DE602004028034D1 - Verfahren zur dekontaminierung hexavalentes chrom enthaltender feuerfestmaterialien - Google Patents

Verfahren zur dekontaminierung hexavalentes chrom enthaltender feuerfestmaterialien

Info

Publication number
DE602004028034D1
DE602004028034D1 DE602004028034T DE602004028034T DE602004028034D1 DE 602004028034 D1 DE602004028034 D1 DE 602004028034D1 DE 602004028034 T DE602004028034 T DE 602004028034T DE 602004028034 T DE602004028034 T DE 602004028034T DE 602004028034 D1 DE602004028034 D1 DE 602004028034D1
Authority
DE
Germany
Prior art keywords
decontaminating
chrome
hexavalent chromium
refractory materials
containing refractory
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.)
Active
Application number
DE602004028034T
Other languages
English (en)
Inventor
Philippe Descamp
Thierry Lucion
Jacques Tirlocq
Jean-Michel Auvray
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.)
CT DE RECH de l IND BELGE de l
INST NAT INTERUNIVERSITAIRE DE
Original Assignee
CT DE RECH de l IND BELGE de l
INST NAT INTERUNIVERSITAIRE DE
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
Priority claimed from BE2003/0584A external-priority patent/BE1015759A4/fr
Application filed by CT DE RECH de l IND BELGE de l, INST NAT INTERUNIVERSITAIRE DE filed Critical CT DE RECH de l IND BELGE de l
Publication of DE602004028034D1 publication Critical patent/DE602004028034D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • A62D3/37—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by reduction, e.g. hydrogenation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/02—Oxides or hydrates thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/02—Oxides or hydrates thereof
    • C01G37/033—Chromium trioxide; Chromic acid
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • 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
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/006—Wet processes
    • C22B7/007—Wet processes by acid leaching
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/40—Inorganic substances
    • A62D2101/43—Inorganic substances containing heavy metals, in the bonded or free state
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/26—Treatment of water, waste water, or sewage by extraction
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/70—Treatment of water, waste water, or sewage by reduction
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/70—Treatment of water, waste water, or sewage by reduction
    • C02F1/705—Reduction by metals
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/22—Chromium or chromium compounds, e.g. chromates
    • 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
    • C22B34/32—Obtaining chromium
    • 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)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Water Supply & Treatment (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Anti-Oxidant Or Stabilizer Compositions (AREA)
DE602004028034T 2003-10-31 2004-10-30 Verfahren zur dekontaminierung hexavalentes chrom enthaltender feuerfestmaterialien Active DE602004028034D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE2003/0584A BE1015759A4 (fr) 2003-10-31 2003-10-31 Traitement d'une solution contenant du chrome hexavalent.
EP04077573 2004-09-16
PCT/BE2004/000155 WO2005042791A1 (fr) 2003-10-31 2004-10-30 Procede de decontamination d'un materiau contenant du chrome hexavalent

Publications (1)

Publication Number Publication Date
DE602004028034D1 true DE602004028034D1 (de) 2010-08-19

Family

ID=34553072

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004028034T Active DE602004028034D1 (de) 2003-10-31 2004-10-30 Verfahren zur dekontaminierung hexavalentes chrom enthaltender feuerfestmaterialien

Country Status (6)

Country Link
EP (1) EP1678337B1 (de)
AT (1) ATE473304T1 (de)
BR (1) BRPI0416083A (de)
DE (1) DE602004028034D1 (de)
RU (1) RU2368680C2 (de)
WO (1) WO2005042791A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2971503B1 (fr) * 2011-02-14 2013-10-18 Saint Gobain Ct Recherches Procede de fabrication de grains refractaires contenant de l'oxyde de chrome 3.
SI2870107T1 (en) 2012-07-06 2018-05-31 Lanxess Deutschland Gmbh A process for the reduction of six valent chromes in solid oxide materials
CN112707443A (zh) * 2021-02-22 2021-04-27 山东同其信息科技有限公司 一种铬渣处理工艺
CN114288604B (zh) * 2021-12-29 2023-05-30 湖北振华化学股份有限公司 一种铬渣无害化与资源化的处理方法
CN116329261B (zh) * 2023-03-24 2024-02-27 中化环境修复(上海)有限公司 处理六价铬污染建筑垃圾的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1055953B (it) * 1976-02-24 1982-01-11 Stoppani P & Co Procedimento di decontaminazione di materiale di scarto proveniente dalla lavorazione di minerali di cromo mediante trattamento conzolfo per via umida
JPS5348906A (en) * 1976-10-18 1978-05-02 Dowa Mining Co Method of treating sludge containing heavy metals
SU881004A1 (ru) * 1979-01-29 1981-11-15 Московский Завод Вторичных Драгоценных Металлов Способ обезвреживани сточных вод от хрома
JPS582164B2 (ja) * 1979-06-12 1983-01-14 工業技術院長 ６価クロムの還元分離方法
JP3935251B2 (ja) * 1997-12-12 2007-06-20 中部電力株式会社 六価クロム含有廃棄物の処理方法
DE10000709A1 (de) * 2000-01-10 2001-07-19 Mg Technologies Ag Verfahren zur Behandlung von Chrom(VI)-haltigen Rückständen

Also Published As

Publication number Publication date
ATE473304T1 (de) 2010-07-15
EP1678337A1 (de) 2006-07-12
EP1678337B1 (de) 2010-07-07
RU2368680C2 (ru) 2009-09-27
WO2005042791A1 (fr) 2005-05-12
RU2006118779A (ru) 2007-12-10
BRPI0416083A (pt) 2008-07-15

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