CA2005087C - Method for avoiding pitch troubles - Google Patents

Method for avoiding pitch troubles

Info

Publication number
CA2005087C
CA2005087C CA002005087A CA2005087A CA2005087C CA 2005087 C CA2005087 C CA 2005087C CA 002005087 A CA002005087 A CA 002005087A CA 2005087 A CA2005087 A CA 2005087A CA 2005087 C CA2005087 C CA 2005087C
Authority
CA
Canada
Prior art keywords
paper
pitch
pulp
stock
acylglycerol lipase
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.)
Expired - Lifetime
Application number
CA002005087A
Other languages
English (en)
French (fr)
Other versions
CA2005087A1 (en
Inventor
Yuko Irie
Motoo Matsukura
Kunio Hata
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.)
Nippon Paper Industries Co Ltd
Original Assignee
Nippon Paper Industries 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 Nippon Paper Industries Co Ltd filed Critical Nippon Paper Industries Co Ltd
Publication of CA2005087A1 publication Critical patent/CA2005087A1/en
Application granted granted Critical
Publication of CA2005087C publication Critical patent/CA2005087C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Working-Up Tar And Pitch (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)
CA002005087A 1988-12-13 1989-12-11 Method for avoiding pitch troubles Expired - Lifetime CA2005087C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP314408/88 1988-12-13
JP63314408A JPH02160997A (ja) 1988-12-13 1988-12-13 ピッチトラブル防止法

Publications (2)

Publication Number Publication Date
CA2005087A1 CA2005087A1 (en) 1990-06-13
CA2005087C true CA2005087C (en) 1998-12-01

Family

ID=18052986

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002005087A Expired - Lifetime CA2005087C (en) 1988-12-13 1989-12-11 Method for avoiding pitch troubles

Country Status (10)

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

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 (fi) * 1990-04-04 1993-04-26 Enso Gutzeit Oy Foerfarande foer 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 (fi) * 1991-03-22 1995-03-10 Genencor Int Europ Menetelmä mekaanisen massan pihkavaikeuksien vähentämiseksi
DE69227508D1 (de) * 1991-04-10 1998-12-10 Novo Nordisk As Lipasekatalysierte esterhydrolyse
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
JP3149952B2 (ja) * 1991-05-01 2001-03-26 ノボ ノルディスク アクティーゼルスカブ リパーゼ触媒化エステル加水分解
US5667634A (en) * 1991-05-01 1997-09-16 Novo Nordisk A/S Method for controlling pitch deposits in papermaking process using lipase and polyelectrolyte
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
NZ504782A (en) 1998-10-13 2003-01-31 Mitsui Chemicals Inc Board comprising a lignocellulose-based material or an inorganic material and a binder composition comprising a compound having at least two isocyanate groups (or reaction product thereof), LMW polyethylene and water
AU2001254622A1 (en) 2000-04-28 2001-11-12 Novozymes A/S Laccase mutants
AU2002219020B2 (en) 2001-01-10 2007-05-24 Novozymes A/S Thermostable lipolytic enzyme variant
WO2007033091A2 (en) * 2005-09-13 2007-03-22 Johnsondiversey Inc. Processes used in the manufacture of paper products
US8657996B2 (en) * 2012-06-22 2014-02-25 Buckman Laboratories International, Inc. Methods of using combinations of a lipase and an oxidant for pitch control in paper making processes and products thereof
MX371497B (es) 2013-07-19 2020-01-31 Danisco Us Inc Composiciones y metodos que comprenden una variante de enzima lipolitica.

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
JPH0429794B2 (no) 1992-05-19
FI96520B (fi) 1996-03-29
NO894988L (no) 1990-06-14
NO894988D0 (no) 1989-12-12
AU622738B2 (en) 1992-04-16
DE58907179D1 (de) 1994-04-14
NO174433B (no) 1994-01-24
ATE102667T1 (de) 1994-03-15
CA2005087A1 (en) 1990-06-13
NZ231637A (en) 1991-06-25
EP0374700B1 (de) 1994-03-09
EP0374700A3 (de) 1991-11-21
AU4582289A (en) 1990-06-21
FI895901A0 (fi) 1989-12-11
FI96520C (fi) 1996-07-10
JPH02160997A (ja) 1990-06-20
NO174433C (no) 1994-05-04
EP0374700A2 (de) 1990-06-27
ES2052874T3 (es) 1994-07-16

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