FI78327B - Behandling av i kausticeringskretsloppet vid kraftfoerfarandet foerekommande loesningar foer senare utnyttjing av kalsiumkarbonatet. - Google Patents

Behandling av i kausticeringskretsloppet vid kraftfoerfarandet foerekommande loesningar foer senare utnyttjing av kalsiumkarbonatet. Download PDF

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Publication number
FI78327B
FI78327B FI841539A FI841539A FI78327B FI 78327 B FI78327 B FI 78327B FI 841539 A FI841539 A FI 841539A FI 841539 A FI841539 A FI 841539A FI 78327 B FI78327 B FI 78327B
Authority
FI
Finland
Prior art keywords
calcium carbonate
white liquor
liquor
temperature
washing
Prior art date
Application number
FI841539A
Other languages
English (en)
Finnish (fi)
Other versions
FI841539A (fi
FI841539A0 (fi
Inventor
Henriette Raoux
Christian Jarrioz
Michel Vives
Original Assignee
Condat Papeteries
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 Condat Papeteries filed Critical Condat Papeteries
Publication of FI841539A0 publication Critical patent/FI841539A0/fi
Publication of FI841539A publication Critical patent/FI841539A/fi
Application granted granted Critical
Publication of FI78327B publication Critical patent/FI78327B/fi

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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
    • 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
    • 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
    • C09C1/022—Treatment with inorganic compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
    • 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
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paper (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Claims (13)

1. Förfarande för behandling av löeningar, eom förekom-mer i kaueticeringskretsloppet vid kokning av trä enligt kraft-metoden och medelet vilka kalciumkarbonat kan erhällas för användning speciellt vid beläggning av papper mad pigment, kännetecknat av att förfarandet innefattar följande eteg: ealterna loses med ätminetone en del av den vitlut, eom härrör ur tvättningen av kalciumkarbonatet, varvid i hogre grad koncentrerad grönlut erhälle, grönluten filtreras vid en temperatur, eom är nägot over o Θ0 C, o . kaiken eläckes vid en temperatur av cirka 100 C, den filtrerade grönluten kausticeras vid en temperatur av o över 90 C genom tillsats av släckt kalkmjölk, den etarka vitluten separerae frän fällningen innehällande kalciumkarbonat, o fällningen tvättae med vatten, eom är över Θ0 C, för separation av kalciumkarbonatet frän den resterande vitluten och de järnealter, eom är löeliga vid denna temperatur, kalciumkarbonatet, eom är behandlat och speciellt hydrocyk-lonieerat, tillvaratagee för att därav erh&lla en önekad kornsammansättning av nägot under 15 ^um, . den evaga vitluten äterföre tili kreteloppet för loaning av ealterna.
2. Förfarande enligt patentkravet 1, kännetecknat av att eläckning av kaiken genomföre med en del av den vitlut, eom härrör ur tvättningen av kalciumkarbonatet.
3. Förfarande enligt patentkravet 2, kännetecknat av att den del av den för eläckning av kaiken använda vitluten motevarar cirka 1/3 av den evaga vitluten härrörande frän tvättningen av karbonatet.
4. Förfarande enligt patentkravet 1, kännetecknat av att eläckning av kaiken genomföre med hjälp av vatten och att
FI841539A 1983-04-18 1984-04-17 Behandling av i kausticeringskretsloppet vid kraftfoerfarandet foerekommande loesningar foer senare utnyttjing av kalsiumkarbonatet. FI78327B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8306281A FR2544353B1 (fr) 1983-04-18 1983-04-18 Traitement des liqueurs entrant dans le cycle de caustification du procede kraft en vue de l'utilisation ulterieure du carbonate de calcium
FR8306281 1983-04-18

Publications (3)

Publication Number Publication Date
FI841539A0 FI841539A0 (fi) 1984-04-17
FI841539A FI841539A (fi) 1984-10-19
FI78327B true FI78327B (fi) 1989-03-31

Family

ID=9287955

Family Applications (1)

Application Number Title Priority Date Filing Date
FI841539A FI78327B (fi) 1983-04-18 1984-04-17 Behandling av i kausticeringskretsloppet vid kraftfoerfarandet foerekommande loesningar foer senare utnyttjing av kalsiumkarbonatet.

Country Status (8)

Country Link
EP (1) EP0125163B1 (sv)
JP (1) JPS6036329A (sv)
AT (1) ATE28093T1 (sv)
DE (1) DE3464509D1 (sv)
ES (1) ES531671A0 (sv)
FI (1) FI78327B (sv)
FR (1) FR2544353B1 (sv)
NO (1) NO163704C (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570721B1 (fr) * 1984-09-25 1988-01-08 Condat Papeteries Procede permettant la valorisation des boues de chaux dans le cycle de caustification du procede kraft
DE3644340A1 (de) * 1986-12-23 1988-07-07 Krupp Polysius Ag Verfahren und anlage zur wiedergewinnung von soda aus gruenlauge
CN1088040C (zh) 1996-12-09 2002-07-24 日本制纸株式会社 制备碳酸钙的方法
WO1998025852A1 (fr) * 1996-12-09 1998-06-18 Nippon Paper Industries Co., Ltd. Procede de preparation de carbonate de calcium
DE69801140T2 (de) * 1997-09-12 2001-11-29 Nippon Paper Industries Co. Ltd., Tokio/Tokyo Verfahren zur Herstellung von beschichtetem Druckpapier
WO2012027223A1 (en) * 2010-08-24 2012-03-01 Specialty Minerals (Michigan) Inc. Lime causticization product brightness improvement via pre-slaking
CN110498427A (zh) * 2018-05-16 2019-11-26 恒天海龙（潍坊）新材料有限责任公司 一种粘胶纤维生产中芒硝的综合利用方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB117414A (en) * 1916-03-29 1918-07-18 Harold Robert Rafsky Improvements in and relating to Coated Paper.
US1587679A (en) * 1924-01-17 1926-06-08 Brown Co Process of recovering calcium carbonate from caustic liquors
US1894620A (en) * 1929-06-26 1933-01-17 Kress Otto Process of producing a white filler product from sulphate pulp lime mud
US2062255A (en) * 1932-08-12 1936-11-24 Raffold Process Corp Pigment manufacture
US2211908A (en) * 1937-11-18 1940-08-20 Mead Corp Manufacture of caustic soda and calcium carbonate
US2979380A (en) * 1958-11-28 1961-04-11 Thomas C Miller Carbonate manufacture
US3268388A (en) * 1963-08-20 1966-08-23 Glatfelter Co P H Manufacture of calcium carbonate

Also Published As

Publication number Publication date
ES8501469A1 (es) 1984-12-16
ATE28093T1 (de) 1987-07-15
ES531671A0 (es) 1984-12-16
FR2544353B1 (fr) 1985-06-28
NO163704B (no) 1990-03-26
JPS6036329A (ja) 1985-02-25
EP0125163A1 (fr) 1984-11-14
FR2544353A1 (fr) 1984-10-19
NO163704C (no) 1990-07-04
FI841539A (fi) 1984-10-19
DE3464509D1 (en) 1987-08-06
FI841539A0 (fi) 1984-04-17
NO841552L (no) 1984-10-19
EP0125163B1 (fr) 1987-07-01

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