ES547876A0 - Dispositivo para la reduccion de hierro y vanadio en solu- cion de acido fosforico - Google Patents

Dispositivo para la reduccion de hierro y vanadio en solu- cion de acido fosforico

Info

Publication number
ES547876A0
ES547876A0 ES547876A ES547876A ES547876A0 ES 547876 A0 ES547876 A0 ES 547876A0 ES 547876 A ES547876 A ES 547876A ES 547876 A ES547876 A ES 547876A ES 547876 A0 ES547876 A0 ES 547876A0
Authority
ES
Spain
Prior art keywords
vanadium
iron
reduction
phosphoric acid
acid solution
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.)
Granted
Application number
ES547876A
Other languages
English (en)
Other versions
ES8604787A1 (es
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.)
Hoechst AG
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 ES8604787A1 publication Critical patent/ES8604787A1/es
Publication of ES547876A0 publication Critical patent/ES547876A0/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/30—Alkali metal phosphates
    • C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
    • C01B25/303—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • 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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/02—Apparatus therefor
    • 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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • 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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/20—Obtaining niobium, tantalum or vanadium
    • C22B34/22—Obtaining vanadium
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compounds Of Iron (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Catalysts (AREA)
ES547876A 1984-10-15 1985-10-15 Dispositivo para la reduccion de hierro y vanadio en solu- cion de acido fosforico Expired ES8604787A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3437689A DE3437689A1 (de) 1984-10-15 1984-10-15 Vorrichtung zur reduktion von eisen und vanadium in phosphorsaurer loesung

Publications (2)

Publication Number Publication Date
ES8604787A1 ES8604787A1 (es) 1986-03-16
ES547876A0 true ES547876A0 (es) 1986-03-16

Family

ID=6247893

Family Applications (1)

Application Number Title Priority Date Filing Date
ES547876A Expired ES8604787A1 (es) 1984-10-15 1985-10-15 Dispositivo para la reduccion de hierro y vanadio en solu- cion de acido fosforico

Country Status (6)

Country Link
US (1) US4705671A (es)
EP (1) EP0178526B1 (es)
CA (1) CA1248736A (es)
DE (2) DE3437689A1 (es)
ES (1) ES8604787A1 (es)
MA (1) MA20540A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2242687B (en) * 1990-03-31 1994-08-31 Uss Kk Apparatus for converting synthetic resin into oil
CN104651608B (zh) * 2015-02-15 2017-01-25 薛平 回转式连续浸出机组及连续逆流浸出方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1667549A (en) * 1924-04-01 1928-04-24 Chemical Construction Company Art of phosphoric acid manufacture
US1875879A (en) * 1927-10-27 1932-09-06 Tennessee Copper And Chemical Acid phosphate and method of producing the same
US2521896A (en) * 1946-10-10 1950-09-12 Us Vanadium Corp Rotary treater for ores
US3007690A (en) * 1960-02-03 1961-11-07 Chemical Construction Corp Self-sealing rotary kiln
US3160669A (en) * 1962-04-13 1964-12-08 Sumitomo Chemical Co Emulsion process of producing aromatic nitro compounds
US3392003A (en) * 1963-12-16 1968-07-09 Titanium Metals Corp Leaching apparatus
US3544269A (en) * 1967-02-27 1970-12-01 Whiting Corp Method for producing defluorinated phosphoric acid
CH495283A (de) * 1967-10-17 1970-08-31 Buss Ag Verfahren zur kontinuierlichen Erzeugung von Flussäure und Einrichtung zur Durchführung des Verfahrens
US3617226A (en) * 1968-04-26 1971-11-02 Huels Chemische Werke Ag Apparatus for the continuous preparation of esters
JPS5230959B2 (es) * 1972-11-25 1977-08-11
DE2528896C2 (de) * 1975-06-28 1984-07-12 Hoechst Ag, 6230 Frankfurt Verfahren zur Herstellung einer vanadiumarmen Alkaliphosphatlösung
CH609092A5 (es) * 1977-04-01 1979-02-15 Battelle Memorial Institute
US4374805A (en) * 1978-05-26 1983-02-22 Uranium Recovery Corporation Reductants for reducing metals in acid media
DE2942439C2 (de) * 1979-10-20 1981-10-15 Vereinigte Aluminium-Werke Ag, 5300 Bonn Verfahren und Vorrichtung zur Gewinnung von Fluorwasserstoff aus fluorhaltigen Materialien durch Pyrohydrolyse
DE3045645A1 (de) * 1980-12-04 1982-07-22 Hoechst Ag, 6000 Frankfurt Verfahren zur reduktion von eisen in phospharsaurer loesung
US4394349A (en) * 1981-07-06 1983-07-19 Standard Oil Company (Indiana) Apparatus for the fluidized catalytic cracking of hydrocarbon feedstock
US4485078A (en) * 1982-03-16 1984-11-27 Agrico Chemical Company Process for producing wet process phosphoric acid from phosphate rocks containing fluochlorapatite and related minerals
US4521379A (en) * 1983-06-24 1985-06-04 General Electric Company Rotary calcining system with cleaning means

Also Published As

Publication number Publication date
US4705671A (en) 1987-11-10
EP0178526A3 (en) 1987-03-25
MA20540A1 (fr) 1986-07-01
EP0178526A2 (de) 1986-04-23
ES8604787A1 (es) 1986-03-16
DE3437689A1 (de) 1986-04-17
DE3567621D1 (en) 1989-02-23
EP0178526B1 (de) 1989-01-18
CA1248736A (en) 1989-01-17

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