CA2007774A1 - Method for delivering pulp onto the wire of a paper machine - Google Patents

Method for delivering pulp onto the wire of a paper machine

Info

Publication number
CA2007774A1
CA2007774A1 CA 2007774 CA2007774A CA2007774A1 CA 2007774 A1 CA2007774 A1 CA 2007774A1 CA 2007774 CA2007774 CA 2007774 CA 2007774 A CA2007774 A CA 2007774A CA 2007774 A1 CA2007774 A1 CA 2007774A1
Authority
CA
Canada
Prior art keywords
white water
pulp
wire
enzyme
paper machine
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.)
Abandoned
Application number
CA 2007774
Other languages
English (en)
French (fr)
Inventor
Aino Kunnas
Marja Vaheri
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.)
Stora Enso Oyj
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2007774A1 publication Critical patent/CA2007774A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/005—Microorganisms or enzymes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Biochemistry (AREA)
  • Paper (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
CA 2007774 1989-01-16 1990-01-15 Method for delivering pulp onto the wire of a paper machine Abandoned CA2007774A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI890214A FI85041C (fi) 1989-01-16 1989-01-16 Foerfarande foer att bringa pappersmassa pao en pappersmaskins vira.
FI890214 1989-01-16

Publications (1)

Publication Number Publication Date
CA2007774A1 true CA2007774A1 (en) 1990-07-16

Family

ID=8527730

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2007774 Abandoned CA2007774A1 (en) 1989-01-16 1990-01-15 Method for delivering pulp onto the wire of a paper machine

Country Status (6)

Country Link
JP (1) JPH02229291A (fi)
CA (1) CA2007774A1 (fi)
DE (1) DE4000558A1 (fi)
FI (1) FI85041C (fi)
FR (1) FR2641803B1 (fi)
SE (1) SE9000138L (fi)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6939437B1 (en) 1999-11-19 2005-09-06 Buckman Laboratories International, Inc. Paper making processes using enzyme and polymer combinations
US7306702B2 (en) 2002-07-12 2007-12-11 Hercules Incorporation Enzymatic press felt treatment

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2660674B1 (fr) * 1990-04-06 1992-06-12 Du Pin Cellulose Procede de traitement d'eaux recyclees destinees a diluer une pate papetiere.
FI93230C (fi) * 1991-03-22 1995-03-10 Genencor Int Europ Menetelmä mekaanisen massan pihkavaikeuksien vähentämiseksi
FI90670C (fi) * 1991-05-02 1994-03-10 Metsae Serla Oy Paperinvalmistukseen käytettävän alkalikäsitellyn massan käsittely
US5935836A (en) * 1994-07-29 1999-08-10 Rohm Enzyme Finland Oy Actinomadura xylanase sequences and methods of use
US6300114B1 (en) 1994-07-29 2001-10-09 Rohm Enzyme Finland Oy Sequences of xylanase and xylanase expression vectors
US7816129B2 (en) 1994-07-29 2010-10-19 Ab Enzymes Gmbh Production and secretion of proteins of bacterial origin in filamentous fungi
US5871730A (en) * 1994-07-29 1999-02-16 Universite De Sherbrooke Thermostable xylanase DNA, protein and methods of use
FI954377A (fi) * 1995-09-18 1997-03-19 Ciba Geigy Ag Menetelmä paperikoneessa
KR100288119B1 (ko) * 1998-06-27 2001-05-02 김충섭 부상부유 및 효소처리를 이용한 골판지 고지의 재생방법
DE19830600A1 (de) * 1998-07-09 2000-01-13 Voith Sulzer Papiertech Patent Misch- und Rezirkulationskreislauf
FI105833B (fi) * 1998-07-13 2000-10-13 Valtion Teknillinen Menetelmä prosessivesien LK-aineiden konsentroimiseksi
DE10122331B4 (de) * 2001-05-08 2005-07-21 Alpha Calcit Füllstoff Gesellschaft Mbh Verfahren zur Wiederverwertung von Spuckstoff sowie dessen Verwendung
WO2006061018A1 (en) * 2004-12-06 2006-06-15 Novozymes A/S Use of carbohydrate oxidase for sediment control
JP5653159B2 (ja) * 2010-10-13 2015-01-14 デュプロ精工株式会社 古紙再生処理装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2604198B1 (fr) * 1986-09-22 1989-07-07 Du Pin Cellulose Procede de traitement d'une pate papetiere par une solution enzymatique.
FR2629108A1 (fr) * 1988-03-22 1989-09-29 Du Pin Cellulose Procede de fabrication de papiers ou cartons a partir de fibres recyclees, traitees avec des enzymes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6939437B1 (en) 1999-11-19 2005-09-06 Buckman Laboratories International, Inc. Paper making processes using enzyme and polymer combinations
US7306702B2 (en) 2002-07-12 2007-12-11 Hercules Incorporation Enzymatic press felt treatment

Also Published As

Publication number Publication date
FI85041B (fi) 1991-11-15
FI890214A0 (fi) 1989-01-16
DE4000558A1 (de) 1990-07-19
FR2641803B1 (fr) 1993-02-05
FR2641803A1 (fr) 1990-07-20
FI890214A (fi) 1990-07-17
FI85041C (fi) 1992-02-25
JPH02229291A (ja) 1990-09-12
SE9000138D0 (sv) 1990-01-15
SE9000138L (sv) 1990-07-17

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Legal Events

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