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
    • B01J37/0009—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
    • B01J37/0217—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
    • 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0444495B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP3249143B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR0165840B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE93411T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR9100820A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA2037086C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE4006346A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES2026437T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
MX (1) MX173506B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA91337B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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
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
MY124615A (en) 1998-09-03 2006-06-30 Dow Global Technologies Inc Autothermal process for the production of olefins
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
KR0165840B1 (ko) 1998-12-15
ES2026437T3 (es) 1994-01-01
CA2037086A1 (en) 1991-09-02
DE59100311D1 (de) 1993-09-30
JP3249143B2 (ja) 2002-01-21
CA2037086C (en) 1997-09-30
DE4006346C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-01-30
EP0444495A1 (de) 1991-09-04
DE4006346A1 (de) 1991-09-05
MX173506B (es) 1994-03-10
EP0444495B1 (de) 1993-08-25
BR9100820A (pt) 1991-11-05
JPH06142527A (ja) 1994-05-24
ES2026437T1 (es) 1992-05-01
ATE93411T1 (de) 1993-09-15
KR910016381A (ko) 1991-11-05
US5139993A (en) 1992-08-18

Similar Documents

Publication Publication Date Title
ZA91337B (en) A process for improving the thermal shock resistance of monolithic catalysts
EP0177209A3 (en) Consolidation of a part from separate metallic components
DE3584679D1 (de) Zyklonverbrennungsverfahren unter druck und brenner fuer feste brennstoffteilchen.
IL62134A0 (en) Manufacture of shaped bodies comprising particulate carbon
AU5988186A (en) Process and device for catalytic cracking of charges of hydrocarbons, with temperature control of the reaction
DE3363892D1 (en) Process for producing refractory powder
ATE76794T1 (de) Verfahren und anordnung zur thermo-mechanischen regenerierung von schuettguetern, insbesondere von giesserei-altsandt.
YU45372B (en) Process for air pre-heating for burning at cracking of carbohydrogens with steam
KR930004227A (ko) 세라믹 성형체 유도 가열 방법
TR25811A (tr) Hurda veya benzerlerinin ergitilmesine mahsus bir usul olup usul ve usulune gerceklestirilmesine mahsus tertibat
AU1026388A (en) Process of thermally cracking hydrocarbons using particulate solids as heat carrier
YU59289A (en) Process for catalytic burning organic suspensions and catalytic burner for burning thereof
AU587203B2 (en) Method of producing carbonaceous bodies
US4606748A (en) Method for producing ceramic-glass-ceramic seals by microwave heating
YU68480A (en) Furnace for burning various kinds of fuel,heated by solid and liquid fuel
CA2048006A1 (en) Electronic combustion furnace
DK375288D0 (da) Fremgangsmaade til fremstilling af et med en uorganisk oxidmatriks bundet poroest, krystallinsk silicat samt anvendelse af det herved fremstillede produkt ved katalytisk krakning af carbonhydrider
JPS56119664A (en) Brazing method
GB2012746A (en) Process of treating glass batch material
DE3065381D1 (en) Process for treating by drying and/or heating combustible granular and/or pulverulent material, and assembly for carrying out the process
JPS55158135A (en) Glass melting method and its furnace
DE3271082D1 (en) Ceramic heat insulating shaped body and process for the preparation thereof
Nicolson Method for Applying Material to a Substrate
GB1370288A (en) Method of glazing a surface
SE8301306L (sv) Smeltugn med styv uppbyggnad