ES2055097T3 - Metodo y aparato para el tratamiento de una suspension de carbonato calcico como residuo de la fabricacion de papel. - Google Patents

Metodo y aparato para el tratamiento de una suspension de carbonato calcico como residuo de la fabricacion de papel.

Info

Publication number
ES2055097T3
ES2055097T3 ES89311391T ES89311391T ES2055097T3 ES 2055097 T3 ES2055097 T3 ES 2055097T3 ES 89311391 T ES89311391 T ES 89311391T ES 89311391 T ES89311391 T ES 89311391T ES 2055097 T3 ES2055097 T3 ES 2055097T3
Authority
ES
Spain
Prior art keywords
treatment
calcium carbonate
residue
suspension
granulose
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.)
Expired - Lifetime
Application number
ES89311391T
Other languages
English (en)
Inventor
Jorgen Theil
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.)
FLSmidth and Co AS
Original Assignee
FLSmidth and Co AS
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20373977&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2055097(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by FLSmidth and Co AS filed Critical FLSmidth and Co AS
Application granted granted Critical
Publication of ES2055097T3 publication Critical patent/ES2055097T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds

Landscapes

  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paper (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treatment Of Sludge (AREA)
  • Fertilizers (AREA)

Abstract

EN UN METODO QUE UTILIZA UN APARATO PARA LLEVAR A CABO EL METODO PARA EL TRATAMIENTO DE LECHADA ("MESA") DE CARBONATO DE CALCIO, QUE ES UN RESIDUO REUTILIZABLE DE LA CAUSTIFICACION DE CARBONATO SODICO CON CAL VIVA QUEMADA EN LA FABRICACION DE PAPEL DESPUES DEL PROCESO DE SULFATO, EL LODO DE CAL O "MESA CAKE" SE CONDICIONA EN UN MEZCLADOR (21) CON MATERIA PRIMA SECA, GRANULOSA (CACO3), PARA UNA PULPA DE MESA HUMEDA, SUELTA QUE SE CARGA EN EL EXTREMO INFERIOR DE UN TUBO ASCENDENTE (17) CONSTRUIDO COMO UN CONDUCTO DE EVAPORACION EN LA QUE LA PULPA DE MESA SE SUSPENDE, SECA Y PULVERIZA MEDIANTE GAS DE HUMO CALIENTE DE UN HORNO (1) DEL CUAL EL PRODUCTO SECO, GRANULOSO SE SEPARA DEL GAS DE HUMO EN UN SEPARADOR (18) Y SE CARGA AL HORNO (1) PARA POSTERIOR TRATAMIENTO EN EL MISMO.
ES89311391T 1988-11-17 1989-11-02 Metodo y aparato para el tratamiento de una suspension de carbonato calcico como residuo de la fabricacion de papel. Expired - Lifetime ES2055097T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8804160A SE460728B (sv) 1988-11-17 1988-11-17 Foerfarande och anlaeggning vid behandling av mesa

Publications (1)

Publication Number Publication Date
ES2055097T3 true ES2055097T3 (es) 1994-08-16

Family

ID=20373977

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89311391T Expired - Lifetime ES2055097T3 (es) 1988-11-17 1989-11-02 Metodo y aparato para el tratamiento de una suspension de carbonato calcico como residuo de la fabricacion de papel.

Country Status (10)

Country Link
EP (1) EP0369650B1 (es)
JP (1) JPH0319987A (es)
AT (1) ATE88767T1 (es)
BR (1) BR8905827A (es)
CA (1) CA2003112A1 (es)
DE (1) DE68906243T2 (es)
ES (1) ES2055097T3 (es)
FI (1) FI93751B (es)
PT (1) PT92341A (es)
SE (1) SE460728B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5213496A (en) * 1989-07-03 1993-05-25 A. Ahlstrom Corporation Feeding system for a lime reburning kiln
FI87245C (fi) * 1989-07-03 1992-12-10 Ahlstroem Oy Inmatningssystem foer mesaugn
GB9606638D0 (en) * 1996-03-29 1996-06-05 Ecc Int Ltd Treatment of solid containing material derived from effluent
FI107057B (fi) * 1996-07-05 2001-05-31 Andritz Ahlstrom Oy Meesan syöttöjärjestelmä
US20020079075A1 (en) 1998-09-04 2002-06-27 Imerys Minerals Limited Treatment of solid containing material derived from effluent
US6294048B1 (en) * 1998-06-01 2001-09-25 U.S. Borax Inc. Method for regenerating sodium hydroxide by partial autocausticizing sodium carbonate containing smelt by reaction with a borate
US6348128B1 (en) 1998-06-01 2002-02-19 U.S. Borax Inc. Method of increasing the causticizing efficiency of alkaline pulping liquor by borate addition
JP4338744B2 (ja) 2007-03-30 2009-10-07 セイコークロック株式会社 からくり時計
DE102011014348A1 (de) 2011-03-18 2014-06-18 Ecoloop Gmbh Verfahren zur kontinuierlichen Herstellung von gefälltem Calciumcarbonat

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020881C2 (de) * 1980-06-02 1984-08-09 Krupp Polysius Ag, 4720 Beckum Verfahren und Anlage zur Herstellung von Sintermagnesit aus Magnesiumhydroxid
FI73755C (fi) * 1985-11-22 1987-11-09 Ekono Oy Foerfarande foer kausticering av en alkalikarbonathaltig vattenloesning.

Also Published As

Publication number Publication date
BR8905827A (pt) 1990-06-12
FI93751B (fi) 1995-02-15
DE68906243T2 (de) 1993-08-12
ATE88767T1 (de) 1993-05-15
PT92341A (pt) 1990-05-31
EP0369650A2 (en) 1990-05-23
CA2003112A1 (en) 1990-05-17
SE8804160D0 (sv) 1988-11-17
DE68906243D1 (de) 1993-06-03
EP0369650A3 (en) 1991-05-29
EP0369650B1 (en) 1993-04-28
JPH0319987A (ja) 1991-01-29
SE460728B (sv) 1989-11-13
FI895468A0 (fi) 1989-11-16

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