BE767618A - Procede pour la formation d'un precipite dense lors du traitement d'unesolution sulfurique par un reactif a base de chaux - Google Patents

Procede pour la formation d'un precipite dense lors du traitement d'unesolution sulfurique par un reactif a base de chaux

Info

Publication number
BE767618A
BE767618A BE767618A BE767618A BE767618A BE 767618 A BE767618 A BE 767618A BE 767618 A BE767618 A BE 767618A BE 767618 A BE767618 A BE 767618A BE 767618 A BE767618 A BE 767618A
Authority
BE
Belgium
Prior art keywords
gypsum
seeding
sulphuric acid
prodn
dense
Prior art date
Application number
BE767618A
Other languages
English (en)
Inventor
R Winand
Original Assignee
Univ Bruxelles
Union Miniere Sa
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 Univ Bruxelles, Union Miniere Sa filed Critical Univ Bruxelles
Priority to BE767618A priority Critical patent/BE767618A/fr
Publication of BE767618A publication Critical patent/BE767618A/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D9/00Crystallisation
    • B01D9/0036Crystallisation on to a bed of product crystals; Seeding
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00Compounds of calcium, strontium, or barium
    • C01F11/46Sulfates
    • 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
    • C22B3/44Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • 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)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
BE767618A 1971-05-25 1971-05-25 Procede pour la formation d'un precipite dense lors du traitement d'unesolution sulfurique par un reactif a base de chaux BE767618A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE767618A BE767618A (fr) 1971-05-25 1971-05-25 Procede pour la formation d'un precipite dense lors du traitement d'unesolution sulfurique par un reactif a base de chaux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE767618A BE767618A (fr) 1971-05-25 1971-05-25 Procede pour la formation d'un precipite dense lors du traitement d'unesolution sulfurique par un reactif a base de chaux

Publications (1)

Publication Number Publication Date
BE767618A true BE767618A (fr) 1971-10-18

Family

ID=3858184

Family Applications (1)

Application Number Title Priority Date Filing Date
BE767618A BE767618A (fr) 1971-05-25 1971-05-25 Procede pour la formation d'un precipite dense lors du traitement d'unesolution sulfurique par un reactif a base de chaux

Country Status (1)

Country Link
BE (1) BE767618A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306272A1 (fr) * 1975-04-02 1976-10-29 Int Nickel Canada Procede pour la recuperation de metaux a partir d'une solution de sulfate
FR2309645A1 (fr) * 1975-04-29 1976-11-26 Int Nickel Canada Procede d'extraction de metaux a partir de solutions de sulfates

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306272A1 (fr) * 1975-04-02 1976-10-29 Int Nickel Canada Procede pour la recuperation de metaux a partir d'une solution de sulfate
FR2309645A1 (fr) * 1975-04-29 1976-11-26 Int Nickel Canada Procede d'extraction de metaux a partir de solutions de sulfates

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