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FI862685L - Foerfarande foer behandling av tungmetallhaltigt avfall fraon rening av raofosforsyror. - Google Patents

Foerfarande foer behandling av tungmetallhaltigt avfall fraon rening av raofosforsyror. Download PDF

Info

Publication number
FI862685L
FI862685L FI862685A FI862685A FI862685L FI 862685 L FI862685 L FI 862685L FI 862685 A FI862685 A FI 862685A FI 862685 A FI862685 A FI 862685A FI 862685 L FI862685 L FI 862685L
Authority
FI
Finland
Prior art keywords
tungmetallhaltigt
raofosforsyror
avfall
fraon
rening
Prior art date
Application number
FI862685A
Other languages
English (en)
Other versions
FI80251B (fi
FI862685A0 (fi
FI80251C (fi
Inventor
Guenther Schimmel
Reinhard Gradl
Friedrich Kolkmann
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of FI862685A0 publication Critical patent/FI862685A0/fi
Publication of FI862685L publication Critical patent/FI862685L/fi
Publication of FI80251B publication Critical patent/FI80251B/fi
Application granted granted Critical
Publication of FI80251C publication Critical patent/FI80251C/fi

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/234Purification; Stabilisation; Concentration
    • C01B25/237Selective elimination of impurities
    • C01B25/238Cationic impurities, e.g. arsenic compounds
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/22Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • C22B3/24Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition by adsorption on solid substances, e.g. by extraction with solid resins
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/26Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/38Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
    • C22B3/385Thiophosphoric acids, or esters thereof
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Water Treatment By Sorption (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Extraction Or Liquid Replacement (AREA)
FI862685A 1985-06-26 1986-06-24 Foerfarande foer behandling av tungmetallhaltigt avfall fraon rening av raofosforsyror. FI80251C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853522822 DE3522822A1 (de) 1985-06-26 1985-06-26 Verfahren zur aufarbeitung von schwermetallhaltigen rueckstaenden aus der reinigung von rohphosphorsaeuren
DE3522822 1985-06-26

Publications (4)

Publication Number Publication Date
FI862685A0 FI862685A0 (fi) 1986-06-24
FI862685L true FI862685L (fi) 1986-12-27
FI80251B FI80251B (fi) 1990-01-31
FI80251C FI80251C (fi) 1990-05-10

Family

ID=6274223

Family Applications (1)

Application Number Title Priority Date Filing Date
FI862685A FI80251C (fi) 1985-06-26 1986-06-24 Foerfarande foer behandling av tungmetallhaltigt avfall fraon rening av raofosforsyror.

Country Status (8)

Country Link
US (1) US4762693A (fi)
EP (1) EP0206022B1 (fi)
JP (1) JPS623009A (fi)
AT (1) ATE74571T1 (fi)
DE (2) DE3522822A1 (fi)
FI (1) FI80251C (fi)
IL (1) IL78989A0 (fi)
NO (1) NO170679C (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4938085A (en) * 1987-06-30 1990-07-03 Honda Giken Kogyo Kabushiki Kaisha Power transmission system in a tractor
DE3821242A1 (de) * 1988-06-23 1989-12-28 Antonio M Dipl Ing Celi Verfahren und vorrichtung zur aufarbeitung metallbelasteter abfallschlaemme
US5678232A (en) * 1995-07-31 1997-10-14 Corpex Technologies, Inc. Lead decontamination method
US5591270A (en) * 1995-07-31 1997-01-07 Corpex Technologies, Inc. Lead oxide removal method
US5814204A (en) * 1996-10-11 1998-09-29 Corpex Technologies, Inc. Electrolytic decontamination processes
EP3925710A1 (en) 2020-06-16 2021-12-22 Yara International ASA Method for treating solid hazardous heavy metal-containing compositions

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2909572A1 (de) * 1979-03-12 1980-09-25 Hoechst Ag Verfahren zur ueberfuehrung von extraktionsrueckstaenden aus der phosphorsaeurereinigung in feste deponieprodukte
DE3127900A1 (de) * 1981-07-15 1983-02-03 Hoechst Ag, 6000 Frankfurt Verfahren zur extraktion von schwermetallionen aus waessrigen loesungen
DE3135801A1 (de) * 1981-09-10 1983-03-24 Hoechst Ag, 6000 Frankfurt Verfahren zur nachbehandlung von extraktionsrueckstaenden der phosphorsaeurereinigung
DE3202658A1 (de) * 1982-01-28 1983-08-04 Hoechst Ag, 6230 Frankfurt Verfahren zur entfernung von schwermetallionen aus nassverfahrensphosphorsaeure
DE3202659A1 (de) * 1982-01-28 1983-08-04 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von nassverfahrensphosphorsaeure
DE3212675A1 (de) * 1982-04-05 1983-10-06 Hoechst Ag Verfahren zur abtrennung von schwermetallverbindungen aus zwischenprodukten der fabrikation von phosphorduengemitteln
IL69100A (en) * 1982-07-21 1986-11-30 Hoechst Ag Process for removing heavy metal ions and arsenic from wet-processed phosphoric acid
DE3246415A1 (de) * 1982-12-15 1984-06-20 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von nassverfahrenphosphorsaeure
DE3502215A1 (de) * 1985-01-24 1986-07-24 Hoechst Ag Verfahren zur ueberfuehrung schwermetallhaltiger rueckstaende in feste deponiefaehige produkte

Also Published As

Publication number Publication date
IL78989A0 (en) 1986-09-30
NO170679B (no) 1992-08-10
FI80251B (fi) 1990-01-31
NO862574L (no) 1986-12-29
EP0206022B1 (de) 1992-04-08
US4762693A (en) 1988-08-09
JPS623009A (ja) 1987-01-09
EP0206022A3 (en) 1988-09-07
FI862685A0 (fi) 1986-06-24
NO170679C (no) 1992-11-18
EP0206022A2 (de) 1986-12-30
DE3522822A1 (de) 1987-01-02
FI80251C (fi) 1990-05-10
ATE74571T1 (de) 1992-04-15
NO862574D0 (no) 1986-06-25
DE3684727D1 (de) 1992-05-14

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: HOECHST AKTIENGESELLSCHAFT