BR8900517A - Pecas prensadas,a base de dioxido de titanio e processo de sua fabricacao - Google Patents

Pecas prensadas,a base de dioxido de titanio e processo de sua fabricacao

Info

Publication number
BR8900517A
BR8900517A BR898900517A BR8900517A BR8900517A BR 8900517 A BR8900517 A BR 8900517A BR 898900517 A BR898900517 A BR 898900517A BR 8900517 A BR8900517 A BR 8900517A BR 8900517 A BR8900517 A BR 8900517A
Authority
BR
Brazil
Prior art keywords
titanium dioxide
die
formed articles
diameter
pores
Prior art date
Application number
BR898900517A
Other languages
English (en)
Inventor
Klaus Deller
Rainhard Klingel
Helmfried Krause
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 BR8900517A publication Critical patent/BR8900517A/pt

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063Titanium; Oxides or hydroxides thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/46Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/31Density
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/40Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • B01J35/61310-100 m2/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63Pore volume
    • B01J35/633Pore volume less than 0.5 ml/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/66Pore distribution
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0081Uses not provided for elsewhere in C04B2111/00 as catalysts or catalyst carriers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Catalysts (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
BR898900517A 1988-02-09 1989-02-03 Pecas prensadas,a base de dioxido de titanio e processo de sua fabricacao BR8900517A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3803894A DE3803894A1 (de) 1988-02-09 1988-02-09 Presslinge auf basis von pyrogen hergestelltem titandioxid, verfahren zu ihrer herstellung und ihre verwendung

Publications (1)

Publication Number Publication Date
BR8900517A true BR8900517A (pt) 1989-10-03

Family

ID=6346974

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898900517A BR8900517A (pt) 1988-02-09 1989-02-03 Pecas prensadas,a base de dioxido de titanio e processo de sua fabricacao

Country Status (9)

Country Link
US (1) US5002917A (pt)
EP (1) EP0327723B1 (pt)
JP (1) JPH0617267B2 (pt)
AT (1) ATE81494T1 (pt)
BR (1) BR8900517A (pt)
DE (2) DE3803894A1 (pt)
ES (1) ES2035234T3 (pt)
GR (1) GR3005984T3 (pt)
MX (1) MX14844A (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5231067A (en) * 1989-04-27 1993-07-27 Degussa Ag Shaped articles based on pyrogenically produced titanium dioxide, method of their production and their use
DE3913938A1 (de) * 1989-04-27 1990-10-31 Degussa Presslinge auf basis von pyrogen hergestelltem titandioxid, verfahren zu ihrer herstellung sowie ihre verwendung
DE4143539C2 (de) * 1990-03-12 1996-09-19 Ngk Insulators Ltd Verfahren zur Herstellung eines elektrochemischen Elements
JP2584881B2 (ja) * 1990-03-12 1997-02-26 日本碍子株式会社 セラミックグリーンシート並びにそれを用いた電気化学的素子の製造方法
DE4012479A1 (de) * 1990-04-19 1991-10-24 Degussa Titandioxidpresslinge, verfahren zu ihrer herstellung sowie ihre verwendung
DE4109502A1 (de) * 1991-03-22 1992-09-24 Degussa Katalysator zur haertung von fettsaeuren und verfahren zu seiner herstellung
DE4427574C2 (de) * 1994-08-04 1997-08-14 Degussa Preßlinge auf Basis von pyrogen hergestelltem Siliciumdioxid
DE19650500A1 (de) 1996-12-05 1998-06-10 Degussa Dotierte, pyrogen hergestellte Oxide
DE19654391A1 (de) * 1996-12-27 1998-07-02 Basf Ag Katalysator zur selektiven Herstellung von Propylen aus Propan
JPH11312491A (ja) * 1998-04-28 1999-11-09 Matsushita Electron Corp 蛍光ランプおよびその製造方法
DE19843845A1 (de) 1998-09-24 2000-03-30 Degussa Formkörper, bestehend aus pyrogenem Mischoxid und deren Verwendung
DE19913839A1 (de) 1999-03-26 2000-09-28 Metallgesellschaft Ag Formkörper aus Titandioxid, Verfahren zu deren Herstellung und deren Verwendung
DE19937105A1 (de) * 1999-08-06 2001-02-08 Basf Ag Oxidkatalysatoren
EP1240943A1 (en) * 2000-10-21 2002-09-18 Degussa AG Catalyst support
DE102005021623A1 (de) * 2005-05-04 2006-11-09 Sasol Germany Gmbh Verfahren zur Herstellung eines temperaturstabilen TiO2/SiO2 - Mischoxids und dessen Verwendung als Katalysatorträger
US7556793B2 (en) * 2005-06-06 2009-07-07 Saint-Gobain Ceramics & Plastics, Inc. Rutile titania catalyst carrier
EP2471743B1 (en) 2009-08-28 2016-11-16 Nanjing University of Technology Mesoporous composite titania and preparing method thereof
US20110120087A1 (en) * 2009-11-23 2011-05-26 Airflow Catalyst Systems Apparatus with Catalyst for the Reduction of Nitrogen Dioxide (NO2) to Nitric Oxide (NO) by Chemical Means in a Diesel Catalytic Support
EP3322520A1 (en) * 2015-07-14 2018-05-23 Bp P.L.C. Extruded titania-based materials comprising one or more acids or prepared using one or more acids

