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PE20000252A1 - METHOD FOR PRODUCING MOLYBDENUM CHEMICALS FROM SULPHID MATERIALS - Google Patents

METHOD FOR PRODUCING MOLYBDENUM CHEMICALS FROM SULPHID MATERIALS

Info

Publication number
PE20000252A1
PE20000252A1 PE1999000100A PE00010099A PE20000252A1 PE 20000252 A1 PE20000252 A1 PE 20000252A1 PE 1999000100 A PE1999000100 A PE 1999000100A PE 00010099 A PE00010099 A PE 00010099A PE 20000252 A1 PE20000252 A1 PE 20000252A1
Authority
PE
Peru
Prior art keywords
solution
precipitate
molybdenum
iii
recovered
Prior art date
Application number
PE1999000100A
Other languages
Spanish (es)
Inventor
William A May
Mahesh C Jha
Original Assignee
Qualchem 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 Qualchem Inc filed Critical Qualchem Inc
Publication of PE20000252A1 publication Critical patent/PE20000252A1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/009General processes for recovering metals or metallic compounds from spent catalysts
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G39/00Compounds of molybdenum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00Obtaining refractory metals
    • C22B34/30Obtaining chromium, molybdenum or tungsten
    • C22B34/34Obtaining molybdenum
    • 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
    • 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
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Fertilizers (AREA)

Abstract

METODO PARA RECUPERAR MOLIBDENO DESDE UNA SOLUCION QUE LO CONTIENE, EL CUAL CONSISTE EN : i) CONVERTIR UNA PARTE DEL MOLIBDENO QUE CONTIENE LA SOLUCION EN CRISTALES DE HEPTAMOLIBDATO DE AMONIO Y DIMOLIBDATO AMONICO, Y RETIRARLOS; ii) PONER EN CONTACTO DICHA SOLUCION, CON ACIDO SULFURICO PARA REDUCIR EL pH A UN VALOR NO MAYOR A 4; iii) FILTRAR LA SOLUCION (ii) PARA SEPARAR EL POLIMOLIBDATO DE DICHA SOLUCION Y FORMAR UN PRECIPITADO RECUPERADO Y UN FILTRADO; iv) LAVAR EL PRECIPITADO RECUPERADO EN (iii) CON UNA SOLUCION LAVATIVA DE MOLIBDATO AMONICO PARA RETIRAR UNA PARTE DEL SULFATO AMONICO TOTAL EN EL PRECIPITADO; v) SECAR Y CALCINAR EL PRECIPITADO RECUPERADO EN (iv) PARA RETIRAR EL AMONIACO Y EL AGUA, OBTENIENDO UN PRECIPITADO RICO EN MOLIBDENO; vi) PONER EN CONTACTO EL FILTRADO OBTENIDO EN (iii) CON UN SULFURO EN CONDICIONES SUFICIENTES PARA PRECIPITAR SULFURO DE MOLIBDENO; vii) EVAPORAR EL AGUA DEL FILTRADO (vi) PARA DAR SULFATO AMONICO FERROSO GRANULADOMETHOD TO RECOVER MOLYBDENUM FROM A SOLUTION THAT CONTAINS IT, WHICH CONSISTS OF: i) CONVERTING A PART OF THE MOLYBDENUM CONTAINING THE SOLUTION INTO AMMONIUM DIMOLYBDATE AND AMMONIUM DIMOLYBDATE CRYSTALS, AND REMOVE THEM; ii) PUT IN CONTACT SAID SOLUTION, WITH SULFURIC ACID TO REDUCE THE pH TO A VALUE NO GREATER THAN 4; iii) FILTERING THE SOLUTION (ii) TO SEPARATE THE POLYMOLYBDATE FROM SAID SOLUTION AND FORM A RECOVERED PRECIPITATE AND A FILTER; iv) WASH THE PRECIPITATE RECOVERED IN (iii) WITH AN AMMONIUM MOLYBDATE LAVATION SOLUTION TO REMOVE A PART OF THE TOTAL AMMONIUM SULPHATE IN THE PRECIPITATE; v) DRY AND CALCINE THE PRECIPITATE RECOVERED IN (iv) TO REMOVE AMMONIA AND WATER, OBTAINING A PRECIPITATE RICH IN MOLYBDENUM; vi) PUT IN CONTACT THE FILTER OBTAINED IN (iii) WITH A SULFIDE IN SUFFICIENT CONDITIONS TO PRECIPITATE MOLYBDENUM SULFIDE; vii) EVAPORATE THE WATER FROM THE FILTER (vi) TO GIVE GRANULATED FERROUS AMMONIUM SULPHATE

