ATE357556T1 - Die papier- bzw. halbstoffherstellung begleitendes verfahren zur steuerung des chemischen zustands des halbstoff- und kreislaufwassersystems - Google Patents

Die papier- bzw. halbstoffherstellung begleitendes verfahren zur steuerung des chemischen zustands des halbstoff- und kreislaufwassersystems

Info

Publication number
ATE357556T1
ATE357556T1 AT02753105T AT02753105T ATE357556T1 AT E357556 T1 ATE357556 T1 AT E357556T1 AT 02753105 T AT02753105 T AT 02753105T AT 02753105 T AT02753105 T AT 02753105T AT E357556 T1 ATE357556 T1 AT E357556T1
Authority
AT
Austria
Prior art keywords
pulp
paper
water system
controlling
chemical state
Prior art date
Application number
AT02753105T
Other languages
German (de)
English (en)
Inventor
Sakari Laitinen-Vellonen
Original Assignee
Liqum Paper Oy
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
Priority claimed from FI20015022A external-priority patent/FI20015022A0/fi
Application filed by Liqum Paper Oy filed Critical Liqum Paper Oy
Application granted granted Critical
Publication of ATE357556T1 publication Critical patent/ATE357556T1/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0009—Paper-making control systems
    • D21G9/0018—Paper-making control systems controlling the stock preparation
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1052—Controlling the process
    • 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
    • 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
AT02753105T 2001-08-21 2002-08-21 Die papier- bzw. halbstoffherstellung begleitendes verfahren zur steuerung des chemischen zustands des halbstoff- und kreislaufwassersystems ATE357556T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20015022A FI20015022A0 (fi) 2001-08-21 2001-08-21 Menetelmä paperin- tai kartonginvalmistuksessa
FI20025023A FI20025023A (fi) 2001-08-21 2002-05-17 Menetelmä paperi- tai selluprosessissa massa- ja kiertovesijärjestelmän kemiallisen tilan hallitsemiseksi

Publications (1)

Publication Number Publication Date
ATE357556T1 true ATE357556T1 (de) 2007-04-15

Family

ID=26161249

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02753105T ATE357556T1 (de) 2001-08-21 2002-08-21 Die papier- bzw. halbstoffherstellung begleitendes verfahren zur steuerung des chemischen zustands des halbstoff- und kreislaufwassersystems

Country Status (7)

Country Link
US (1) US20040238140A1 (fr)
EP (1) EP1430178B1 (fr)
AT (1) ATE357556T1 (fr)
CA (1) CA2456538C (fr)
DE (1) DE60219046T2 (fr)
FI (1) FI20025023A (fr)
WO (1) WO2003018908A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20051096A (fi) * 2005-10-31 2007-05-01 Savcor Process Oy Menetelmä paperikoneen, kartonkikoneen tai muun vastaavan rainanmuodostuskoneen märässä päässä
FI123392B (fi) * 2008-02-22 2013-03-28 Upm Kymmene Oyj Menetelmä kalsiumkarbonaatin saostamiseksi kuiturainaprosessin yhteydessä ja kuiturainakoneen lähestymisjärjestelmä
WO2011149797A1 (fr) * 2010-05-22 2011-12-01 Eltron Research & Development Inc. Déshydratation du papier
DE102010041052A1 (de) * 2010-09-20 2012-03-22 Voith Patent Gmbh Verfahren zum Regeln der Formation einer Faserstoffbahn
DE102011083709A1 (de) * 2011-09-29 2013-04-04 Voith Patent Gmbh Betriebsverfahren für eine Stoffaufbereitung
EP3508635A4 (fr) * 2016-08-31 2020-05-20 Seiko Epson Corporation Dispositif de fabrication de feuille, et procédé de commande de dispositif de fabrication de feuille
JP7211022B2 (ja) * 2018-11-07 2023-01-24 セイコーエプソン株式会社 ウェブ製造装置およびシート製造装置
US20220026343A1 (en) * 2018-11-27 2022-01-27 Kemira Oyj Method for estimating the vapor phase corrosion load

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3876497A (en) * 1971-11-23 1975-04-08 Sterling Drug Inc Paper mill waste sludge oxidation and product recovery
DE2746179A1 (de) * 1977-10-14 1979-04-19 Bayer Ag Verfahren zur messung des ladungszustandes von suspensionen und zur steuerung der zugabe von hilfsmitteln zu suspensionen
SE442414B (sv) * 1981-09-22 1985-12-23 Holmens Bruk Ab Sett att minska eller inhibera morkfergningen av massa eller papper i bakvattensystem
EP0079726B2 (fr) * 1981-11-09 1996-10-30 The Wiggins Teape Group Limited Appareil pour déterminer une caractéristique électrique d'une dispersion fibreuse
US4752356A (en) * 1985-10-18 1988-06-21 Miami University Papermaking process
US6072309A (en) * 1996-12-13 2000-06-06 Honeywell-Measurex Corporation, Inc. Paper stock zeta potential measurement and control
US5936151A (en) * 1997-12-22 1999-08-10 International Paper Company Method and apparatus for measuring an electrical property of papermaking furnish
US6176974B1 (en) * 1997-12-22 2001-01-23 International Paper Company Method for determining electrokinetic properties of papermaking furnish
US6086716A (en) * 1998-05-11 2000-07-11 Honeywell-Measurex Corporation Wet end control for papermaking machine
FI113089B (fi) * 1999-10-06 2004-02-27 Liqum Oy Menetelmä paperinvalmistusprosessin analysoimiseksi ja sähkökemiallinen anturi nesteen analysoimiseksi
CA2404968C (fr) * 2000-04-05 2011-08-30 Liqum Oy Procede et systeme de surveillance et d'analyse de procede de fabrication de papier
US7056419B2 (en) * 2002-09-30 2006-06-06 American Air Liquide, Inc. Methods for modifying electrical properties of papermaking compositions using carbon dioxide
FI20021901A0 (fi) * 2002-10-24 2002-10-24 Liqum Oy Menetelmä prosessin valvomiseksi

Also Published As

Publication number Publication date
US20040238140A1 (en) 2004-12-02
DE60219046T2 (de) 2007-12-13
EP1430178B1 (fr) 2007-03-21
FI20025023A0 (fi) 2002-05-17
WO2003018908A1 (fr) 2003-03-06
DE60219046D1 (de) 2007-05-03
FI20025023A (fi) 2003-02-22
EP1430178A1 (fr) 2004-06-23
CA2456538C (fr) 2010-04-27
CA2456538A1 (fr) 2003-03-06

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