CA2005087A1 - Method for avoiding pitch troubles - Google Patents

Method for avoiding pitch troubles

Info

Publication number
CA2005087A1
CA2005087A1 CA2005087A CA2005087A CA2005087A1 CA 2005087 A1 CA2005087 A1 CA 2005087A1 CA 2005087 A CA2005087 A CA 2005087A CA 2005087 A CA2005087 A CA 2005087A CA 2005087 A1 CA2005087 A1 CA 2005087A1
Authority
CA
Canada
Prior art keywords
pitch troubles
avoiding
troubles
avoiding pitch
mechanical pulp
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.)
Granted
Application number
CA2005087A
Other languages
French (fr)
Other versions
CA2005087C (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
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 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)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Making Paper Articles (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Working-Up Tar And Pitch (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Materials For Medical Uses (AREA)

Abstract

The method for avoiding pitch troubles comprises the treatment with an acylglycerol lipase.
The method of the present invention overcomes the pitch troubles in a process for the production of mechanical pulp and/or mechanical pulp-containing paper.
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
JP63314408A JPH02160997A (en) 1988-12-13 1988-12-13 Method for preventing trouble by pitch
JP314408/88 1988-12-13

Publications (2)

Publication Number Publication Date
CA2005087A1 true CA2005087A1 (en) 1990-06-13
CA2005087C 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 (en)
JP (1) JPH02160997A (en)
AT (1) ATE102667T1 (en)
AU (1) AU622738B2 (en)
CA (1) CA2005087C (en)
DE (1) DE58907179D1 (en)
ES (1) ES2052874T3 (en)
FI (1) FI96520C (en)
NO (1) NO174433C (en)
NZ (1) NZ231637A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10329546B2 (en) 2013-07-19 2019-06-25 Danisco Us Inc Compositions and methods comprising a lipolytic enzyme variant

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 (en) * 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 (en) * 1990-10-17 1990-10-17 Novo Nordisk As PROCEDURE FOR ENZYMATIC PULP TREATMENT
JPH04240286A (en) * 1991-01-25 1992-08-27 Novo Nordisk As How to prevent pitch trouble using heat-resistant lipase
FI93230C (en) * 1991-03-22 1995-03-10 Genencor Int Europ Process for reducing resin difficulties in mechanical pulp
JP3103113B2 (en) * 1991-04-10 2000-10-23 ノボ ノルディスク アクティーゼルスカブ 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
JP3149952B2 (en) * 1991-05-01 2001-03-26 ノボ ノルディスク アクティーゼルスカブ 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 (en) * 1994-11-21 1996-12-20 Elf Aquitaine PROCESS FOR THE ENZYMATIC PRETREATMENT OF WELLBORE
WO2000022021A1 (en) 1998-10-13 2000-04-20 Mitsui Chemicals, Incorporated Binder composition and process for manufacturing board by using the binder composition
US20020192792A1 (en) 2000-04-28 2002-12-19 Palle Schneider Laccase mutants
EP1352057B1 (en) 2001-01-10 2009-03-25 Novozymes A/S Lipolytic enzyme variant
US20090032206A1 (en) * 2005-09-13 2009-02-05 Gregory David B Processes used in the manufacture of paper products
CN104662225B (en) * 2012-06-22 2017-07-28 巴克曼实验室国际公司 Method for controlling pitch in a papermaking process using a combination of lipase and oxidizing agent and articles thereof
JP2025015262A (en) 2023-07-20 2025-01-30 栗田工業株式会社 Macro-sticky treatment agent

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 (en) * 1988-07-29 1997-12-17 サンノプコ株式会社 Pitch adhesion prevention agent for papermaking

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10329546B2 (en) 2013-07-19 2019-06-25 Danisco Us Inc Compositions and methods comprising a lipolytic enzyme variant
US10870839B2 (en) 2013-07-19 2020-12-22 Danisco Us Inc Compositions and methods comprising a lipolytic enzyme variant

Also Published As

Publication number Publication date
JPH02160997A (en) 1990-06-20
NZ231637A (en) 1991-06-25
JPH0429794B2 (en) 1992-05-19
ATE102667T1 (en) 1994-03-15
CA2005087C (en) 1998-12-01
ES2052874T3 (en) 1994-07-16
DE58907179D1 (en) 1994-04-14
NO174433C (en) 1994-05-04
NO174433B (en) 1994-01-24
NO894988D0 (en) 1989-12-12
FI96520C (en) 1996-07-10
AU622738B2 (en) 1992-04-16
EP0374700A2 (en) 1990-06-27
FI96520B (en) 1996-03-29
EP0374700B1 (en) 1994-03-09
NO894988L (en) 1990-06-14
EP0374700A3 (en) 1991-11-21
AU4582289A (en) 1990-06-21
FI895901A0 (en) 1989-12-11

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry