SE525872C2 - Metod att tillverka mekanisk massa med reducerad energikonsumtion - Google Patents

Metod att tillverka mekanisk massa med reducerad energikonsumtion

Info

Publication number: SE525872C2
Authority: SE; Sweden
Prior art keywords: pectinase; refining; minutes; carrier material; pulp
Prior art date: 2002-09-06

Application number

SE0202629A

Other languages

English (en)

Swedish (sv)

Other versions

SE0202629D0 (sv

SE0202629L (sv

Inventor

Frank Peng

Rita Ferritsius

Ulf Aengsaas

Original Assignee

Stora Enso Ab

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.)

2002-09-06

Filing date

2002-09-06

Publication date

2005-05-17

2002-09-06 Application filed by Stora Enso Ab filed Critical Stora Enso Ab

2002-09-06 Priority to SE0202629A priority Critical patent/SE525872C2/sv

2002-09-06 Publication of SE0202629D0 publication Critical patent/SE0202629D0/xx

2003-08-21 Priority to EP03794378A priority patent/EP1552052B1/de

2003-08-21 Priority to AU2003253540A priority patent/AU2003253540A1/en

2003-08-21 Priority to US10/526,469 priority patent/US20050241785A1/en

2003-08-21 Priority to AT03794378T priority patent/ATE374856T1/de

2003-08-21 Priority to DE60316712T priority patent/DE60316712T2/de

2003-08-21 Priority to BRPI0314017-2B1A priority patent/BR0314017B1/pt

2003-08-21 Priority to CA002497904A priority patent/CA2497904A1/en

2003-08-21 Priority to RU2005105039/12A priority patent/RU2322540C2/ru

2003-08-21 Priority to CNA038212218A priority patent/CN1681992A/zh

2003-08-21 Priority to PCT/SE2003/001296 priority patent/WO2004022842A1/en

2004-03-07 Publication of SE0202629L publication Critical patent/SE0202629L/xx

2005-05-17 Publication of SE525872C2 publication Critical patent/SE525872C2/sv

Links

238000000034 method Methods 0.000 title claims abstract description 39
229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 12
238000005265 energy consumption Methods 0.000 title description 4
108010059820 Polygalacturonase Proteins 0.000 claims abstract description 54
108010093305 exopolygalacturonase Proteins 0.000 claims abstract description 44
238000007670 refining Methods 0.000 claims abstract description 28
238000005470 impregnation Methods 0.000 claims abstract description 19
239000007788 liquid Substances 0.000 claims abstract description 15
108090000790 Enzymes Proteins 0.000 claims abstract description 12
102000004190 Enzymes Human genes 0.000 claims abstract description 12
239000002657 fibrous material Substances 0.000 claims abstract description 6
238000007906 compression Methods 0.000 claims description 16
230000006835 compression Effects 0.000 claims description 16
239000000463 material Substances 0.000 claims description 15
239000001814 pectin Substances 0.000 claims description 14
229920001277 pectin Polymers 0.000 claims description 14
235000010987 pectin Nutrition 0.000 claims description 14
239000012876 carrier material Substances 0.000 claims description 12
230000000694 effects Effects 0.000 claims description 9
230000002255 enzymatic effect Effects 0.000 claims description 9
238000002360 preparation method Methods 0.000 claims description 9
150000002978 peroxides Chemical class 0.000 claims description 8
230000002351 pectolytic effect Effects 0.000 claims description 7
150000003839 salts Chemical class 0.000 claims description 6
239000002023 wood Substances 0.000 claims description 6
239000002253 acid Substances 0.000 claims description 5
239000002738 chelating agent Substances 0.000 claims description 3
239000011121 hardwood Substances 0.000 claims description 3
239000011122 softwood Substances 0.000 claims description 3
241000609240 Ambelania acida Species 0.000 claims description 2
241000228215 Aspergillus aculeatus Species 0.000 claims description 2
240000006439 Aspergillus oryzae Species 0.000 claims description 2
235000002247 Aspergillus oryzae Nutrition 0.000 claims description 2
241000894006 Bacteria Species 0.000 claims description 2
235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
235000017491 Bambusa tulda Nutrition 0.000 claims description 2
241000233866 Fungi Species 0.000 claims description 2
235000014676 Phragmites communis Nutrition 0.000 claims description 2
244000082204 Phyllostachys viridis Species 0.000 claims description 2
235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
239000010905 bagasse Substances 0.000 claims description 2
239000011425 bamboo Substances 0.000 claims description 2
239000003124 biologic agent Substances 0.000 claims description 2
244000005700 microbiome Species 0.000 claims description 2
239000010902 straw Substances 0.000 claims description 2
239000003795 chemical substances by application Substances 0.000 claims 1
238000011282 treatment Methods 0.000 description 30
QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 description 14
230000008569 process Effects 0.000 description 12
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
230000009467 reduction Effects 0.000 description 9
239000000126 substance Substances 0.000 description 8
238000004061 bleaching Methods 0.000 description 7
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
238000002474 experimental method Methods 0.000 description 5
239000007864 aqueous solution Substances 0.000 description 4
