EP1123719A3 - Verfahren zur Behandlung von Chrom(VI)-haltigen Rückständen - Google Patents

Verfahren zur Behandlung von Chrom(VI)-haltigen Rückständen Download PDF

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Publication number
EP1123719A3
EP1123719A3 EP00128428A EP00128428A EP1123719A3 EP 1123719 A3 EP1123719 A3 EP 1123719A3 EP 00128428 A EP00128428 A EP 00128428A EP 00128428 A EP00128428 A EP 00128428A EP 1123719 A3 EP1123719 A3 EP 1123719A3
Authority
EP
European Patent Office
Prior art keywords
treatment
containing chromium
residues containing
iron
sulfate
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.)
Withdrawn
Application number
EP00128428A
Other languages
English (en)
French (fr)
Other versions
EP1123719A2 (de
Inventor
Gurudas Samant
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.)
MG Technologies AG
Original Assignee
MG Technologies AG
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 MG Technologies AG filed Critical MG Technologies AG
Publication of EP1123719A2 publication Critical patent/EP1123719A2/de
Publication of EP1123719A3 publication Critical patent/EP1123719A3/de
Withdrawn legal-status Critical Current

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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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Um den Chrom(VI)-Gehalt von Rückständen aus chemischen, metallurgischen und Verbrennungsprozessen zu senken, wird der Rückstand mit einem oder mehreren der Stoffe Eisensulfat, Eisenchlorid, Eisenammoniumsulfat und Mangansulfat versetzt.
EP00128428A 2000-01-10 2000-12-28 Verfahren zur Behandlung von Chrom(VI)-haltigen Rückständen Withdrawn EP1123719A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2000100709 DE10000709A1 (de) 2000-01-10 2000-01-10 Verfahren zur Behandlung von Chrom(VI)-haltigen Rückständen
DE10000709 2000-01-10

Publications (2)

Publication Number Publication Date
EP1123719A2 EP1123719A2 (de) 2001-08-16
EP1123719A3 true EP1123719A3 (de) 2001-09-12

Family

ID=7627106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00128428A Withdrawn EP1123719A3 (de) 2000-01-10 2000-12-28 Verfahren zur Behandlung von Chrom(VI)-haltigen Rückständen

Country Status (2)

Country Link
EP (1) EP1123719A3 (de)
DE (1) DE10000709A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10341610B8 (de) * 2003-09-10 2007-09-27 Lentjes Gmbh Verfahren zur Verbrennung von festen Abfällen
BE1015759A4 (fr) * 2003-10-31 2005-08-02 Inst Nat Interuniversitaire De Traitement d'une solution contenant du chrome hexavalent.
RU2368680C2 (ru) * 2003-10-31 2009-09-27 ЭНСТИТЮ НАСЬОНАЛЬ ЭНТЕРЮНИВЕРСИТЭР ДЕ СИЛИКАТ, СОЛЬ Э МАТЕРЬЕ (И.Н.И.С.Ма)а.с.б.л. Способ обезвреживания материала, содержащего шестивалентный хром
IT1395303B1 (it) * 2009-07-09 2012-09-05 Veneta Depuratori E Affini S Ve D A S R L Soc Procedimento di trattamento di ceneri ottenute in impianti di incenerimento di rifiuti.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315264A (en) * 1976-07-29 1978-02-10 Taisei Corp Method of stabilizing and depolluting sludges containing lead chromate
JPS53113266A (en) * 1977-03-14 1978-10-03 Sakai Chem Ind Co Ltd Direct reatment method for powdered substance containing chromium
US5304710A (en) * 1993-02-18 1994-04-19 Envar Services, Inc. Method of detoxification and stabilization of soils contaminated with chromium ore waste
JPH06134436A (ja) * 1992-09-08 1994-05-17 Nippon Steel Corp 重金属含有灰の処理方法
WO1996033133A1 (en) * 1995-04-21 1996-10-24 Finnsementti Oy Method for treating ferrous sulphate

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3815948A1 (de) * 1988-05-10 1989-11-23 Bayer Ag Verfahren zur chromausfaellung aus gerbereiabwaessern
DE4444033A1 (de) * 1994-12-10 1996-07-18 Biolipsia Gmbh Beratung Analyt Verfahren zur Entgiftung von chromathaltigem Bauschutt oder Erdreich oder sonstigen deponiefähigen Feststoffen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315264A (en) * 1976-07-29 1978-02-10 Taisei Corp Method of stabilizing and depolluting sludges containing lead chromate
JPS53113266A (en) * 1977-03-14 1978-10-03 Sakai Chem Ind Co Ltd Direct reatment method for powdered substance containing chromium
JPH06134436A (ja) * 1992-09-08 1994-05-17 Nippon Steel Corp 重金属含有灰の処理方法
US5304710A (en) * 1993-02-18 1994-04-19 Envar Services, Inc. Method of detoxification and stabilization of soils contaminated with chromium ore waste
WO1996033133A1 (en) * 1995-04-21 1996-10-24 Finnsementti Oy Method for treating ferrous sulphate

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 197812, Derwent World Patents Index; Class E31, AN 1978-22934A, XP002146707 *
DATABASE WPI Section Ch Week 197845, Derwent World Patents Index; Class E31, AN 1978-80996A, XP002146706 *
DATABASE WPI Section Ch Week 199424, Derwent World Patents Index; Class J09, AN 1994-196390, XP002146705 *

Also Published As

Publication number Publication date
DE10000709A1 (de) 2001-07-19
EP1123719A2 (de) 2001-08-16

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