FI96520B - Förfarande för förhindrande av hartssvårigheter - Google Patents

Förfarande för förhindrande av hartssvårigheter Download PDF

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Publication number
FI96520B
FI96520B FI895901A FI895901A FI96520B FI 96520 B FI96520 B FI 96520B FI 895901 A FI895901 A FI 895901A FI 895901 A FI895901 A FI 895901A FI 96520 B FI96520 B FI 96520B
Authority
FI
Finland
Prior art keywords
resin
pulp
paper
lipase
ppm
Prior art date
Application number
FI895901A
Other languages
English (en)
Finnish (fi)
Other versions
FI895901A0 (sv
FI96520C (sv
Inventor
Yuko Irie
Tomoo Matsukura
Kunio Hata
Original Assignee
Jujo Paper Co Ltd
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 Jujo Paper Co Ltd filed Critical Jujo Paper Co Ltd
Publication of FI895901A0 publication Critical patent/FI895901A0/sv
Application granted granted Critical
Publication of FI96520B publication Critical patent/FI96520B/sv
Publication of FI96520C publication Critical patent/FI96520C/sv

Links

Classifications

    • 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
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • 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
    • D21H21/02—Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
  • Working-Up Tar And Pitch (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Making Paper Articles (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Materials For Medical Uses (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)

Claims (6)

1. Förfarande för undvikande av hartsbesvärligheter i ett förfarande för framställning av mekanisk massa och/- 5 eller papper som innehäller mekanisk massa, känne-t e c k n a t av, att pappersmäld och/eller returvatteni behandlas genom tillsättning av acylglyserollipas.
2. Förfarande enligt patentkrav 1, känne- t e c k n a t av, att det nämda acylglyserollipaset är ett 10 lipas, som är bildat av en mikro-organism vald bland Aspergillus niger, Pseudomonas fluorescens. Pseudomonas fragi, Geotrichum candidum och Candida cylindracea.
3. Förfarande enligt patentkrav 1, känne-tecknat av, att det nämda acylglyserollipaset till- 15 sätts i pappersmälden 0,1 - 10 000 ppm, beräknat pä vikten av den mekaniska massan.
4. Förfarande enligt patentkrav 1, känne-tecknat av, att temperaturen av den nämda pappersmälden och/eller av returvattnet är mellan 10 - 70 °C. 20
5. Förfarande enligt patentkrav 1, känne- tecknatav, att temperaturen av den nämda pappersmälden och/eller av returvattnet är mellan 35 - 55 °C.
6. Förfarande enligt patentkrav 1, känne-tecknat av, att pH-värdet av den nämda pappersmälden 25 och/eller av returvattnet är mellan 3 - 11. il IIH III» I I lii i
FI895901A 1988-12-13 1989-12-11 Förfarande för förhindrande av hartssvårigheter FI96520C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63314408A JPH02160997A (ja) 1988-12-13 1988-12-13 ピッチトラブル防止法
JP31440888 1988-12-13

Publications (3)

Publication Number Publication Date
FI895901A0 FI895901A0 (sv) 1989-12-11
FI96520B true FI96520B (sv) 1996-03-29
FI96520C FI96520C (sv) 1996-07-10

Family

ID=18052986

Family Applications (1)

Application Number Title Priority Date Filing Date
FI895901A FI96520C (sv) 1988-12-13 1989-12-11 Förfarande för förhindrande av hartssvårigheter

Country Status (10)