230000003287 optical effect Effects 0.000 description 4
238000010438 heat treatment Methods 0.000 description 3
230000007062 hydrolysis Effects 0.000 description 3
238000006460 hydrolysis reaction Methods 0.000 description 3
230000006872 improvement Effects 0.000 description 3
238000002203 pretreatment Methods 0.000 description 3
238000000746 purification Methods 0.000 description 3
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
230000008901 benefit Effects 0.000 description 2
238000005219 brazing Methods 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
239000011248 coating agent Substances 0.000 description 2
238000000576 coating method Methods 0.000 description 2
230000007423 decrease Effects 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
238000004537 pulping Methods 0.000 description 2
239000011734 sodium Substances 0.000 description 2
159000000000 sodium salts Chemical class 0.000 description 2
239000000243 solution Substances 0.000 description 2
230000032258 transport Effects 0.000 description 2
230000003313 weakening effect Effects 0.000 description 2
235000007173 Abies balsamea Nutrition 0.000 description 1
239000004857 Balsam Substances 0.000 description 1
AEMOLEFTQBMNLQ-YMDCURPLSA-N D-galactopyranuronic acid Chemical compound OC1O[C@H](C(O)=O)[C@H](O)[C@H](O)[C@H]1O AEMOLEFTQBMNLQ-YMDCURPLSA-N 0.000 description 1
IAJILQKETJEXLJ-UHFFFAOYSA-N Galacturonsaeure Natural products O=CC(O)C(O)C(O)C(O)C(O)=O IAJILQKETJEXLJ-UHFFFAOYSA-N 0.000 description 1
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
244000018716 Impatiens biflora Species 0.000 description 1
241000446313 Lamella Species 0.000 description 1
208000032912 Local swelling Diseases 0.000 description 1
241000218657 Picea Species 0.000 description 1
235000008124 Picea excelsa Nutrition 0.000 description 1
240000000020 Picea glauca Species 0.000 description 1
235000008127 Picea glauca Nutrition 0.000 description 1
240000009002 Picea mariana Species 0.000 description 1
235000017997 Picea mariana var. mariana Nutrition 0.000 description 1
235000018000 Picea mariana var. semiprostrata Nutrition 0.000 description 1
241000218596 Picea rubens Species 0.000 description 1
241001486234 Sciota Species 0.000 description 1
229920002522 Wood fibre Polymers 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
239000003513 alkali Substances 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
239000000427 antigen Substances 0.000 description 1
102000036639 antigens Human genes 0.000 description 1
108091007433 antigens Proteins 0.000 description 1
238000000149 argon plasma sintering Methods 0.000 description 1
239000002585 base Substances 0.000 description 1
125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
229920002678 cellulose Polymers 0.000 description 1
239000001913 cellulose Substances 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
239000002131 composite material Substances 0.000 description 1
239000013256 coordination polymer Substances 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000006911 enzymatic reaction Methods 0.000 description 1
ZXUMUPVQYAFTLF-UHFFFAOYSA-N etryptamine Chemical group C1=CC=C2C(CC(N)CC)=CNC2=C1 ZXUMUPVQYAFTLF-UHFFFAOYSA-N 0.000 description 1
238000000855 fermentation Methods 0.000 description 1
230000004151 fermentation Effects 0.000 description 1
238000009472 formulation Methods 0.000 description 1
230000002538 fungal effect Effects 0.000 description 1
150000004676 glycans Chemical class 0.000 description 1
238000009897 hydrogen peroxide bleaching Methods 0.000 description 1
238000011534 incubation Methods 0.000 description 1
229920005610 lignin Polymers 0.000 description 1
238000011068 loading method Methods 0.000 description 1
238000002803 maceration Methods 0.000 description 1
VXYRWKSIAWIQMG-UHFFFAOYSA-K manganese(2+) N-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate triphenylstannyl acetate Chemical compound [Mn++].[S-]C(=S)NCCNC([S-])=S.CC(=O)O[Sn](c1ccccc1)(c1ccccc1)c1ccccc1 VXYRWKSIAWIQMG-UHFFFAOYSA-K 0.000 description 1
238000009996 mechanical pre-treatment Methods 0.000 description 1
239000012528 membrane Substances 0.000 description 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
239000011707 mineral Substances 0.000 description 1
239000000203 mixture Substances 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
239000008188 pellet Substances 0.000 description 1
239000010318 polygalacturonic acid Substances 0.000 description 1
229920001282 polysaccharide Polymers 0.000 description 1
239000005017 polysaccharide Substances 0.000 description 1
239000011148 porous material Substances 0.000 description 1
230000005855 radiation Effects 0.000 description 1
238000004064 recycling Methods 0.000 description 1
239000011347 resin Substances 0.000 description 1
229920005989 resin Polymers 0.000 description 1
238000007873 sieving Methods 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
229910001575 sodium mineral Inorganic materials 0.000 description 1
241000894007 species Species 0.000 description 1
239000004575 stone Substances 0.000 description 1
238000003860 storage Methods 0.000 description 1
230000008961 swelling Effects 0.000 description 1
238000005406 washing Methods 0.000 description 1
239000002025 wood fiber Substances 0.000 description 1

