本碍子株式会社 薄壁ハニカム構造体およびその補強方法
ID27739A (id) * 1998-09-03 2001-04-26 Dow Chemical Co Proses autothermal untuk produksi olefin-olefin
EP1295637A1 (en) * 1998-09-03 2003-03-26 The Dow Chemical Company A catalyst composition comprising a group 8B metal and a prometer on a ceramic support
DE10254661A1 (de) * 2002-11-22 2004-06-09 Umicore Ag & Co.Kg Verfahren zur Beschichtung eines Katalysatorträgers enthaltend zwei unterschiedliche Teilstrukturen mit einer katalytisch aktiven Beschichtung und dadurch erhaltener Katalysator
US7132150B2 (en) * 2003-08-14 2006-11-07 Corning Incorporated Porous ceramic filters with catalyst coatings
US7964262B2 (en) * 2006-08-29 2011-06-21 Corning Incorporated Layered silicate modified cordierite and method
US20090142488A1 (en) * 2007-11-29 2009-06-04 Willard Ashton Cutler Passivation of porous ceramic articles
JP2019013857A (ja) * 2015-11-30 2019-01-31 住友化学株式会社 ハニカムフィルタ中間体、ハニカムフィルタ、及び、これらの製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5814950A (ja) * 1981-07-18 1983-01-28 Nippon Soken Inc 活性アルミナコ−テイングハニカム構造触媒担体
US4483940A (en) * 1981-11-24 1984-11-20 Nippon Shokubai Kagaku Kogyo Co., Ltd. Method for manufacture of honeycomb catalyst
US4532228A (en) * 1984-01-19 1985-07-30 Corning Glass Works Treatment of monolithic catalyst supports
FR2605531B1 (fr) * 1986-10-27 1990-11-23 Rhone Poulenc Chimie Procede de preparation d'un support de catalyseur mettant en oeuvre de la gomme xanthane et support obtenu

Also Published As

Publication number Publication date
ES2026437T1 (es) 1992-05-01
MX173506B (es) 1994-03-10
DE4006346C2 (xx) 1992-01-30
EP0444495B1 (de) 1993-08-25
KR0165840B1 (ko) 1998-12-15
ES2026437T3 (es) 1994-01-01
DE59100311D1 (de) 1993-09-30
JPH06142527A (ja) 1994-05-24
BR9100820A (pt) 1991-11-05
DE4006346A1 (de) 1991-09-05
EP0444495A1 (de) 1991-09-04
CA2037086A1 (en) 1991-09-02
KR910016381A (ko) 1991-11-05
US5139993A (en) 1992-08-18
ATE93411T1 (de) 1993-09-15
JP3249143B2 (ja) 2002-01-21
CA2037086C (en) 1997-09-30

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