AU658081B2 - Process for clearing a technical iron chloride solution by selective precipitation - Google Patents

Process for clearing a technical iron chloride solution by selective precipitation Download PDF

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Publication number
AU658081B2
AU658081B2 AU52065/93A AU5206593A AU658081B2 AU 658081 B2 AU658081 B2 AU 658081B2 AU 52065/93 A AU52065/93 A AU 52065/93A AU 5206593 A AU5206593 A AU 5206593A AU 658081 B2 AU658081 B2 AU 658081B2
Authority
AU
Australia
Prior art keywords
iron
agent
solution
chloride
neutralisation
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.)
Ceased
Application number
AU52065/93A
Other languages
English (en)
Other versions
AU5206593A (en
Inventor
Achim Hartmann
Ulrich Dr. Rothe
Dieter Dr. Schinkitz
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.)
Kronos Titan GmbH
Original Assignee
Kronos Titan GmbH
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 Kronos Titan GmbH filed Critical Kronos Titan GmbH
Publication of AU5206593A publication Critical patent/AU5206593A/en
Application granted granted Critical
Publication of AU658081B2 publication Critical patent/AU658081B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/10—Halides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • 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)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Processing Of Solid Wastes (AREA)
  • Removal Of Specific Substances (AREA)
  • Compounds Of Iron (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
AU52065/93A 1992-12-22 1993-11-30 Process for clearing a technical iron chloride solution by selective precipitation Ceased AU658081B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4243559A DE4243559A1 (de) 1992-12-22 1992-12-22 Verfahren zur Reinigung einer technischen Eisenchloridlösung durch selektive Fällung
DE4243559 1992-12-22

Publications (2)

Publication Number Publication Date
AU5206593A AU5206593A (en) 1994-07-07
AU658081B2 true AU658081B2 (en) 1995-03-30

Family

ID=6476177

Family Applications (1)

Application Number Title Priority Date Filing Date
AU52065/93A Ceased AU658081B2 (en) 1992-12-22 1993-11-30 Process for clearing a technical iron chloride solution by selective precipitation

Country Status (7)

Country Link
US (1) US5407650A (enExample)
EP (1) EP0604817B1 (enExample)
KR (1) KR100292095B1 (enExample)
AU (1) AU658081B2 (enExample)
CA (1) CA2112076C (enExample)
DE (2) DE4243559A1 (enExample)
TW (1) TW237391B (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5518633A (en) * 1994-10-21 1996-05-21 E. I. Du Pont De Nemours And Company Process for treating aqueous media containing metal ions
US6607651B2 (en) 1998-09-10 2003-08-19 Cws Parts Company Process and system for treating the discharge stream from an ion exchanger
RU2172358C2 (ru) * 1999-11-23 2001-08-20 Сирина Татьяна Петровна Способ переработки марганецсодержащих материалов
DE10022867A1 (de) * 2000-05-10 2001-11-22 Kronos Titan Gmbh & Co Ohg Verfahren zum Entfernen von Nickel- und Bleiionen aus Eisensalzlösungen
US20030209449A1 (en) * 2001-01-23 2003-11-13 Cws Parts Company Process and system for treating the discharge stream from an ion exchanger
US6800260B2 (en) * 2002-02-11 2004-10-05 Millennium Inorganic Chemicals, Inc. Processes for treating iron-containing waste streams
DE10346339A1 (de) * 2003-10-06 2005-05-04 Kerr Mcgee Pigments Gmbh Verfahren zur Aufarbeitung von Metallchloridrückständen
US20080102007A1 (en) * 2006-10-26 2008-05-01 Melville Jason P Process for treating iron-containing waste streams
US8182779B2 (en) 2009-04-21 2012-05-22 E. I. Du Pont De Nemours And Company Process for removing phosphorus-containing colloids and their precursors from iron chloride solutions
US8287738B2 (en) * 2009-04-21 2012-10-16 E I Du Pont De Nemours And Company Process for removing impurities from iron chloride solutions
US9242877B2 (en) * 2011-01-06 2016-01-26 Kemira Oyj Process for the purification of iron salt solutions
DE102011106864B4 (de) 2011-06-28 2013-06-20 Kronos International, Inc. Verfahren zur selektiven Abtrennung von Vanadium aus Rückständen der Titandioxidherstellung (Chloridverfahren)
DE102011106750A1 (de) 2011-06-28 2013-01-03 Kronos International Inc. Verfahren zur Abtrennung von höherwertigen Metallionen aus technischen Eisenchloridlösungen
DE102019200832A1 (de) 2019-01-24 2020-07-30 MTU Aero Engines AG VERFAHREN ZUM ENTFERNEN VON Cr(VI)-IONEN AUS EINER WÄSSRIGEN ELEKTROLYTLÖSUNG