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
- D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
- 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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats

Landscapes

Chemical & Material Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Biochemistry (AREA)
Microbiology (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Paper (AREA)
Debarking, Splitting, And Disintegration Of Timber (AREA)
Crushing And Grinding (AREA)

SE0202629A 2002-09-06 2002-09-06 Metod att tillverka mekanisk massa med reducerad energikonsumtion SE525872C2 (sv)

Priority Applications (11)

Application Number	Priority Date	Filing Date	Title
SE0202629A SE525872C2 (sv)	2002-09-06	2002-09-06	Metod att tillverka mekanisk massa med reducerad energikonsumtion
PCT/SE2003/001296 WO2004022842A1 (en)	2002-09-06	2003-08-21	A method of producing mechanical pulp and the mechanical pulp thus produced
AT03794378T ATE374856T1 (de)	2002-09-06	2003-08-21	Verfahren zur herstellung von holzstoff und der so hergestellte holzstoff
AU2003253540A AU2003253540A1 (en)	2002-09-06	2003-08-21	A method of producing mechanical pulp and the mechanical pulp thus produced
US10/526,469 US20050241785A1 (en)	2002-09-06	2003-08-21	Method of producing mechanical pulp and the mechanical pulp thus produced
EP03794378A EP1552052B1 (de)	2002-09-06	2003-08-21	Verfahren zur herstellung von holzstoff und der so hergestellte holzstoff
DE60316712T DE60316712T2 (de)	2002-09-06	2003-08-21	Verfahren zur herstellung von holzstoff und der so hergestellte holzstoff
BRPI0314017-2B1A BR0314017B1 (pt)	2002-09-06	2003-08-21	Um método de produção de polpa mecânica e a polpa mecânica assim produzida
CA002497904A CA2497904A1 (en)	2002-09-06	2003-08-21	A method of producing mechanical pulp and the mechanical pulp thus produced
RU2005105039/12A RU2322540C2 (ru)	2002-09-06	2003-08-21	Способ производства древесной волокнистой массы и древесная волокнистая масса, полученная данным способом
CNA038212218A CN1681992A (zh)	2002-09-06	2003-08-21	机械浆的制造方法以及如此制造的机械浆

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE0202629A SE525872C2 (sv)	2002-09-06	2002-09-06	Metod att tillverka mekanisk massa med reducerad energikonsumtion

Publications (3)

Publication Number	Publication Date
SE0202629D0 SE0202629D0 (sv)	2002-09-06
SE0202629L SE0202629L (sv)	2004-03-07
SE525872C2 true SE525872C2 (sv)	2005-05-17

