FI893232A0 - Foerfarande foer reglering av tillsats av retentionsmedel vid pappersframstaellning. - Google Patents

Foerfarande foer reglering av tillsats av retentionsmedel vid pappersframstaellning.

Info

Publication number
FI893232A0
FI893232A0 FI893232A FI893232A FI893232A0 FI 893232 A0 FI893232 A0 FI 893232A0 FI 893232 A FI893232 A FI 893232A FI 893232 A FI893232 A FI 893232A FI 893232 A0 FI893232 A0 FI 893232A0
Authority
FI
Finland
Prior art keywords
retentionsmedel
tillsats
foerfarande foer
foer reglering
pappersframstaellning
Prior art date
Application number
FI893232A
Other languages
English (en)
Other versions
FI893232A (fi
Inventor
Ralf Hemel
Jaroslav Melzer
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of FI893232A0 publication Critical patent/FI893232A0/fi
Publication of FI893232A publication Critical patent/FI893232A/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
    • 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
    • D21H23/12—Controlling the addition by measuring properties of the formed web
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/09—Uses for paper making sludge
    • Y10S162/10—Computer control of paper making variables
    • Y10S162/11—Wet end paper making variables
FI893232A 1988-07-06 1989-07-03 Foerfarande foer reglering av tillsats av retentionsmedel vid pappersframstaellning. FI893232A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3822783A DE3822783A1 (de) 1988-07-06 1988-07-06 Verfahren zur steuerung der retentionsmittelzugabe bei der papierherstellung

Publications (2)

Publication Number Publication Date
FI893232A0 true FI893232A0 (fi) 1989-07-03
FI893232A FI893232A (fi) 1990-01-07

Family

ID=6358029

Family Applications (1)

Application Number Title Priority Date Filing Date
FI893232A FI893232A (fi) 1988-07-06 1989-07-03 Foerfarande foer reglering av tillsats av retentionsmedel vid pappersframstaellning.

Country Status (5)

Country Link
US (1) US4952280A (fi)
EP (1) EP0349860A3 (fi)
JP (1) JPH0247386A (fi)
DE (1) DE3822783A1 (fi)
FI (1) FI893232A (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4237309A1 (fi) * 1992-11-05 1993-04-08 Voith Gmbh J M
SE503386C2 (sv) * 1994-09-30 1996-06-03 Skogsind Tekn Foskningsinst Förfarande vid bestämning av mängden fyllmedel i papper
US6114171A (en) * 1997-10-20 2000-09-05 Westvaco Corporation Additive management system
FI103822B1 (fi) 1998-06-16 1999-09-30 Valmet Corp Menetelmä flokkisuuden optimoimiseksi
US6363610B1 (en) 1999-10-21 2002-04-02 Allied Signal, Inc. Gas turbine rotor bimetallic ring seal and method therefor
DE10003383A1 (de) * 2000-01-26 2001-08-02 Voith Paper Patent Gmbh Verfahren zur Bestimmung eines Kennwertes für das Bindekräfte-Potential von suspendierten Papierfasern sowie Verwendung des Verfahrens
DE10118508A1 (de) * 2001-04-12 2002-10-17 Voith Paper Patent Gmbh Verfahren und Anlage zur Herstellung einer Faserstoffbahn
FI116241B (fi) * 2002-05-06 2005-10-14 Metso Automation Oy Menetelmä ja laitteisto paperikoneen viiraosan retention määrittämiseksi

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4752356A (en) * 1985-10-18 1988-06-21 Miami University Papermaking process

Also Published As

Publication number Publication date
EP0349860A2 (de) 1990-01-10
US4952280A (en) 1990-08-28
DE3822783A1 (de) 1990-01-11
EP0349860A3 (de) 1991-05-22
FI893232A (fi) 1990-01-07
JPH0247386A (ja) 1990-02-16

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: BASF AKTIENGESELLSCHAFT