ATE187151T1 - Verfahren zur stabilizierung von metallen in asche - Google Patents

Verfahren zur stabilizierung von metallen in asche

Info

Publication number
ATE187151T1
ATE187151T1 AT95910310T AT95910310T ATE187151T1 AT E187151 T1 ATE187151 T1 AT E187151T1 AT 95910310 T AT95910310 T AT 95910310T AT 95910310 T AT95910310 T AT 95910310T AT E187151 T1 ATE187151 T1 AT E187151T1
Authority
AT
Austria
Prior art keywords
ash
metals
reduced
iron salt
stabilizing metals
Prior art date
Application number
AT95910310T
Other languages
English (en)
Inventor
Mark G Kramer
Kathleen A Fix
Original Assignee
Ashland 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
Application filed by Ashland Inc filed Critical Ashland Inc
Application granted granted Critical
Publication of ATE187151T1 publication Critical patent/ATE187151T1/de

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
    • A62D3/33—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by chemical fixing the harmful substance, e.g. by chelation or complexation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/004—Sludge detoxification
    • 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
    • A62D2101/40—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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/911—Cumulative poison
    • Y10S210/912—Heavy metal

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacture And Refinement Of Metals (AREA)
AT95910310T 1994-03-31 1995-02-17 Verfahren zur stabilizierung von metallen in asche ATE187151T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/221,644 US5403496A (en) 1994-03-31 1994-03-31 Process for stabilizing metals in ash

Publications (1)

Publication Number Publication Date
ATE187151T1 true ATE187151T1 (de) 1999-12-15

Family

ID=22828690

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95910310T ATE187151T1 (de) 1994-03-31 1995-02-17 Verfahren zur stabilizierung von metallen in asche

Country Status (7)

Country Link
US (1) US5403496A (de)
EP (1) EP0748295B1 (de)
AT (1) ATE187151T1 (de)
AU (1) AU680349B2 (de)
CA (1) CA2149114C (de)
DE (2) DE69513641T2 (de)
WO (1) WO1995026933A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2696955B1 (fr) * 1992-10-15 1994-12-02 Lab Sa Procédés de traitement des résidus de combustion et de l'épuration des fumées de combustion.
US6797195B1 (en) * 1995-05-19 2004-09-28 Lawrence Kreisler Method for recovering and separating metals from waste streams
US5632715A (en) * 1995-12-15 1997-05-27 J. R. Simplot Company In situ immobilization of metals in waste stacks and waste stack affected zones
US5649895A (en) * 1996-02-14 1997-07-22 Ashland Inc. Stabilization of heavy metals in ash
DK90796A (da) * 1996-08-28 1998-03-01 Thomas Hoejlund Christensen Metode til udvaskning og kemisk stabilisering af flyveaske, røgrensningsprodukter og andre metalholdige materialer
JP5085027B2 (ja) * 2005-10-17 2012-11-28 住友大阪セメント株式会社 塩素含有廃棄物の処理方法及び処理装置
JP6850171B2 (ja) * 2017-03-23 2021-03-31 太平洋セメント株式会社 固化不溶化方法
AU2020210980A1 (en) * 2019-01-24 2021-08-05 Davy Powersports Inc. Systems and methods to treat flue gas desulfurization and metal-bearing waste streams to recover value-added materials
US11479472B2 (en) 2019-01-24 2022-10-25 Elixsys, Inc. Systems and methods to recover value-added materials from gypsum

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52152657A (en) * 1976-06-15 1977-12-19 Miyoshi Yushi Kk Heavy metal collecting method
JPS6114136A (ja) * 1984-06-28 1986-01-22 Sumitomo Metal Mining Co Ltd スラグの浸出処理方法
US4698162A (en) * 1985-12-06 1987-10-06 Morton Thiokol, Inc. Method for prevention of metallic precipitate reoxidation/redissolution in aqueous systems
US4943377A (en) * 1988-05-06 1990-07-24 Environmental Technology (U.S.), Inc. Method for removing dissolved heavy metals from waste oils, industrial wastewaters, or any polar solvent
US4957634A (en) * 1989-10-06 1990-09-18 Bowers Jr Joseph S Heavy metal recovery process
DE4019982A1 (de) * 1990-04-06 1991-10-10 Etus Inc Verfahren zum entfernen von uebergangsschwermetallen mit natriumpolythiocarbonat
NL9101656A (nl) * 1991-10-01 1993-05-03 Pelt & Hooykaas Fixeermiddel voor giftig afval en werkwijze ter bereiding en toepassing daarvan.
AT396104B (de) * 1991-10-25 1993-06-25 Waagner Biro Ag Verfahren zur umwandlung von wasserloeslichen in in wasser schwer- oder nichtloesliche schwermetallverbindungen
US5264135A (en) * 1992-03-19 1993-11-23 Betz Laboratories, Inc. Method for stabilizing metals in wastewater sludge
US5259975A (en) * 1992-03-19 1993-11-09 Betz Laboratories, Inc. Method for stabilizing metals in wastewater sludge

Also Published As

Publication number Publication date
DE69513641D1 (de) 2000-01-05
WO1995026933A1 (en) 1995-10-12
EP0748295A4 (de) 1997-01-08
DE748295T1 (de) 1998-01-02
US5403496A (en) 1995-04-04
CA2149114A1 (en) 1995-10-12
CA2149114C (en) 1999-03-09
EP0748295A1 (de) 1996-12-18
AU1745395A (en) 1995-10-23
AU680349B2 (en) 1997-07-24
DE69513641T2 (de) 2000-12-07
EP0748295B1 (de) 1999-12-01

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties