ES2073860T3 - Procedimiento para la fabricacion de pellets que contienen tio2 y su uso. - Google Patents

Procedimiento para la fabricacion de pellets que contienen tio2 y su uso.

Info

Publication number
ES2073860T3
ES2073860T3 ES92203780T ES92203780T ES2073860T3 ES 2073860 T3 ES2073860 T3 ES 2073860T3 ES 92203780 T ES92203780 T ES 92203780T ES 92203780 T ES92203780 T ES 92203780T ES 2073860 T3 ES2073860 T3 ES 2073860T3
Authority
ES
Spain
Prior art keywords
procedure
manufacture
containing tio2
pellets containing
pellets
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES92203780T
Other languages
English (en)
Inventor
Wolf-Dieter Dr Griebler
Djamschid Dr Amirzadeh-Asl
Bernhard Becker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEA Group AG
Original Assignee
Metallgesellschaft AG
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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Application granted granted Critical
Publication of ES2073860T3 publication Critical patent/ES2073860T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8659—Removing halogens or halogen compounds
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8659—Removing halogens or halogen compounds
    • B01D53/8662—Organic halogen compounds
    • 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
    • B01J37/10—Heat treatment in the presence of water, e.g. steam
    • B01J37/105—Hydropyrolysis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Catalysts (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

SE DESCRIBE UN PROCEDIMIENTO PARA LA OBTENCION DE PELLETS, CONTENIENDO TIO2, POR EL QUE SE TRATA EL ACIDO METATITANICO O ACIDO ORTOTITANICO, SIN SUSTANCIAS AUXILIARES, A 120 HASTA 250 (GRADOS) C Y DE 2 A 40 BAR, 0,1 A 30 H EN PRESENCIA DE AGUA, Y DESPUES DE ELLO SE SECA, Y EN EL QUE EL PRODUCTO TRATADO HIDROTERMALMENTE ES FINALMENTE PELLETIZADO, EN UN DISPOSITIVO DE PELLETIZACION, CON ADICION DE AGUA, Y LOS PELLETS SON TRATADOS A 100 A 1000 (GRADOS) C.
ES92203780T 1991-12-19 1992-12-04 Procedimiento para la fabricacion de pellets que contienen tio2 y su uso. Expired - Lifetime ES2073860T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4141936A DE4141936C2 (de) 1991-12-19 1991-12-19 Verfahren zur Herstellung von aus TiO¶2¶ bestehenden Pellets

Publications (1)

Publication Number Publication Date
ES2073860T3 true ES2073860T3 (es) 1995-08-16

Family

ID=6447468

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92203780T Expired - Lifetime ES2073860T3 (es) 1991-12-19 1992-12-04 Procedimiento para la fabricacion de pellets que contienen tio2 y su uso.

Country Status (4)

Country Link
EP (1) EP0547663B1 (es)
DE (2) DE4141936C2 (es)
ES (1) ES2073860T3 (es)
FI (1) FI925717A (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4321555C1 (de) * 1993-06-29 1994-09-15 Bayer Ag Verfahren zur Herstellung von Mischoxidpulvern für Entstickungskatalysatoren
US6036763A (en) * 1998-10-16 2000-03-14 Engelhard Corporation KOH neutralized metatitanic acid mixture and complex inorganic pigments containing the same
WO2006044495A1 (en) * 2004-10-14 2006-04-27 Tokusen U.S.A., Inc. Method for synthesizing nano-sized titanium dioxide particles
CN101595059A (zh) 2006-09-21 2009-12-02 托库森美国股份有限公司 纳米大小的二氧化钛粒子的低温生产方法
FR2940919B1 (fr) * 2009-01-12 2011-12-09 Inst Francais Du Petrole Utilisation d'une composition a base de tio2 pour la captation de composes halogenes contenus dans un melange gazeux
CN109701512A (zh) * 2019-03-02 2019-05-03 龙蟒佰利联集团股份有限公司 一种水热制备光催化TiO2的方法及光催化TiO2

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1176046A (en) * 1966-12-19 1970-01-01 Grace W R & Co Preparation of Microspheroidal Titanium Dioxide.
FI873979A0 (fi) * 1986-10-08 1987-09-14 Kraftwerk Union Ag Katalysatormaterial foer reducering av maengden kvaeveoxider i roekgaser.
DE3701984A1 (de) * 1987-01-23 1988-08-04 Siemens Ag Verfahren zur herstellung von katalysatoren aus titanoxid
FR2633605B1 (fr) * 1988-07-01 1991-07-12 Rhone Poulenc Chimie Procede de preparation d'oxyde de titane et d'articles a base d'oxyde de titane

Also Published As

Publication number Publication date
DE4141936C2 (de) 1993-10-28
FI925717A0 (fi) 1992-12-16
DE59202454D1 (de) 1995-07-13
EP0547663A1 (de) 1993-06-23
DE4141936A1 (de) 1993-06-24
EP0547663B1 (de) 1995-06-07
FI925717A (fi) 1993-06-20

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