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NO942218L - Process for the preparation of carbonate composition - Google Patents

Process for the preparation of carbonate composition

Info

Publication number
NO942218L
NO942218L NO942218A NO942218A NO942218L NO 942218 L NO942218 L NO 942218L NO 942218 A NO942218 A NO 942218A NO 942218 A NO942218 A NO 942218A NO 942218 L NO942218 L NO 942218L
Authority
NO
Norway
Prior art keywords
particles
slurry
centrifuge
preparation
calcium carbonate
Prior art date
Application number
NO942218A
Other languages
Norwegian (no)
Other versions
NO942218D0 (en
Inventor
Paul E Adler
Charles B Den-Holm
Original Assignee
Paul E Adler
Den Holm Charles B
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 Paul E Adler, Den Holm Charles B filed Critical Paul E Adler
Publication of NO942218D0 publication Critical patent/NO942218D0/en
Publication of NO942218L publication Critical patent/NO942218L/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/02—Compounds of alkaline earth metals or magnesium
    • C09C1/021—Calcium carbonates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C01D1/20—Preparation by reacting oxides or hydroxides with alkali metal salts
    • C01D1/22—Preparation by reacting oxides or hydroxides with alkali metal salts with carbonates or bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/18—Carbonates
    • C01F11/185—After-treatment, e.g. grinding, purification, conversion of crystal morphology
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
    • D21H21/52—Additives of definite length or shape
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C01P2004/52—Particles with a specific particle size distribution highly monodisperse size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C01P2004/53—Particles with a specific particle size distribution bimodal size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paper (AREA)

Abstract

Fremgangsmåte og apparatur til oppnåelse av en natriumhydroksidløsning og oppslemming og kalsiumkarbonatpartikler til anvendelse som papirbestrykning inkluderer .trinnet med å omsette kalsiumhydroksid og natriumkarbonat i alkalireaktor (6). Den resulterende oppslemming vannavtappes i en sentrifuge (14) og partiklene klassifiseres i sentrifuge (35). Den grove fraksjon separeres og finfordeles i en oppmåler (45), og de oppmålte partikler resykleres til blandetanken (33) for kombinasjon med frisk oppslemming. Kalsiumkarbonatproduktet konsentreres i inndamper (39) og overføres til en lagret tank (37).Process and apparatus for obtaining a sodium hydroxide solution and slurry and calcium carbonate particles for use as paper coating include the step of converting calcium hydroxide and sodium carbonate into alkali reactor (6). The resulting slurry is drained into a centrifuge (14) and the particles classified into a centrifuge (35). The coarse fraction is separated and finely divided into a meter (45), and the measured particles are recycled to the mixing tank (33) for combination with fresh slurry. The calcium carbonate product is concentrated in evaporators (39) and transferred to a stored tank (37).

NO942218A 1991-12-12 1994-06-13 Process for the preparation of carbonate composition NO942218L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80671791A 1991-12-12 1991-12-12
PCT/US1992/010740 WO1993012038A1 (en) 1991-12-12 1992-12-11 Process for producing a carbonate composition

Publications (2)

Publication Number Publication Date
NO942218D0 NO942218D0 (en) 1994-06-13
NO942218L true NO942218L (en) 1994-07-28

Family

ID=25194691

Family Applications (1)

Application Number Title Priority Date Filing Date
NO942218A NO942218L (en) 1991-12-12 1994-06-13 Process for the preparation of carbonate composition

Country Status (6)

Country Link
EP (1) EP0616602A4 (en)
AU (1) AU3277193A (en)
CA (1) CA2125695A1 (en)
FI (1) FI942797A7 (en)
NO (1) NO942218L (en)
WO (1) WO1993012038A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI100237B (en) * 1995-01-30 1997-10-31 Fp Pigments Oy Process and apparatus for producing calcium carbonate
US5643631A (en) * 1995-03-17 1997-07-01 Minerals Tech Inc Ink jet recording paper incorporating novel precipitated calcium carbonate pigment
JP3995745B2 (en) * 1996-12-27 2007-10-24 奥多摩工業株式会社 Method for producing light calcium carbonate / heavy calcium carbonate mixed aqueous slurry
CN107930838B (en) * 2017-11-20 2020-01-31 广西河池华泰新材料科技有限公司 grading treatment circulating system for producing ground calcium carbonate
US12365962B2 (en) 2019-04-29 2025-07-22 Fpinnovations Process to recover alkali from a metal oxide/hydroxide containing material
CN112079373A (en) * 2020-09-10 2020-12-15 浙江浙能嘉华发电有限公司 Device and process for preparing micron-sized homogeneous calcium carbonate through causticization reaction

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3120426A (en) * 1959-06-24 1964-02-04 Kaiser Aluminium Chem Corp Process for the production of aragonite crystals
US3268387A (en) * 1963-08-20 1966-08-23 Glatfelter Co P H Manufacture of calcium carbonate
GB1472701A (en) * 1975-01-03 1977-05-04 English Clays Lovering Pochin Production of aqueous calcium carbonate suspensions
GB1599632A (en) * 1977-01-19 1981-10-07 English Clays Lovering Pochin Comminution of solid materials
GB1601587A (en) * 1978-05-31 1981-11-04 English Clays Lovering Pochin Processing of calcium carbonate minerals

Also Published As

Publication number Publication date
EP0616602A1 (en) 1994-09-28
WO1993012038A1 (en) 1993-06-24
FI942797A0 (en) 1994-06-13
CA2125695A1 (en) 1993-06-24
AU3277193A (en) 1993-07-19
FI942797A7 (en) 1994-07-25
EP0616602A4 (en) 1996-07-17
NO942218D0 (en) 1994-06-13

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