ES2138340T3 - Un proceso para la produccion de papel. - Google Patents

Un proceso para la produccion de papel.

Info

Publication number
ES2138340T3
ES2138340T3 ES96914502T ES96914502T ES2138340T3 ES 2138340 T3 ES2138340 T3 ES 2138340T3 ES 96914502 T ES96914502 T ES 96914502T ES 96914502 T ES96914502 T ES 96914502T ES 2138340 T3 ES2138340 T3 ES 2138340T3
Authority
ES
Spain
Prior art keywords
pct
white water
mixing stage
paper
production
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
ES96914502T
Other languages
English (en)
Inventor
Maria Norell
Lennart Nilsson
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.)
Nouryon Pulp and Performance Chemicals AB
Original Assignee
Eka Chemicals AB
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 Eka Chemicals AB filed Critical Eka Chemicals AB
Application granted granted Critical
Publication of ES2138340T3 publication Critical patent/ES2138340T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water

Landscapes

  • Paper (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Polarising Elements (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

SE PRESENTA UN PROCESO PARA LA PRODUCCION DE PAPEL MEZCLANDO UNA FASE ACUOSA QUE COMPRENDE AGUA BLANCA CON FIBRAS QUE CONTENGAN CELULOSA, Y RELLENOS OPCIONALES, EN UNA ETAPA DE MEZCLADO PARA FORMAR UNA SUSPENSION ACUOSA, DESECANDO LA SUSPENSION EN LA PRESENCIA DE UN COADYUDANTE DE DESECACION O DE RETENCION PARA FORMAR UNA LAMINA O BANDA QUE CONTENGA FIBRAS Y AGUA BLANCA, Y RECIRCULANDO AL MENOS UNA PARTE DEL AGUA BLANCA HASTA LA ETAPA DE MEZCLA, MEDIANTE EL CUAL AL MENOS PARTE DEL AGUA BLANCA ES EXPUESTA A UNA ELECTRODIALISIS ANTES DE LA ETAPA DE MEZCLA.
ES96914502T 1995-05-12 1996-05-07 Un proceso para la produccion de papel. Expired - Lifetime ES2138340T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9501769A SE9501769D0 (sv) 1995-05-12 1995-05-12 A process for the production of paper

Publications (1)

Publication Number Publication Date
ES2138340T3 true ES2138340T3 (es) 2000-01-01

Family

ID=20398287

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96914502T Expired - Lifetime ES2138340T3 (es) 1995-05-12 1996-05-07 Un proceso para la produccion de papel.

Country Status (11)

Country Link
US (1) US5788815A (es)
EP (1) EP0775234B1 (es)
AT (1) ATE184932T1 (es)
AU (1) AU5784396A (es)
CA (1) CA2194680C (es)
DE (1) DE69604365T2 (es)
DK (1) DK0775234T3 (es)
ES (1) ES2138340T3 (es)
NZ (1) NZ308258A (es)
SE (1) SE9501769D0 (es)
WO (1) WO1996035838A1 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6113741A (en) * 1996-12-06 2000-09-05 Eka Chemicals Ab Process for the production of paper
US6423183B1 (en) 1997-12-24 2002-07-23 Kimberly-Clark Worldwide, Inc. Paper products and a method for applying a dye to cellulosic fibers
US6521134B1 (en) * 1999-05-14 2003-02-18 Institute Of Paper Science And Technology, Inc. System and method for altering the tack of materials using an electrohydraulic discharge
US6379498B1 (en) * 2000-02-28 2002-04-30 Kimberly-Clark Worldwide, Inc. Method for adding an adsorbable chemical additive to pulp during the pulp processing and products made by said method
US6749721B2 (en) 2000-12-22 2004-06-15 Kimberly-Clark Worldwide, Inc. Process for incorporating poorly substantive paper modifying agents into a paper sheet via wet end addition
US7749356B2 (en) * 2001-03-07 2010-07-06 Kimberly-Clark Worldwide, Inc. Method for using water insoluble chemical additives with pulp and products made by said method
US6582560B2 (en) 2001-03-07 2003-06-24 Kimberly-Clark Worldwide, Inc. Method for using water insoluble chemical additives with pulp and products made by said method
ZA200508659B (en) * 2003-05-09 2007-03-28 Akzo Nobel Nv A process for the production of paper
US7670459B2 (en) 2004-12-29 2010-03-02 Kimberly-Clark Worldwide, Inc. Soft and durable tissue products containing a softening agent
US8728274B2 (en) * 2006-09-22 2014-05-20 Akzo Nobel N.V. Treatment of pulp
US10016726B2 (en) 2014-02-28 2018-07-10 Noram Engineering And Constructors Ltd. Purification process for partly-hydrolyzed cellulose

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3141816A (en) * 1960-07-27 1964-07-21 Nalco Chemical Co Method of improving operational efficiency of white water recovery systems
US3715305A (en) * 1971-01-22 1973-02-06 New England Inst Inc Process for increasing sedimentation rate of heterogeneous colloidal suspension systems
US3884755A (en) * 1973-06-18 1975-05-20 Gaf Corp Closed cycle paper sheet production
US4221634A (en) * 1979-02-21 1980-09-09 Federal Paper Board Company, Inc. Method of treating papermaking white water
SE432951B (sv) * 1980-05-28 1984-04-30 Eka Ab Pappersprodukt innehallande cellulosafibrer och ett bindemedelssystem som omfattar kolloidal kiselsyra och katjonisk sterkelse samt forfarande for framstellning av pappersprodukten
SE8403062L (sv) * 1984-06-07 1985-12-08 Eka Ab Forfarande vid papperstillverkning
SE451739B (sv) * 1985-04-03 1987-10-26 Eka Nobel Ab Papperstillverkningsforfarande och pappersprodukt varvid som avvattnings- och retentionsforbettrande kemikalie anvends katjonisk polyakrylamid och en speciell oorganisk kolloid
US4913775A (en) * 1986-01-29 1990-04-03 Allied Colloids Ltd. Production of paper and paper board
SE461156B (sv) * 1988-05-25 1990-01-15 Eka Nobel Ab Saett foer framstaellning av papper varvid formning och avvattning aeger rum i naervaro av en aluminiumfoerening, ett katjoniskt retentionsmedel och en polymer kiselsyra
SE500387C2 (sv) * 1989-11-09 1994-06-13 Eka Nobel Ab Silikasoler, förfarande för framställning av silikasoler samt användning av solerna i pappersframställning
FI88732C (fi) * 1991-12-16 1993-06-28 Ahlstroem Oy Foerfarande och anordning foer behandling av bakvatten

Also Published As

Publication number Publication date
DK0775234T3 (da) 2000-03-27
ATE184932T1 (de) 1999-10-15
SE9501769D0 (sv) 1995-05-12
EP0775234A1 (en) 1997-05-28
NZ308258A (en) 1998-02-26
CA2194680A1 (en) 1996-11-14
CA2194680C (en) 2001-07-17
AU5784396A (en) 1996-11-29
DE69604365D1 (de) 1999-10-28
EP0775234B1 (en) 1999-09-22
WO1996035838A1 (en) 1996-11-14
DE69604365T2 (de) 2000-04-06
US5788815A (en) 1998-08-04

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