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2862875A (en) * 1953-04-30 1958-12-02 Jacque C Morrell Conversion of hydrocarbons with the use of a kaolin composite catalyst
US3033801A (en) * 1958-02-06 1962-05-08 Degussa Process of forming solid cakes and pellets from metal oxide aerogels
NL270252A (pt) * 1960-10-15
GB1426925A (en) * 1973-06-04 1976-03-03 British Steel Corp Production of hard titania
BE836165A (fr) * 1974-12-02 1976-06-01 Procede de preparation d'un support conforme en oxyde de titane
GB1541928A (en) * 1975-12-23 1979-03-14 Sakai Chemical Industry Co Production of shaped catalysts or carriers comprising titanium oxide
US4140654A (en) * 1976-04-16 1979-02-20 Mitsui Petrochemical Industries Ltd. Catalyst composition with support comprising titanium oxide and clay mineral for vapor phase reduction of nitrogen oxides
SU762956A1 (ru) * 1976-12-07 1980-09-15 Leonid M Sharygin Способ получения сорбента г
FR2481145A1 (fr) * 1980-04-23 1981-10-30 Rhone Poulenc Ind Procede de fabrication de catalyseurs ou de supports de catalyseurs faconnes a base d'oxyde de titane et leurs applications a la catalyse claus
DE3217751A1 (de) * 1982-05-12 1983-11-17 Degussa Ag, 6000 Frankfurt Presslinge aus pyrogen hergestelltem titandioxid, verfahren zu ihrer herstellung sowie ihre verwendung
US4517069A (en) * 1982-07-09 1985-05-14 Eltech Systems Corporation Titanium and titanium hydride reticulates and method for making
DE3406185A1 (de) * 1984-02-21 1985-09-05 Degussa Ag, 6000 Frankfurt Verfahren zur herstellung von presslingen aus pyrogen hergestellten oxiden

Also Published As

Publication number Publication date
DE3803894A1 (de) 1989-08-10
US5002917A (en) 1991-03-26
EP0327723B1 (de) 1992-10-14
ES2035234T3 (es) 1993-04-16
JPH02199058A (ja) 1990-08-07
JPH0617267B2 (ja) 1994-03-09
MX14844A (es) 1994-01-31
EP0327723A3 (en) 1989-10-18
EP0327723A2 (de) 1989-08-16
DE3875338D1 (de) 1992-11-19
ATE81494T1 (de) 1992-10-15
GR3005984T3 (pt) 1993-06-07

Similar Documents

Publication Publication Date Title
BR8900517A (pt) Pecas prensadas,a base de dioxido de titanio e processo de sua fabricacao
BR8900518A (pt) Materiais prensados,a base de dioxido de silicio,produzidas por via pirogena
CA2200595A1 (en) Use of starch for transdermal applications
HUP0303356A2 (en) Expanded perlite products with controlled particle size distribution
ATE72414T1 (de) Katalytisch aktive kieselerde und alumina-gel und verfahren zur herstellung.
BR9101795A (pt) Catalisadores e processo uteis na producao de 1,3-diois e/ou 3-hidroxialdeidos
TW430650B (en) Compacts based on pyrogenically produced silicon dioxide
BR8900519A (pt) Pecas prensadas a base de oxido de aluminio e processo para sua fabricacao
FI964791A0 (fi) Titaanidioksidiin perustuvia katalyyttien kantajia
DE69014379T2 (de) Verfahren zur Herstellung von anorganischen Oxydteilchen.
DK0452619T3 (da) Pressede formlegemer af titandioxid, fremgangsmåde til deres fremstilling samt anvendelse deraf
ZA200204491B (en) A thermally stable, high surface area, modified mesoporous aluminophosphate.
ATE75162T1 (de) Presslinge auf basis von pyrogen hergestelltem zirkondioxid, verfahren zu ihrer herstellung und ihre verwendung.
BR9200157A (pt) Composicao contendo silica e processo para sua preparacao
DE68908162T2 (de) Verfahren zur Herstellung von keramischen Produkten, insbesondere von keramischen Federn.
BR9402667A (pt) Materials refratários de bióxido de zircônio fundido não-estabilizado, materials refratários de bióxido de zircônio fundido parcialmente ou totalmente estabilizado; processo para produção de materiais refratários de bióxido de zirconio fundido não-estabilizado, ou parcialmente ou totalmente estabilizado e produtos refratários.
IT8919524A0 (it) Derivati dal 1 arilsolfonil 2 piperidone, loro procedimento di preparazione e loro impiego come farmaci.
EP0790073A4 (en) TITANIUM DIOXIDE (TIO2) CARRIER AND METHOD FOR THE PRODUCTION AND USE THEREOF
RU92016222A (ru) Используемый в качестве строительного материала экологически чистый продукт переработки отходов
HUP0200348A2 (en) Absorbent paper and a method for production thereof
ZA874188B (en) Aqueous polymer dispersion and process for the production thereof as well as its use
FR2730736B1 (fr) Nouvelles resines aqueuses autoreticulables, procede pour leur preparation et applications dans la preparation de peintures et/ou vernis
Nordfang et al. Process for producing a coagulation active complex of factor VIII fragments
IT9005801A0 (it) Metodo "progemisa" per la trasformazione totale di materiali caolinici impuri in sostanze amorfe per la produzione industriale di zeoliti e/o concimi ecologici.
DE59405483D1 (de) Verwendung von anlagerungsprodukten zur herstellung von polyadditions- bzw. polykondensationsprodukten

Legal Events

Date Code Title Description
FF Decision: intention to grant
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 03/02/2004