Family

ID=20288904

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE0202629A SE525872C2 (sv)	2002-09-06	2002-09-06	Metod att tillverka mekanisk massa med reducerad energikonsumtion

Country Status (11)

Country	Link
US (1)	US20050241785A1 (de)
EP (1)	EP1552052B1 (de)
CN (1)	CN1681992A (de)
AT (1)	ATE374856T1 (de)
AU (1)	AU2003253540A1 (de)
BR (1)	BR0314017B1 (de)
CA (1)	CA2497904A1 (de)
DE (1)	DE60316712T2 (de)
RU (1)	RU2322540C2 (de)
SE (1)	SE525872C2 (de)
WO (1)	WO2004022842A1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI20031818L (fi) *	2003-12-11	2005-06-12	Valtion Teknillinen	Menetelmä mekaanisen massan valmistamiseksi
CA2565923A1 (en)	2004-05-03	2005-11-10	Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses	Method for mechanical pulp production
US20070062654A1 (en) *	2005-09-16	2007-03-22	Enzymatic Deinking Technologies, Llc	Treatment of wood chips using enzymes
US7988824B2 (en) *	2005-12-15	2011-08-02	Kimberly-Clark Worldwide, Inc.	Tissue product having a transferable additive composition
RU2485223C2 (ru) *	2007-05-23	2013-06-20	Альберта Инновейтс - Текнолоджи Фьючерз	Способ декортикации
US8282773B2 (en) *	2007-12-14	2012-10-09	Andritz Inc.	Method and system to enhance fiber development by addition of treatment agent during mechanical pulping
FI122169B (fi) *	2010-01-29	2011-09-30	Mzymes Oy	Puuhakkeen käsittely kuumahierremassan valmistusta varten
EP2395147A1 (de)	2010-05-10	2011-12-14	Unilever Plc, A Company Registered In England And Wales under company no. 41424 of Unilever House	Nichtvorhandensein von Papierprodukten
FR2965570B1 (fr) *	2010-09-30	2012-11-02	Arjo Wiggins Fine Papers Ltd	Procede de raffinage en milieu enzymatique d'une pate papetiere comportant des fibres cellulosiques afin de reduire leur longueur
CN103270214B (zh) *	2010-12-22	2016-11-16	斯托拉恩索公司	以前馈方式控制制浆过程的方法
SE539914C2 (sv) *	2014-04-29	2018-01-09	Stora Enso Oyj	Process för framställning av åtminstone ett skikt hos ett papper eller en kartong samt ett papper eller en kartong som framställts enligt processen
WO2016145276A1 (en) *	2015-03-11	2016-09-15	Andritz Inc.	Processes and systems for the pulping of lignocellulosic materials
WO2017102542A1 (en)	2015-12-15	2017-06-22	Metgen Oy	Method for producing mechanical pulp from a biomass comprising lignocellulosic material
CN108252134A (zh) *	2018-01-24	2018-07-06	齐鲁工业大学	一种降低木材化机浆制备过程中磨浆能耗的方法
CN109338775B (zh) *	2018-09-30	2020-12-01	山东世纪阳光纸业集团有限公司	一种环保秸秆生物机械法制浆工艺
CN109695172A (zh) *	2018-12-28	2019-04-30	江苏秸宝生物质新材料有限公司	秸秆生物机械制浆方法和设备
CN109629318B (zh) *	2018-12-29	2020-12-25	齐鲁工业大学	一种麦草叶制备生物机械浆的方法
CN109577059B (zh) *	2018-12-29	2020-05-01	齐鲁工业大学	一种麦草秸秆制备生物机械本色浆的方法
CN109457532B (zh) *	2018-12-29	2021-03-02	齐鲁工业大学	一种麦草叶鞘制备生物机械浆的方法
CN109577072B (zh) *	2018-12-29	2019-12-06	齐鲁工业大学	一种麦草秸秆制备生物机械原色浆的方法
CN109680530B (zh) *	2018-12-29	2020-12-11	齐鲁工业大学	一种热蒸汽协同生物酶处理麦草制备本色生物机械浆的方法
CN109629296B (zh) *	2018-12-29	2020-12-11	齐鲁工业大学	一种热水处理协同生物酶处理的生物机械浆制备方法
CN109706771B (zh) *	2018-12-29	2020-12-22	齐鲁工业大学	一种热蒸汽协同生物酶处理麦草制备原色生物机械浆的方法
CN109577060B (zh) *	2018-12-29	2020-12-11	齐鲁工业大学	一种热水协同碱性生物酶处理麦草制备本色生物机械浆的方法
CN112853793B (zh) *	2020-12-31	2023-07-28	齐鲁工业大学	一种热蒸汽协同生物酶处理麦草制备原色生物机械浆及副产物全利用的方法
CN112726254B (zh) *	2020-12-31	2023-07-28	齐鲁工业大学	一种热水处理协同生物酶处理麦草制备本色生物机械浆及副产物全利用的方法
CN112779804B (zh) *	2020-12-31	2023-09-15	齐鲁工业大学	一种麦草秸秆制备生物机械原色浆及副产物全利用的方法
CN112779803A (zh) *	2020-12-31	2021-05-11	齐鲁工业大学	一种麦草秸秆制备生物机械本色浆及副产物全利用的方法
CN118461348B (zh) *	2024-07-11	2024-10-15	临邑县临兴木业有限公司	一种利用植物纤维原料的制浆工艺

