FI20085797A0 - Menetelmä puskuriliuoksen valmistamiseksi paperinvalmistusprosessissa - Google Patents

Menetelmä puskuriliuoksen valmistamiseksi paperinvalmistusprosessissa

Info

Publication number
FI20085797A0
FI20085797A0 FI20085797A FI20085797A FI20085797A0 FI 20085797 A0 FI20085797 A0 FI 20085797A0 FI 20085797 A FI20085797 A FI 20085797A FI 20085797 A FI20085797 A FI 20085797A FI 20085797 A0 FI20085797 A0 FI 20085797A0
Authority
FI
Finland
Prior art keywords
preparing
buffer solution
papermaking
papermaking process
buffer
Prior art date
Application number
FI20085797A
Other languages
English (en)
Swedish (sv)
Other versions
FI20085797L (fi
Inventor
Anders Faelldin
Leif Emaas
Original Assignee
Linde Ag
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 Linde Ag filed Critical Linde Ag
Priority to FI20085797A priority Critical patent/FI20085797L/fi
Publication of FI20085797A0 publication Critical patent/FI20085797A0/fi
Priority to PCT/EP2009/061001 priority patent/WO2010023224A1/en
Priority to EP09782218A priority patent/EP2329078B1/en
Publication of FI20085797L publication Critical patent/FI20085797L/fi

Links

Classifications

    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/64—Alkaline compounds
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/65—Acid compounds
    • 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
    • D21H21/14—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 function or properties in or on the paper
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06—Controlling the addition
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06—Controlling the addition
    • D21H23/08—Controlling the addition by measuring pulp properties, e.g. zeta potential, pH
    • D21H23/10—Controlling the addition by measuring pulp properties, e.g. zeta potential, pH at least two kinds of compounds being added
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/78—Controlling or regulating not limited to any particular process or apparatus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
FI20085797A 2008-08-27 2008-08-27 Menetelmä puskuriliuoksen valmistamiseksi paperinvalmistusprosessissa FI20085797L (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20085797A FI20085797L (fi) 2008-08-27 2008-08-27 Menetelmä puskuriliuoksen valmistamiseksi paperinvalmistusprosessissa
PCT/EP2009/061001 WO2010023224A1 (en) 2008-08-27 2009-08-26 Process for preparing a buffer solution in a papermaking process
EP09782218A EP2329078B1 (en) 2008-08-27 2009-08-26 Process for preparing a buffer solution in a papermaking process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20085797A FI20085797L (fi) 2008-08-27 2008-08-27 Menetelmä puskuriliuoksen valmistamiseksi paperinvalmistusprosessissa

Publications (2)

Publication Number Publication Date
FI20085797A0 true FI20085797A0 (fi) 2008-08-27
FI20085797L FI20085797L (fi) 2010-02-28

Family

ID=39735665

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20085797A FI20085797L (fi) 2008-08-27 2008-08-27 Menetelmä puskuriliuoksen valmistamiseksi paperinvalmistusprosessissa

Country Status (3)

Country Link
EP (1) EP2329078B1 (fi)
FI (1) FI20085797L (fi)
WO (1) WO2010023224A1 (fi)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1175188A (en) * 1987-02-27 1988-09-01 Boc Group, Inc., The Use of gaseous carbon dioxide to adjust ph of cellulosic pulp
FI102911B (fi) * 1997-06-13 1999-03-15 Aga Ab Menetelmä massasuspension pH:n stabiloimiseksi ja paperin tuottamiseks i stabiloidusta massasta
FI103520B1 (fi) * 1998-03-03 1999-07-15 Aga Ab Parannetut paperinvalmistusmenetelmät
FI111177B (fi) * 2001-12-12 2003-06-13 Linde Ag Laite ja menetelmä teollisuusprosessin alkaliteetin ja pH-arvon ohjaamiseksi
FI20065727A0 (fi) * 2006-11-15 2006-11-15 Linde Ag Menetelmä kerrostuman muodostumisen vähentämiseksi sellu- ja paperiteollisuudessa

Also Published As

Publication number Publication date
EP2329078A1 (en) 2011-06-08
FI20085797L (fi) 2010-02-28
WO2010023224A1 (en) 2010-03-04
EP2329078B1 (en) 2013-01-23

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Legal Events

Date Code Title Description
MM Patent lapsed