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5248497A (en) * 1991-09-17 1993-09-28 Kronos, Inc. Production of purified iron chloride by a vacuum process in the manufacture of titanium dioxide
US5271910A (en) * 1989-03-30 1993-12-21 Shell Internationale Research Maatschappij B.V. Process of treating metal chloride wastes

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE754202A (fr) * 1969-07-31 1970-12-31 Titangesellschaft Mbg Procede pour extraire le fer de minerais titaniferes
US3655344A (en) * 1969-09-02 1972-04-11 Ppg Industries Inc Treatment of titanium tetrachloride drier residue
US3617562A (en) * 1970-05-08 1971-11-02 Allen Cywin Neutralization of ferrous iron-containing acid wastes
JPS4811478B1 (enExample) * 1970-12-24 1973-04-13
US3867515A (en) * 1971-04-01 1975-02-18 Ppg Industries Inc Treatment of titanium tetrachloride dryer residue
JPS4926199A (enExample) * 1972-07-03 1974-03-08
SU676559A1 (ru) * 1976-03-15 1979-07-30 Березниковский Филиал Всесоюзного Научно-Исследовательского И Проектного Института Алюминиевой Магниевой И Электродной Промышленности Способ получени гидроокиси хрома
JPS5492594A (en) * 1977-12-29 1979-07-21 Daikin Ind Ltd Removing method for heavy metals in aqueous solution of ferrous chloride
NL8303557A (nl) * 1983-10-17 1985-05-17 Dhv Raadgevend Ing Werkwijze voor de verwijdering van zware metalen uit afvalwater.
US4579721A (en) * 1984-08-03 1986-04-01 Getty Oil Company Process for recovering metals from waste
US4540551A (en) * 1984-08-08 1985-09-10 Scm Corporation Two stage chlorination of titaniferous ore with FeCl3 reclamation
US4765908A (en) * 1985-02-04 1988-08-23 Barbara Monick Process and composition for removing contaminants from wastewater
JPH0712936B2 (ja) * 1986-10-30 1995-02-15 荏原インフイルコ株式会社 高純度含水酸化鉄の製造方法
JPS6430694A (en) * 1987-07-27 1989-02-01 Nippon Steel Corp Treatment of waste steel pickling solution
JPH01293187A (ja) * 1988-05-23 1989-11-27 Mitsubishi Heavy Ind Ltd 化学洗浄廃液の処理方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5271910A (en) * 1989-03-30 1993-12-21 Shell Internationale Research Maatschappij B.V. Process of treating metal chloride wastes
US5248497A (en) * 1991-09-17 1993-09-28 Kronos, Inc. Production of purified iron chloride by a vacuum process in the manufacture of titanium dioxide

Also Published As

Publication number Publication date
CA2112076A1 (en) 1994-06-23
US5407650A (en) 1995-04-18
DE59302604D1 (de) 1996-06-20
CA2112076C (en) 1999-05-11
AU5206593A (en) 1994-07-07
KR940014164A (ko) 1994-07-16
KR100292095B1 (ko) 2001-09-17
EP0604817B1 (de) 1996-05-15
TW237391B (enExample) 1995-01-01
DE4243559A1 (de) 1994-06-23
EP0604817A1 (de) 1994-07-06

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired
NA Applications received for extensions of time, section 223

Free format text: AN APPLICATION TO EXTEND THE TIME FROM 19991130 TO 20020926 IN WHICH TO PAY A RENEWAL FEE HAS BEEN LODGED

NB Applications allowed - extensions of time section 223(2)

Free format text: THE TIME IN WHICH TO PAY A RENEWAL FEE HAS BEEN EXTENDED TO 20020926

MK14 Patent ceased section 143(a) (annual fees not paid) or expired