DE69303482D1 - Verfahren zur indirekten chemischen reduktion von metallen in abfall - Google Patents

Verfahren zur indirekten chemischen reduktion von metallen in abfall

Info

Publication number
DE69303482D1
DE69303482D1 DE69303482T DE69303482T DE69303482D1 DE 69303482 D1 DE69303482 D1 DE 69303482D1 DE 69303482 T DE69303482 T DE 69303482T DE 69303482 T DE69303482 T DE 69303482T DE 69303482 D1 DE69303482 D1 DE 69303482D1
Authority
DE
Germany
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 - Fee Related
Application number
DE69303482T
Other languages
English (en)
Other versions
DE69303482T2 (de
Inventor
Christopher Nagel
Robert Bach
James 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=DE69303482(D1) "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
Publication of DE69303482D1 publication Critical patent/DE69303482D1/de
Application granted granted Critical
Publication of DE69303482T2 publication Critical patent/DE69303482T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
DE1993603482 1992-05-05 1993-04-23 Verfahren zur indirekten chemischen reduktion von metallen in abfall Expired - Fee Related DE69303482T2 (de)

Applications Claiming Priority (2)

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
PCT/US1993/003827 WO1993022001A1 (en) 1992-05-05 1993-04-23 Method for indirect chemical reduction of metals in waste

Publications (2)

Publication Number Publication Date
DE69303482D1 true DE69303482D1 (de) 1996-08-08
DE69303482T2 DE69303482T2 (de) 1996-10-31

Family

ID=25375270

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993603482 Expired - Fee Related DE69303482T2 (de) 1992-05-05 1993-04-23 Verfahren zur indirekten chemischen reduktion von metallen in abfall

Country Status (15)

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

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IT1239289B (it) * 1990-04-27 1993-10-19 Ansaldo Spa Procedimento ed impianto per lo smaltimento di pile esauste ed altri rifiuti,tossici per la presenza di metalli pesanti, mediante trattamento di pirolisi riducente in bagni di ferro fuso
US5177304A (en) * 1990-07-24 1993-01-05 Molten Metal Technology, Inc. Method and system for forming carbon dioxide from carbon-containing materials in a molten bath of immiscible metals
US5191154A (en) * 1991-07-29 1993-03-02 Molten Metal Technology, Inc. Method and system for controlling chemical reaction in a molten bath
US5202100A (en) * 1991-11-07 1993-04-13 Molten Metal Technology, Inc. Method for reducing volume of a radioactive composition

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ATE139904T1 (de) 1996-07-15
WO1993022001A1 (en) 1993-11-11
MD960289A (ro) 1998-11-30
DK0639091T3 (da) 1996-12-02
ES2089821T3 (es) 1996-10-01
EP0639091A1 (de) 1995-02-22
RU94046083A (ru) 1996-09-10
RU2106416C1 (ru) 1998-03-10
AU673527B2 (en) 1996-11-14
JPH07507229A (ja) 1995-08-10
DE69303482T2 (de) 1996-10-31
BR9306489A (pt) 1998-09-15
EP0639091B1 (de) 1996-07-03
CA2135082A1 (en) 1993-11-11
ZA933002B (en) 1993-11-05
GR3021236T3 (en) 1997-01-31
US5322547A (en) 1994-06-21
AU4113493A (en) 1993-11-29
US5324341A (en) 1994-06-28
US5358549A (en) 1994-10-25

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