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3948449A (en) *	1972-03-03	1976-04-06	Logan Kenneth C	Apparatus for the treatment of lignocellulosic material
SE411463B (sv) *	1973-04-16	1979-12-27	Svenska Traeforskningsinst	Forfarande for framstellning av cellulosamassa medelst mikroorganismer
US4481355A (en) *	1983-11-22	1984-11-06	Helmic, Inc.	Method for degumming decorticated plant bast fiber
FR2588886B1 (fr) *	1985-10-18	1988-06-24	Comite Eco Agric Prod Chanvre	Procede de traitement biochimique de plantes fibreuses liberiennes ou cellulosiques et assimilees
SE461796B (sv) *	1987-09-29	1990-03-26	Sunds Defibrator Ind Ab	Impregnering av lignocellulosamaterial i form av stycken av minst 100 mm laengd
FI81394C (fi) *	1988-07-22	1993-07-20	Genencor Int Europ	Foerfarande foer behandling av massa med enzymer
FI92414B (fi) *	1989-11-27	1994-07-29	Enso Gutzeit Oy	Menetelmä massan valmistamiseksi
FI90670C (sv) *	1991-05-02	1994-03-10	Metsae Serla Oy	Behandling av alkalibehandlad massa för användning i pappersframställning
SE468644B (sv) *	1991-05-24	1993-02-22	Sunds Defibrator Ind Ab	Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfit
CA2082185C (en) *	1991-11-26	2004-01-20	Alexander R. Pokora	Protease catalyzed treatments of lignocellulose materials
NZ273923A (en) *	1993-06-16	1997-06-24	Call Hans Peter	Multicomponent bleaching system for detergents comprising oxidation catalysts, oxidising agents and mediator system
DK83993D0 (de) *	1993-07-13	1993-07-13	Novo Nordisk As
FI95607C (fi) *	1994-06-03	1996-02-26	Valtion Teknillinen	Menetelmä ja entsyymivalmiste selluloosamassojen käsittelemiseksi
EP0815209B2 (de) *	1995-03-17	2015-02-25	Novozymes A/S	Neue endoglukanase
WO1997040194A1 (en) *	1996-04-25	1997-10-30	Union Camp Corporation	Improved method for biological pretreatment of wood chips
WO1998006892A1 (en) *	1996-08-16	1998-02-19	International Paper Company	Enzymatic freeness enhancement
RU2153545C1 (ru) *	1999-12-28	2000-07-27	Камский целлюлозно-бумажный комбинат	Способ получения беленой химико-термомеханической массы
SE519462C2 (sv) *	2001-06-21	2003-03-04	Holmen Ab	Förfarande för framställning av blekt termomekanisk massa (TMP) eller blekt kemitermomekanisk massa (CTMP)
CA2466505A1 (en) *	2001-11-09	2003-05-15	Biopulping International, Inc.	Microwave pre-treatment of logs for use in making paper and other wood products
CA2458273C (en) *	2002-07-19	2008-10-07	Andritz Inc.	High defiberization chip pretreatment
WO2004101889A2 (en) *	2003-05-06	2004-11-25	Novozymes North America, Inc.	Use of hemicellulase composition in mechanical pulp production

