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BR9401472A - Controlled leaching process for natural manganese dioxide using hydrochloric acid - Google Patents

Controlled leaching process for natural manganese dioxide using hydrochloric acid

Info

Publication number
BR9401472A
BR9401472A BR9401472A BR9401472A BR9401472A BR 9401472 A BR9401472 A BR 9401472A BR 9401472 A BR9401472 A BR 9401472A BR 9401472 A BR9401472 A BR 9401472A BR 9401472 A BR9401472 A BR 9401472A
Authority
BR
Brazil
Prior art keywords
hydrochloric acid
manganese dioxide
leaching process
natural manganese
controlled leaching
Prior art date
Application number
BR9401472A
Other languages
Portuguese (pt)
Inventor
Machado Paixao Jose Marc Matta
Amaral Josue Coelho
Jose Luiz Pieroni
Original Assignee
Vale Do Rio Doce Co
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 Vale Do Rio Doce Co filed Critical Vale Do Rio Doce Co
Priority to BR9401472A priority Critical patent/BR9401472A/en
Priority to AU79140/94A priority patent/AU685174B2/en
Priority to OA60601A priority patent/OA10219A/en
Priority to ZA95664A priority patent/ZA95664B/en
Priority to JP7019003A priority patent/JPH07277737A/en
Priority to ES09500301A priority patent/ES2103233B1/en
Priority to CA002144925A priority patent/CA2144925C/en
Priority to PT101680A priority patent/PT101680B/en
Priority to BE9500307A priority patent/BE1008675A3/en
Priority to NL1000073A priority patent/NL1000073C1/en
Priority to FR9504185A priority patent/FR2718429B1/en
Publication of BR9401472A publication Critical patent/BR9401472A/en
Priority to US09/053,225 priority patent/US6171562B1/en

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
    • C22B47/00—Obtaining manganese
    • C22B47/0018—Treating ocean floor nodules
    • C22B47/0045—Treating ocean floor nodules by wet processes
    • C22B47/0054—Treating ocean floor nodules by wet processes leaching processes
    • C22B47/0063—Treating ocean floor nodules by wet processes leaching processes with acids or salt solutions
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ocean & Marine Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oceanography (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Paper (AREA)
BR9401472A 1994-04-07 1994-04-07 Controlled leaching process for natural manganese dioxide using hydrochloric acid BR9401472A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
BR9401472A BR9401472A (en) 1994-04-07 1994-04-07 Controlled leaching process for natural manganese dioxide using hydrochloric acid
AU79140/94A AU685174B2 (en) 1994-04-07 1994-12-01 A process for the controlled leaching of natural manganese dioxide by using hydrochloric acid
OA60601A OA10219A (en) 1994-04-07 1995-01-09 A process for the controlled leaching of natural manganese dioxide by using hydrochloric acid
ZA95664A ZA95664B (en) 1994-04-07 1995-01-27 A process for the controlled leaching of natural manganese dioxide by using hydrochloric acid
JP7019003A JPH07277737A (en) 1994-04-07 1995-02-07 Controlled leaching of natural manganese dioxide with hydrochloric acid
ES09500301A ES2103233B1 (en) 1994-04-07 1995-02-15 PROCEDURE FOR CONTROLLED LEACHING OF NATURAL MANGANESE BIOXIDE USING HYDROCHLORIC ACID.
CA002144925A CA2144925C (en) 1994-04-07 1995-03-17 A process for the controlled leaching of natural manganese dioxide by using hydrochloric acid
PT101680A PT101680B (en) 1994-04-07 1995-03-29 PROCESS OF CONTROLLED LEACHING OF NATURAL MANGAN DIOXIDE THROUGH THE USE OF CHLORIDYRIC ACID
BE9500307A BE1008675A3 (en) 1994-04-07 1995-04-04 A method for controlled leaching of manganese dioxide using natural hydrochloric acid.
NL1000073A NL1000073C1 (en) 1994-04-07 1995-04-06 Process for the controlled leaching of a natural manganese dioxide using hydrochloric acid.
FR9504185A FR2718429B1 (en) 1994-04-07 1995-04-07 Process for the leaching of manganese dioxide by hydrochloric acid.
US09/053,225 US6171562B1 (en) 1994-04-07 1998-04-01 Process for the extraction and elimination of deleterious material from natural manganese dioxide and concentrate of manganese dioxide obtained by said process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9401472A BR9401472A (en) 1994-04-07 1994-04-07 Controlled leaching process for natural manganese dioxide using hydrochloric acid

Publications (1)

Publication Number Publication Date
BR9401472A true BR9401472A (en) 1995-11-07

Family

ID=4058746

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9401472A BR9401472A (en) 1994-04-07 1994-04-07 Controlled leaching process for natural manganese dioxide using hydrochloric acid

Country Status (11)

Country Link
JP (1) JPH07277737A (en)
AU (1) AU685174B2 (en)
BE (1) BE1008675A3 (en)
BR (1) BR9401472A (en)
CA (1) CA2144925C (en)
ES (1) ES2103233B1 (en)
FR (1) FR2718429B1 (en)
NL (1) NL1000073C1 (en)
OA (1) OA10219A (en)
PT (1) PT101680B (en)
ZA (1) ZA95664B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2607873C1 (en) * 2015-09-28 2017-01-20 федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский горный университет" Method of processing of ferromanganese concretions
CN113387391B (en) * 2021-07-30 2022-05-24 广西埃索凯新材料科技有限公司 Manganese sulfate production system based on manganese oxide ore

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2240586A1 (en) * 1972-08-18 1974-02-28 Krupp Gmbh Leaching sea bed manganese nodules with hydrochloric acid - to recover copper, nickel, cobalt, manganese and iron
US4002717A (en) * 1975-01-09 1977-01-11 Deepsea Ventures, Inc. Refining of manganese oxide ores
CA1061568A (en) * 1975-01-17 1979-09-04 Antoine Van Peteghem Process for extracting metal values from manganiferous ocean floor nodule ore
DE2623837A1 (en) * 1976-03-30 1977-10-13 Eleusis Bauxite Mines Inc METHOD FOR PRODUCING ACTIVE MANGANE DIOXIDE
US4150091A (en) * 1977-11-21 1979-04-17 Sun Ocean Ventures, Inc. Manganese ore leaching process
DE4329086A1 (en) * 1993-08-30 1995-03-02 Gewerk Keramchemie Process for the hydrometallurgical reprocessing of used batteries for recovering the raw materials

Also Published As

Publication number Publication date
JPH07277737A (en) 1995-10-24
FR2718429A1 (en) 1995-10-13
ES2103233A1 (en) 1997-09-01
PT101680A (en) 1995-11-30
AU685174B2 (en) 1998-01-15
PT101680B (en) 1997-04-30
CA2144925A1 (en) 1995-10-08
OA10219A (en) 1997-09-19
BE1008675A3 (en) 1996-07-02
ES2103233B1 (en) 1998-07-01
AU7914094A (en) 1995-10-19
CA2144925C (en) 2006-09-19
NL1000073C1 (en) 1995-10-09
ZA95664B (en) 1995-09-28
FR2718429B1 (en) 1997-01-24

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
HO Change of classification

Free format text: ALTERADA DE INT. CL. 6 C22B 3/00

FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 07/04/2014