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ES2094012T3 - Procedimiento para la elaboracion de polvos de oxidos mixtos para catalizadores de desnitracion. - Google Patents

Procedimiento para la elaboracion de polvos de oxidos mixtos para catalizadores de desnitracion.

Info

Publication number
ES2094012T3
ES2094012T3 ES94109282T ES94109282T ES2094012T3 ES 2094012 T3 ES2094012 T3 ES 2094012T3 ES 94109282 T ES94109282 T ES 94109282T ES 94109282 T ES94109282 T ES 94109282T ES 2094012 T3 ES2094012 T3 ES 2094012T3
Authority
ES
Spain
Prior art keywords
oxide powders
procedure
preparation
mixed oxide
axes
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
ES94109282T
Other languages
English (en)
Inventor
Kai Dr Butje
Jurgen Dr Kischkewitz
Rolf Michael Dr Braun
Udo Dr Holtmann
Peter-Joachim Barenthien
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of ES2094012T3 publication Critical patent/ES2094012T3/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
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst
    • 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
    • B01J37/0236—Drying, e.g. preparing a suspension, adding a soluble salt and drying

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

PROCESO PARA LA ELABORACION DE POLVOS DE OXIDO DE MEZCLA, QUE CONTIENEN COMO COMPONENTE PRINCIPAL TIO2 EN FORMA DE ANATASA Y COMO COMPONENTES SECUNDARIOS UNO O MULTIPLES OXIDOS ACTIVOS CATALITICOS MOO3, WO3 Y V2O5, PARA CATALIZADORES DENOX, CARACTERIZANDOSE PORQUE A) UNA SUSPENSION DE HIDRATO DE DIOXIDO DE TITANIO QUE CONTIENE ACIDO SULFURICO SE NEUTRALIZA CON LEJIA ALCALINA PARCIALMENTE SOBRE UN VALOR DE PH ENTRE 4,0 Y 6,0 EN TEMPERATURAS ENTRE 20 Y 100 SE FILTRA Y SE LAVA DE FORMA INTENSIVA EN LA TORTA DE FILTRADO, C) SE AÑADE UNA O MULTIPLES SALES SOLUBLES EN AGUA DE LOS METALES MO, W Y V EN FORMA DISUELTA O SOLIDA PARA LA OBTENCION DE LA TORTA DE FILTRADO A PARTIR DE B) Y D) LA TORTA DE FILTRADO A PARTIR DE C) SE SECA Y SE CALCINA A UNA TEMPERATURA ENTRE 300 Y 750
ES94109282T 1993-06-29 1994-06-16 Procedimiento para la elaboracion de polvos de oxidos mixtos para catalizadores de desnitracion. Expired - Lifetime ES2094012T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4321555A DE4321555C1 (de) 1993-06-29 1993-06-29 Verfahren zur Herstellung von Mischoxidpulvern für Entstickungskatalysatoren

Publications (1)

Publication Number Publication Date
ES2094012T3 true ES2094012T3 (es) 1997-01-01

Family

ID=6491479

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94109282T Expired - Lifetime ES2094012T3 (es) 1993-06-29 1994-06-16 Procedimiento para la elaboracion de polvos de oxidos mixtos para catalizadores de desnitracion.

Country Status (8)

Country Link
US (1) US5723404A (es)
EP (1) EP0640386B1 (es)
JP (1) JP3694537B2 (es)
CA (1) CA2126718A1 (es)
DE (2) DE4321555C1 (es)
ES (1) ES2094012T3 (es)
FI (1) FI115507B (es)
NO (1) NO302339B1 (es)

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US7491676B2 (en) * 2004-10-19 2009-02-17 Millennium Inorganic Chemicals High activity titania supported metal oxide DeNOx catalysts
KR100641694B1 (ko) * 2005-01-28 2006-11-03 주식회사 나노 탈질촉매 압출성형용 티타니아 제조방법
KR101450360B1 (ko) * 2007-01-30 2014-10-14 바브콕-히다찌 가부시끼가이샤 배기 가스 정화용 촉매 및 그의 제조방법
CN101371970B (zh) * 2008-09-15 2011-07-13 江苏科行环境工程技术有限公司 一种适用于含有碱金属氧化物烟气脱硝的催化剂及其制备方法
JP2011005475A (ja) * 2009-05-29 2011-01-13 Sumitomo Chemical Co Ltd 光触媒体分散液およびそれを用いた光触媒機能製品
US8545796B2 (en) 2009-07-31 2013-10-01 Cristal Usa Inc. Silica-stabilized ultrafine anatase titania, vanadia catalysts, and methods of production thereof
CN101658793B (zh) * 2009-09-29 2011-10-05 浙江三龙催化剂有限公司 用于火电厂烟气scr脱硝中的钛基催化剂及其制备方法
JP2011189262A (ja) * 2010-03-15 2011-09-29 Babcock Hitachi Kk 二酸化炭素回収装置からの排ガスの処理方法及び装置
EP2444150A1 (de) * 2010-10-22 2012-04-25 crenox GmbH Trägerkatalysator aus Aufschlussrückständen der titanylsulfathaltigen Schwarzlösung
EP2522418A1 (de) 2011-05-11 2012-11-14 Sachtleben Pigment GmbH Rohstoffe für vanadiumfreie oder vanadiumreduzierte DeNOx-Katalysatoren und Verfahren zu ihrer Herstellung
US9837668B2 (en) 2011-07-25 2017-12-05 Toyota Motor Europe Nv/Sa Cost-effective core-shell catalyst with high electrochemical stability
BR112015003583B1 (pt) 2012-08-24 2021-03-23 Tronox Llc Método de produção de material de suporte de catalisador, materiais de suporte de catalisador e método para reduzir nível de nox no gás ou líquido contendo óxido de nitrogênio
GB2517394A (en) 2013-01-16 2015-02-25 Ilika Technologies Ltd Composite materials
GB201300810D0 (en) 2013-01-16 2013-02-27 Llika Technologies Ltd Composite Materials
GB2509916A (en) 2013-01-16 2014-07-23 Ilika Technologies Ltd A mixed metal oxide material of tantalum and titanium
TWI651269B (zh) * 2013-09-23 2019-02-21 歐洲泰奧色得有限公司 二氧化鈦粒子及其製備方法
CN104226372B (zh) * 2014-10-08 2017-01-11 镇江市亚东高压电器厂 一种平板式脱硝催化剂及其制备方法
EP3482825A1 (de) * 2017-11-14 2019-05-15 Umicore Ag & Co. Kg Scr-katalysator
CN108212180B (zh) * 2018-03-20 2021-03-02 攀枝花市正源科技有限责任公司 一种中低温scr脱硝用钛钼复合粉及其制备方法
CN111468103B (zh) * 2019-01-23 2021-07-20 中国科学院过程工程研究所 一种废弃scr脱硝催化剂回收制备新scr脱硝催化剂的方法
CN112408470A (zh) * 2020-10-30 2021-02-26 甘肃盈华环保科技有限公司 基于高温煅烧法以废脱硝催化剂生产钛白粉的方法
CN112221485A (zh) * 2020-11-13 2021-01-15 重庆新华化工有限公司 一种降低烧损的Ti-Mo或Ti-Mo-V催化剂钛白粉的制备方法

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Also Published As

Publication number Publication date
JP3694537B2 (ja) 2005-09-14
NO942444D0 (no) 1994-06-28
US5723404A (en) 1998-03-03
NO302339B1 (no) 1998-02-23
JPH0796185A (ja) 1995-04-11
FI943080A0 (fi) 1994-06-27
DE59400939D1 (de) 1996-12-05
FI115507B (fi) 2005-05-31
DE4321555C1 (de) 1994-09-15
EP0640386B1 (de) 1996-10-30
EP0640386A1 (de) 1995-03-01
FI943080A (fi) 1994-12-30
CA2126718A1 (en) 1994-12-30
NO942444L (no) 1994-12-30

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