PE1999000100A 1998-02-11 1999-02-08 METHOD FOR PRODUCING MOLYBDENUM CHEMICALS FROM SULPHID MATERIALS PE20000252A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2192598A 1998-02-11 1998-02-11

Publications (1)

Publication Number Publication Date
PE20000252A1 true PE20000252A1 (en) 2000-04-12

Family

ID=21806888

Family Applications (1)

Application Number Title Priority Date Filing Date
PE1999000100A PE20000252A1 (en) 1998-02-11 1999-02-08 METHOD FOR PRODUCING MOLYBDENUM CHEMICALS FROM SULPHID MATERIALS

Country Status (2)

Country Link
PE (1) PE20000252A1 (en)
WO (1) WO1999041417A2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107723459A (en) * 2017-09-15 2018-02-23 核工业北京化工冶金研究院 A kind of method that coated uranium molybdenum ore granulation roasting heap extraction takes uranium molybdenum
CN107739850A (en) * 2017-09-15 2018-02-27 核工业北京化工冶金研究院 The clean preparation method of uranium molybdenum is reclaimed in a kind of uranium molybdenum ore from coated
CN107858513A (en) * 2017-10-09 2018-03-30 核工业北京化工冶金研究院 A kind of method that uranium molybdenum is extracted in the molybdenum ore acidleach tailings from uranium
CN107746967A (en) * 2017-10-09 2018-03-02 核工业北京化工冶金研究院 The production technology of uranium molybdenum is reclaimed in a kind of molybdenum ore acidleach tailings from uranium
CN109055727B (en) * 2018-11-05 2020-07-14 中南大学 A kind of method for comprehensively recovering nickel-molybdenum in nickel-molybdenum ore
CA3157756A1 (en) * 2019-12-17 2021-06-24 Guido PROVOOST Reduction of impurities in a roasted molybdenum concentrate
CN113828323B (en) * 2020-06-24 2024-01-30 中国石油化工股份有限公司 Additional catalyst for acrylonitrile production, preparation method and application
CN114686706B (en) * 2020-12-31 2023-09-26 郑州大学 A method for recovering molybdenum and lead from molybdenum lead ore
CN114959311B (en) * 2022-05-27 2023-09-05 黑龙江多宝山铜业股份有限公司 Method for comprehensively recovering rare noble metals from high-copper molybdenum concentrate

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB687523A (en) * 1949-11-15 1953-02-18 Chemical Construction Corp Improvements relating to the concentration of non-ferrous metals as sulfides from anore concentrate containing non-ferrous metal values
BE794636A (en) * 1972-01-27 1973-05-16 American Metal Climax Inc PROCESS FOR THE PRODUCTION OF MOLYBDENE OXIDE AND HIGH PURE AMMONIUM MOLYBDATE
US3932580A (en) * 1974-10-21 1976-01-13 Amax Inc. Process for purifying technical grade molybdenum oxide
DE2801067C3 (en) * 1978-01-11 1981-02-19 Amax Inc., Greenwich, Conn. (V.St.A.) Process for the production of pure ammonium heptamolybdate
US4211753A (en) * 1978-11-20 1980-07-08 Kennecott Copper Corporation Recovery of molybdenum values from dilute solutions
US4273745A (en) * 1979-10-03 1981-06-16 Amax Inc. Production of molybdenum oxide from ammonium molybdate solutions
US4374100A (en) * 1981-03-18 1983-02-15 Amax Inc. Recovery and recycle of molybdenum values from coal liquefaction residue

Also Published As

Publication number Publication date
WO1999041417A2 (en) 1999-08-19
WO1999041417A3 (en) 1999-10-21
WO1999041417B1 (en) 1999-12-16

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