NO174433C - Process for avoiding resin problems in the production of mechanical pulp and / or in the production of paper containing such pulp - Google Patents
Process for avoiding resin problems in the production of mechanical pulp and / or in the production of paper containing such pulpInfo
- Publication number
- NO174433C NO174433C NO894988A NO894988A NO174433C NO 174433 C NO174433 C NO 174433C NO 894988 A NO894988 A NO 894988A NO 894988 A NO894988 A NO 894988A NO 174433 C NO174433 C NO 174433C
- Authority
- NO
- Norway
- Prior art keywords
- production
- pulp
- paper containing
- mechanical pulp
- mechanical
- Prior art date
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)
Abstract
A process for preparing mechanical pulp and/or paper containing the mechanical pulp is described, wherein an acylglycerol lipase is used. The process according to the invention avoids the problems caused by the resins in the preparation of mechanical pulp and/or paper containing said pulp.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63314408A JPH02160997A (en) | 1988-12-13 | 1988-12-13 | Method for preventing trouble by pitch |
Publications (4)
Publication Number | Publication Date |
---|---|
NO894988D0 NO894988D0 (en) | 1989-12-12 |
NO894988L NO894988L (en) | 1990-06-14 |
NO174433B NO174433B (en) | 1994-01-24 |
NO174433C true NO174433C (en) | 1994-05-04 |
Family
ID=18052986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO894988A NO174433C (en) | 1988-12-13 | 1989-12-12 | Process for avoiding resin problems in the production of mechanical pulp and / or in the production of paper containing such pulp |
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) |
Families Citing this family (19)
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 | Method for preventing pitch trouble caused by heat resisting lipase |
FI93230C (en) * | 1991-03-22 | 1995-03-10 | Genencor Int Europ | Method for reducing resin difficulties in mechanical pulp |
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 (en) * | 1994-11-21 | 1996-12-20 | Elf Aquitaine | PROCESS FOR THE ENZYMATIC PRETREATMENT OF WELLBORE |
EP1038898A4 (en) | 1998-10-13 | 2002-01-09 | Mitsui Chemicals Inc | Binder composition and process for manufacturing board by using the binder composition |
US7226770B2 (en) | 2000-04-28 | 2007-06-05 | Novozymes A/S | Lipolytic enzyme variant |
DE60231700D1 (en) | 2001-01-10 | 2009-05-07 | Novozymes As | VARIANT OF A LIPOLYTIC ENZYME |
EP1924744A2 (en) * | 2005-09-13 | 2008-05-28 | JohnsonDiversey Inc. | Processes used in the manufacture of paper products |
PT2864541T (en) * | 2012-06-22 | 2017-07-24 | Buckman Laboratories Int Inc | Methods of using combinations of a lipase and an oxidant for pitch control in paper making processes and products thereof |
ES2956266T3 (en) | 2013-07-19 | 2023-12-18 | Danisco Us Inc | Compositions and methods comprising a lipolytic enzyme variant |
Family Cites Families (3)
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 |
-
1988
- 1988-12-13 JP JP63314408A patent/JPH02160997A/en active Granted
-
1989
- 1989-12-01 AU AU45822/89A patent/AU622738B2/en not_active Expired
- 1989-12-05 NZ NZ231637A patent/NZ231637A/en unknown
- 1989-12-11 FI FI895901A patent/FI96520C/en active IP Right Grant
- 1989-12-11 CA CA002005087A patent/CA2005087C/en not_active Expired - Lifetime
- 1989-12-12 EP EP89122946A patent/EP0374700B1/en not_active Expired - Lifetime
- 1989-12-12 AT AT89122946T patent/ATE102667T1/en not_active IP Right Cessation
- 1989-12-12 DE DE89122946T patent/DE58907179D1/en not_active Expired - Lifetime
- 1989-12-12 ES ES89122946T patent/ES2052874T3/en not_active Expired - Lifetime
- 1989-12-12 NO NO894988A patent/NO174433C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI895901A0 (en) | 1989-12-11 |
AU4582289A (en) | 1990-06-21 |
ES2052874T3 (en) | 1994-07-16 |
FI96520C (en) | 1996-07-10 |
CA2005087C (en) | 1998-12-01 |
EP0374700A2 (en) | 1990-06-27 |
DE58907179D1 (en) | 1994-04-14 |
ATE102667T1 (en) | 1994-03-15 |
NZ231637A (en) | 1991-06-25 |
CA2005087A1 (en) | 1990-06-13 |
NO894988D0 (en) | 1989-12-12 |
NO174433B (en) | 1994-01-24 |
EP0374700A3 (en) | 1991-11-21 |
JPH0429794B2 (en) | 1992-05-19 |
EP0374700B1 (en) | 1994-03-09 |
AU622738B2 (en) | 1992-04-16 |
NO894988L (en) | 1990-06-14 |
JPH02160997A (en) | 1990-06-20 |
FI96520B (en) | 1996-03-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK1K | Patent expired |