ES2166929T3 - Procedimiento para la obtencion de polvos de oxidos mixtos a partir de catalizadores desactivados para la reduccion de oxidos de nitrogeno en el gas de escape. - Google Patents

Procedimiento para la obtencion de polvos de oxidos mixtos a partir de catalizadores desactivados para la reduccion de oxidos de nitrogeno en el gas de escape.

Info

Publication number
ES2166929T3
ES2166929T3 ES97106256T ES97106256T ES2166929T3 ES 2166929 T3 ES2166929 T3 ES 2166929T3 ES 97106256 T ES97106256 T ES 97106256T ES 97106256 T ES97106256 T ES 97106256T ES 2166929 T3 ES2166929 T3 ES 2166929T3
Authority
ES
Spain
Prior art keywords
catalysts
mixed oxide
oxide powders
disabled
procedure
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
ES97106256T
Other languages
English (en)
Inventor
Jurgen Dr Kischkewitz
Gunter Dr Linde
Hans-Joachim Dr Schittenhelm
Gunter Dr Lailach
Kai Dr Butje
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.)
Kerr Mcgee Pigments & Co GmbH
Original Assignee
Kerr Mcgee Pigments & Co GmbH
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 Kerr Mcgee Pigments & Co GmbH filed Critical Kerr Mcgee Pigments & Co GmbH
Application granted granted Critical
Publication of ES2166929T3 publication Critical patent/ES2166929T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/36—Obtaining tungsten
    • C22B34/365—Obtaining tungsten from spent 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/90—Regeneration or reactivation
    • B01J23/92—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • 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
    • B01J37/0027—Powdering
    • B01J37/0036—Grinding
    • 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
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
    • B01J38/60—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using acids
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/34—Obtaining molybdenum
    • C22B34/345—Obtaining molybdenum from spent catalysts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

LA PRESENTE INVENCION SE REFIERE A UN METODO PARA EL RECICLADO DE CATALIZADORES DENOX DESACTIVADOS A BASE DE OXIDOS MIXTOS DE TI/V/MO/W.
ES97106256T 1996-04-29 1997-04-16 Procedimiento para la obtencion de polvos de oxidos mixtos a partir de catalizadores desactivados para la reduccion de oxidos de nitrogeno en el gas de escape. Expired - Lifetime ES2166929T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1996117081 DE19617081C2 (de) 1996-04-29 1996-04-29 Verfahren zur Herstellung von Mischoxidpulvern aus desaktivierten DENOX-Katalysatoren

Publications (1)

Publication Number Publication Date
ES2166929T3 true ES2166929T3 (es) 2002-05-01

Family

ID=7792767

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97106256T Expired - Lifetime ES2166929T3 (es) 1996-04-29 1997-04-16 Procedimiento para la obtencion de polvos de oxidos mixtos a partir de catalizadores desactivados para la reduccion de oxidos de nitrogeno en el gas de escape.

Country Status (6)

Country Link
US (1) US5837635A (es)
EP (1) EP0804962B1 (es)
JP (1) JPH1066872A (es)
AT (1) ATE208231T1 (es)
DE (1) DE19617081C2 (es)
ES (1) ES2166929T3 (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6395665B2 (en) 1998-07-24 2002-05-28 Mitsubishi Heavy Industries, Ltd. Methods for the regeneration of a denitration catalyst
KR100668936B1 (ko) * 2004-10-29 2007-01-12 한국전력공사 기포유동장치를 이용한 하니컴형 ｓｃｒ 촉매의 재생방법
DE102005005973A1 (de) * 2005-02-09 2006-08-10 Basf Ag Verfahren zur Regenerierung von inertem Trägermaterial deaktivierter Oxidationskatalysatoren
TWI422424B (zh) * 2007-01-30 2014-01-11 Babcock Hitachi Kk Catalyst for purification of exhaust gas and its manufacturing method
JP4730400B2 (ja) * 2007-10-09 2011-07-20 住友化学株式会社 光触媒体分散液
US7741239B2 (en) * 2008-03-11 2010-06-22 Evonik Energy Services Llc Methods of regeneration of SCR catalyst poisoned by phosphorous components in flue gas
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
ES2804521T3 (es) 2012-08-24 2021-02-08 Tronox Llc Materiales de apoyo a catalizadores, catalizadores, métodos de su fabricación y usos de los mismos
JP6441140B2 (ja) * 2014-03-28 2018-12-19 日揮触媒化成株式会社 使用済み触媒を用いた酸化チタン系微粉末の製造方法および該粉末を用いた排ガス処理触媒の製造方法
EP2940162A1 (de) * 2014-04-30 2015-11-04 Tropinon Enterprises Ltd. Wiederverwendung von titanbasierten Katalysatoren
FR3052687A1 (fr) * 2016-06-21 2017-12-22 Lab Sa Procede de fabrication d'un catalyseur
CN111905716B (zh) * 2020-07-31 2021-09-24 江苏龙净科杰环保技术有限公司 一种用于水泥窑烟气脱硝抗铊中毒核壳蜂窝催化剂及其制备方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS507559B1 (es) * 1970-06-03 1975-03-26
US4085193A (en) * 1973-12-12 1978-04-18 Mitsubishi Petrochemical Co. Ltd. Catalytic process for reducing nitrogen oxides to nitrogen
JPS5432114A (en) * 1977-08-16 1979-03-09 Sumitomo Chem Co Ltd Separating and recovering method for thallium
EP0161206A3 (en) * 1984-04-03 1987-11-04 Mitsubishi Jukogyo Kabushiki Kaisha Method for regenerating a denitration catalyst
DE3585174D1 (de) * 1984-04-05 1992-02-27 Mitsubishi Heavy Ind Ltd Verfahren zum regenerieren eines denitrierkatalysators fuer die katalytische reduktion mit ammoniak.
JPH01139146A (ja) * 1987-08-14 1989-05-31 Mitsubishi Heavy Ind Ltd 砒素分による劣化脱硝触媒の再生方法及び同装置
DE3816600A1 (de) * 1988-05-14 1989-11-23 Huels Chemische Werke Ag Verfahren zur regeneration arsenkontaminierter katalysatoren und sorbentien
DE3824464A1 (de) * 1988-07-19 1990-01-25 Basf Ag Verfahren zum regenerieren von katalysatoren
DE3903590A1 (de) * 1989-02-07 1990-08-09 Siemens Ag Verfahren zur wiederaufarbeitung von verbrauchten denox-katalysatoren
JP2879738B2 (ja) * 1989-03-28 1999-04-05 触媒化成工業株式会社 排ガスの浄化方法およびそれに使用する触媒成型体
DE4013720C2 (de) * 1990-04-28 1994-05-19 Huels Chemische Werke Ag Verfahren zur Verwertung von gebrauchten DeNOx-Katalysatoren
JP2994769B2 (ja) * 1991-02-15 1999-12-27 三菱重工業株式会社 脱硝触媒再生液の処理方法
DE4200248A1 (de) * 1992-01-08 1993-07-15 Basf Ag Verfahren zur regenerierung von metalloxid-katalysatoren
DE4319733A1 (de) * 1992-06-23 1994-01-05 Siemens Ag Verfahren und Einrichtung zur Regenerierung eines desaktivierten Katalysators
DE4242978C2 (de) * 1992-12-18 1996-03-28 Cm Chemiemetall Gmbh Bitterfel Verfahren zur Aufbereitung von desaktivierten, Oxide des Titans, Vanadins und Wolframs enthaltenden Denox-Katalysatoren
DE4325690A1 (de) * 1993-07-30 1995-02-02 Siemens Ag Verfahren und Einrichtung zur Rückgewinnung von Bestandteilen eines Katalysators

Also Published As

Publication number Publication date
US5837635A (en) 1998-11-17
DE19617081C2 (de) 2003-02-06
DE19617081A1 (de) 1997-11-06
EP0804962B1 (de) 2001-11-07
JPH1066872A (ja) 1998-03-10
ATE208231T1 (de) 2001-11-15
EP0804962A1 (de) 1997-11-05

Similar Documents

Publication Publication Date Title
ES2166929T3 (es) Procedimiento para la obtencion de polvos de oxidos mixtos a partir de catalizadores desactivados para la reduccion de oxidos de nitrogeno en el gas de escape.
JP4018161B2 (ja) 光触媒用酸化チタンの製造方法およびそれを用いた有害物質の除去方法
CN104415748B (zh) 一种以从废旧催化剂中回收的脱硝粉体为原料制备脱硝催化剂的方法
JPS5320663A (en) Method of treating waste water
US4341747A (en) Process of removing nitrogen oxides from gaseous mixtures
ZA200007737B (en) Method for regenerating catalysts.
KR20060038184A (ko) 기포유동장치를 이용한 하니컴형 ｓｃｒ 촉매의 재생방법
Naciri et al. Effective photocatalytic decolorization of indigo carmine dye in Moroccan natural phosphate–TiO2 aqueous suspensions
CN104415768A (zh) 一种从废旧催化剂中回收脱硝粉体的方法
CN108101147B (zh) 一种新型催化材料催化降解化工废水的方法
TW562697B (en) A method for preparing a catalyst for selective catalytic reduction of nitrogen oxides at high temperature window
ATE41879T1 (de) Katalysator zur selektiven reduzierung von stickoxiden in abgasen sowie verfahren zur herstellung und verwendung eines solchen katalysators.
CN110560080B (zh) 一种钴锰复合氧化物的制备方法及降解染料废水的方法
KR101872291B1 (ko) 티타늄 스크랩을 활용한 광촉매 필터의 제조 방법
CN112206779A (zh) MIL-100(Fe/Co)衍生磁性复合材料催化降解水中氯霉素的方法及应用
KR101270509B1 (ko) 메조기공 망간 산화물을 이용한 촉매 및 이를 이용한 휘발성 유기화합물 분해방법
CN103787413B (zh) 六角空心管状Bi2O(OH)2SO4光催化剂的制备方法及应用
CN110124725A (zh) 一种氢化二氧化钛/石墨烯量子点复合材料的制备及应用
Nguyen et al. Photocatalytic activity of BiTaO 4 nanoparticles for the degradation of methyl orange under visible light
CN112499818A (zh) 一种基于可见光敏化多相光类芬顿体系高效治理废水中抗生素的方法
KR101994610B1 (ko) 마이크로웨이브를 이용한 탈질 폐촉매 이온 분해 장치
JPH0394813A (ja) ごみ燃焼排ガス中の有害ガス除去方法
Kominami et al. Use of Biomass Glycerol as a Reducing Agent for Photocatalytic Deprotection of Pyridine N‐Oxides in an Aqueous Suspension of Titanium (IV) Oxide
CN110026180A (zh) 一种催化臭氧化催化剂的制备方法及其产品和应用
CN109395708A (zh) 应用于有机含氟废水的高效选择性二氧化钛光电阳极的制备及产品和应用