CA2007774A1 - Method for delivering pulp onto the wire of a paper machine - Google Patents
Method for delivering pulp onto the wire of a paper machineInfo
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 108090000790 Enzymes Proteins 0.000 claims abstract description 42
- 102000004190 Enzymes Human genes 0.000 claims abstract description 42
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 239000000725 suspension Substances 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 12
- 239000000470 constituent Substances 0.000 claims abstract description 8
- 229920002488 Hemicellulose Polymers 0.000 claims abstract description 7
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 3
- 229940088598 enzyme Drugs 0.000 claims description 40
- 239000000203 mixture Substances 0.000 claims description 4
- 108010059892 Cellulase Proteins 0.000 claims description 3
- 229940106157 cellulase Drugs 0.000 claims description 3
- 229940059442 hemicellulase Drugs 0.000 claims description 3
- 108010002430 hemicellulase Proteins 0.000 claims description 3
- 239000005416 organic matter Substances 0.000 claims description 3
- 108090000371 Esterases Proteins 0.000 claims 2
- 108010059820 Polygalacturonase Proteins 0.000 claims 2
- 108010093305 exopolygalacturonase Proteins 0.000 claims 2
- 230000014759 maintenance of location Effects 0.000 abstract description 11
- 230000002939 deleterious effect Effects 0.000 abstract description 3
- 238000004537 pulping Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 150000001450 anions Chemical class 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 235000014633 carbohydrates Nutrition 0.000 description 2
- 238000006911 enzymatic reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 102100031260 Acyl-coenzyme A thioesterase THEM4 Human genes 0.000 description 1
- 101000638510 Homo sapiens Acyl-coenzyme A thioesterase THEM4 Proteins 0.000 description 1
- 241000606337 Penion Species 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- AEMOLEFTQBMNLQ-BKBMJHBISA-N alpha-D-galacturonic acid Chemical compound O[C@H]1O[C@H](C(O)=O)[C@H](O)[C@H](O)[C@H]1O AEMOLEFTQBMNLQ-BKBMJHBISA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000012223 aqueous fraction Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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)
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)
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)
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)
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 |
-
1989
- 1989-01-16 FI FI890214A patent/FI85041C/fi active IP Right Grant
-
1990
- 1990-01-10 DE DE19904000558 patent/DE4000558A1/de not_active Withdrawn
- 1990-01-12 FR FR9000355A patent/FR2641803B1/fr not_active Expired - Fee Related
- 1990-01-15 CA CA 2007774 patent/CA2007774A1/en not_active Abandoned
- 1990-01-15 SE SE9000138A patent/SE9000138L/ not_active Application Discontinuation
- 1990-01-16 JP JP466190A patent/JPH02229291A/ja active Pending
Cited By (2)
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
Date | Code | Title | Description |
---|---|---|---|
FZDE | Dead |