ES2089821T3 - Metodo para la reduccion quimica indirecta de metales en desecho. - Google Patents

Metodo para la reduccion quimica indirecta de metales en desecho.

Info

Publication number
ES2089821T3
ES2089821T3 ES93910749T ES93910749T ES2089821T3 ES 2089821 T3 ES2089821 T3 ES 2089821T3 ES 93910749 T ES93910749 T ES 93910749T ES 93910749 T ES93910749 T ES 93910749T ES 2089821 T3 ES2089821 T3 ES 2089821T3
Authority
ES
Spain
Prior art keywords
waste
molten metal
metal bath
metal
directed
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
ES93910749T
Other languages
English (en)
Inventor
Christopher J Nagel
Robert D Bach
James E Johnston
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.)
Molten Metal Technology Inc
Original Assignee
Molten Metal Technology Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25375270&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2089821(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Molten Metal Technology Inc filed Critical Molten Metal Technology Inc
Application granted granted Critical
Publication of ES2089821T3 publication Critical patent/ES2089821T3/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
    • 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
    • C22B7/04—Working-up slag
    • 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
    • A62D3/32—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by treatment in molten chemical reagent, e.g. salts or metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/06—Reclamation of contaminated soil thermally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/06—Reclamation of contaminated soil thermally
    • B09C1/067—Reclamation of contaminated soil thermally by vitrification
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • 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
    • C22B7/001—Dry processes
    • 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
    • A62D2101/08—Toxic combustion residues, e.g. toxic substances contained in fly ash from waste incineration
    • 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
    • A62D2101/20—Organic substances
    • 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
    • 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
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/09—Reaction techniques
    • Y10S423/12—Molten media

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Catalysts (AREA)

Abstract

SE DESCRIBE UN PROCESO MEDIO AMBIENTAL PARA LA ELIMINACION DE MATERIALES DE DESECHO QUE PERMITE LA SEPARACION, RECUPERACION Y DESCONTAMINACION DE METALES. EL METODO INCLUYE LA REDUCCION QUIMICA DE ESENCIALMENTE TODOS LOS COMPONENTES TOXICOS REDUCIBLES Y POTENCIALMENTE PELIGROSOS QUE CONTENGAN METALES DE UNA COMPOSICION DE DESECHOS. LOS DESECHOS SE DIRIGEN AL INTERIOR DE UN BAÑO DE METAL FUNDIDO, QUE INCLUYE UN PRIMER AGENTE REDUCTOR QUE, BAJO CONDICIONES DE FUNCIONAMIENTO DEL BAÑO DE METAL FUNDIDO, REDUCE QUIMICAMENTE UN METAL DEL COMPONENTE CON CONTENIDO DE METAL PARA FORMAR UN PRODUCTO INTERMEDIO DISUELTO. UN SEGUNDO AGENTE REDUCTOR SE DIRIGE AL INTERIOR DEL BAÑO DE METAL FUNDIDO. DICHO SEGUNDO AGENTE REDUCTOR, BAJO EL FUNCIONAMIENTO DEL BAÑO DE METAL FUNDIDO, REDUCE QUIMICAMENTE EL METAL DEL PRODUCTO INTERMEDIO DISUELTO. LA VELOCIDAD A LA CUAL EL SEGUNDO AGENTE REDUCTOR SE DIRIGE AL INTERIOR DEL BAÑO DE METAL FUNDIDO, CON RELACION A LA VELOCIDAD CON LA QUE EL COMPONENTE DE DESECHO SE DIRIGE AL INTERIOR DEL BAÑO DE METAL FUNDIDO, ES SUFICIENTE PARA PROVOCAR QUE ESENCIALMENTE TODO EL PRODUCTO INTERMEDIO CON CONTENIDO DE METAL FORMADO SE DISUELVA EN EL BAÑO DE METAL FUNDIDO, REDUCIENDO INDIRECTAMENTE Y DE FORMA QUIMICA EL COMPONENTE DE LOS DESECHOS. ESTA TECNOLOGIA DE REDUCCION INDIRECTA PUEDE TRATAR UNA AMPLIA VARIEDAD DE MATERIALES, INCLUYENDO BASURAS MUNICIPALES CONTAMINADAS CON METALES EN FORMA DE CENIZAS, MATERIALES SIMILARES A LAS ESCORIAS VITROSAS Y CATALIZADORES DE METAL AGOTADOS, MIENTRAS QUE PERMITE LA RECUPERACION DE LOS METALES RECUPERABLES.
ES93910749T 1992-05-05 1993-04-23 Metodo para la reduccion quimica indirecta de metales en desecho. Expired - Lifetime ES2089821T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/879,978 US5324341A (en) 1992-05-05 1992-05-05 Method for chemically reducing metals in waste compositions

Publications (1)

Publication Number Publication Date
ES2089821T3 true ES2089821T3 (es) 1996-10-01

Family

ID=25375270

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93910749T Expired - Lifetime ES2089821T3 (es) 1992-05-05 1993-04-23 Metodo para la reduccion quimica indirecta de metales en desecho.

Country Status (15)

Country Link
US (3) US5324341A (es)
EP (1) EP0639091B1 (es)
JP (1) JPH07507229A (es)
AT (1) ATE139904T1 (es)
AU (1) AU673527B2 (es)
BR (1) BR9306489A (es)
CA (1) CA2135082A1 (es)
DE (1) DE69303482T2 (es)
DK (1) DK0639091T3 (es)
ES (1) ES2089821T3 (es)
GR (1) GR3021236T3 (es)
MD (1) MD960289A (es)
RU (1) RU2106416C1 (es)
WO (1) WO1993022001A1 (es)
ZA (1) ZA933002B (es)

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US5358549A (en) 1994-10-25
AU4113493A (en) 1993-11-29
ZA933002B (en) 1993-11-05
AU673527B2 (en) 1996-11-14
RU2106416C1 (ru) 1998-03-10
US5324341A (en) 1994-06-28
DE69303482D1 (de) 1996-08-08
US5322547A (en) 1994-06-21
WO1993022001A1 (en) 1993-11-11
GR3021236T3 (en) 1997-01-31
EP0639091B1 (en) 1996-07-03
DK0639091T3 (da) 1996-12-02
MD960289A (ro) 1998-11-30
EP0639091A1 (en) 1995-02-22
BR9306489A (pt) 1998-09-15
CA2135082A1 (en) 1993-11-11
ATE139904T1 (de) 1996-07-15
JPH07507229A (ja) 1995-08-10
RU94046083A (ru) 1996-09-10

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