Country Link
EP (1) EP0374700B1 (sv)
JP (1) JPH02160997A (sv)
AT (1) ATE102667T1 (sv)
AU (1) AU622738B2 (sv)
CA (1) CA2005087C (sv)
DE (1) DE58907179D1 (sv)
ES (1) ES2052874T3 (sv)
FI (1) FI96520C (sv)
NO (1) NO174433C (sv)
NZ (1) NZ231637A (sv)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA904441B (en) * 1989-06-22 1991-03-27 Int Paper Co Enzymatic delignification of lignocellulosic material
NZ235983A (en) * 1989-11-08 1993-01-27 Novo Nordisk As Process for hydrolysis of resins in lignocellulosic pulp using enzymes simultaneously with peroxy bleaching; ctmp fluff-pulp and absorbent articles produced therefrom
FI88315C (sv) * 1990-04-04 1993-04-26 Enso Gutzeit Oy Förfarande för blekning av cellulosamassa
GB9018426D0 (en) * 1990-08-22 1990-10-03 Sandoz Ltd Improvements in or relating to novel compounds
DK249990D0 (da) * 1990-10-17 1990-10-17 Novo Nordisk As Fremgangsmaade til enzymatisk pulpbehandling
JPH04240286A (ja) * 1991-01-25 1992-08-27 Novo Nordisk As 耐熱性リパーゼによるピッチトラブル防止法
FI93230C (sv) * 1991-03-22 1995-03-10 Genencor Int Europ Förfarande för minskande av hartssvårigheter hos mekanisk massa
EP0579708B1 (en) * 1991-04-10 1998-11-04 Novo Nordisk A/S Lipase-catalyzed ester hydrolysis
US5616215A (en) * 1991-04-19 1997-04-01 Novo Nordisk A/S Method of making paper from pulp treated with lipase and an aluminum salt
US5667634A (en) * 1991-05-01 1997-09-16 Novo Nordisk A/S Method for controlling pitch deposits in papermaking process using lipase and polyelectrolyte
EP0583319B1 (en) * 1991-05-01 1995-07-12 Novo Nordisk A/S Lipase-catalyzed ester hydrolysis
US5256252A (en) * 1992-07-15 1993-10-26 Nalco Chemical Company Method for controlling pitch deposits using lipase and cationic polymer
FR2727130B1 (fr) * 1994-11-21 1996-12-20 Elf Aquitaine Procede de pretraitement enzymatique des deblais de forage
EP1038898A4 (en) 1998-10-13 2002-01-09 Mitsui Chemicals Inc BINDING COMPOSITION AND METHOD FOR PRODUCING PANELS BY USE OF THIS BINDING COMPOSITION
US7226770B2 (en) 2000-04-28 2007-06-05 Novozymes A/S Lipolytic enzyme variant
DE60231700D1 (de) 2001-01-10 2009-05-07 Novozymes As Variante eines lipolytischen enzyms
EP1924744A2 (en) * 2005-09-13 2008-05-28 JohnsonDiversey Inc. Processes used in the manufacture of paper products
PT2864541T (pt) * 2012-06-22 2017-07-24 Buckman Laboratories Int Inc Métodos de utilização de combinações de uma lipase e de um oxidante para controlo de pez em processos de fabrico de papel e seus produtos
ES2956266T3 (es) 2013-07-19 2023-12-18 Danisco Us Inc Composiciones y procedimientos que comprenden una variante de enzima lipolítica

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA758488A (en) * 1967-05-09 C. Jenness Lyle Process for treating paper pulp
GB1189604A (en) * 1965-07-20 1970-04-29 Mo Och Domsjoe Ab A process for Removing Resin Constituents from Wood Chips
JP2691735B2 (ja) * 1988-07-29 1997-12-17 サンノプコ株式会社 製紙用ピッチ付着防止剤

Also Published As

Publication number Publication date
FI895901A0 (sv) 1989-12-11
AU4582289A (en) 1990-06-21
ES2052874T3 (es) 1994-07-16
FI96520C (sv) 1996-07-10
CA2005087C (en) 1998-12-01
EP0374700A2 (de) 1990-06-27
DE58907179D1 (de) 1994-04-14
ATE102667T1 (de) 1994-03-15
NZ231637A (en) 1991-06-25
NO174433C (no) 1994-05-04
CA2005087A1 (en) 1990-06-13
NO894988D0 (no) 1989-12-12
NO174433B (no) 1994-01-24
EP0374700A3 (de) 1991-11-21
JPH0429794B2 (sv) 1992-05-19
EP0374700B1 (de) 1994-03-09
AU622738B2 (en) 1992-04-16
NO894988L (no) 1990-06-14
JPH02160997A (ja) 1990-06-20

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Legal Events

Date Code Title Description
HC Name/ company changed in application

Owner name: NIPPON PAPER INDUSTRIES CO., LTD

BB Publication of examined application
FG Patent granted

Owner name: NIPPON PAPER INDUSTRIES CO., LTD.