2002
- 2002-09-06 SE SE0202629A patent/SE525872C2/sv not_active IP Right Cessation
2003
- 2003-08-21 CN CNA038212218A patent/CN1681992A/zh active Pending
- 2003-08-21 WO PCT/SE2003/001296 patent/WO2004022842A1/en not_active Ceased
- 2003-08-21 CA CA002497904A patent/CA2497904A1/en not_active Abandoned
- 2003-08-21 DE DE60316712T patent/DE60316712T2/de not_active Expired - Lifetime
- 2003-08-21 AU AU2003253540A patent/AU2003253540A1/en not_active Abandoned
- 2003-08-21 EP EP03794378A patent/EP1552052B1/de not_active Expired - Lifetime
- 2003-08-21 US US10/526,469 patent/US20050241785A1/en not_active Abandoned
- 2003-08-21 RU RU2005105039/12A patent/RU2322540C2/ru not_active IP Right Cessation
- 2003-08-21 BR BRPI0314017-2B1A patent/BR0314017B1/pt not_active IP Right Cessation
- 2003-08-21 AT AT03794378T patent/ATE374856T1/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
CA2497904A1 (en)	2004-03-18
ATE374856T1 (de)	2007-10-15
DE60316712T2 (de)	2008-07-24
WO2004022842A1 (en)	2004-03-18
AU2003253540A1 (en)	2004-03-29
SE0202629D0 (sv)	2002-09-06
SE0202629L (sv)	2004-03-07
BR0314017B1 (pt)	2014-07-22
CN1681992A (zh)	2005-10-12
EP1552052B1 (de)	2007-10-03
EP1552052A1 (de)	2005-07-13
DE60316712D1 (de)	2007-11-15
RU2005105039A (ru)	2005-10-10
BR0314017A (pt)	2005-07-19
US20050241785A1 (en)	2005-11-03
RU2322540C2 (ru)	2008-04-20

Legal Events

Date	Code	Title	Description
2019-04-30	NUG	Patent has lapsed

Publication	Publication Date	Title
SE525872C2 (sv)	2005-05-17	Metod att tillverka mekanisk massa med reducerad energikonsumtion
Kirk et al.	1996	Roles for microbial enzymes in pulp and paper processing
US5068009A (en)	1991-11-26	Method of producing fluff pulp with improved defibration properties
US8945347B2 (en)	2015-02-03	Method for mechanical pulp production
US6267841B1 (en)	2001-07-31	Low energy thermomechanical pulping process using an enzyme treatment between refining zones
US20070119556A1 (en)	2007-05-31	Chemical activation and refining of southern pine kraft fibers
US9139955B2 (en)	2015-09-22	Method of processing chemical pulp
CA2643780A1 (en)	2009-06-14	A method and system to enhance fiber development by addition of treatment agent during mechanical pulping
US4211605A (en)	1980-07-08	High yield chemimechanical pulping processes
US6627041B2 (en)	2003-09-30	Method of bleaching and providing papermaking fibers with durable curl
WO1994004745A1 (en)	1994-03-03	Algal pulps and pre-puls and paper products made therefrom
FI73473C (fi)	1989-05-29	Foerfarande foer framstaellning av fibermassa.
CA2030836A1 (en)	1991-05-28	Procedure for the production of pulp
JP2009516086A (ja)	2009-04-16	新しいパルプ及びパルプ化の方法
Zhao et al.	2004	Alkaline peroxide mechanical pulping of wheat straw with enzyme treatment
Akgül et al.	2021	Effect of xylanase pretreatment on the kraft pulping of poplar
Rashmi et al.	2010	Enzymatic refining of pulps: an overview
Veisi et al.	2016	Mixing bleached white poplar and wheat straw chemimechanical pulps to improve the mechanical and optical characteristics
US3013931A (en)	1961-12-19	Printing paper and process of making the same
CA2541229C (en)	2015-05-19	Modified method for mechanical pulp production
CN101198744A (zh)	2008-06-11	由玉米秆纤维素制造机械纸浆的方法
Chen et al.	2012	Influence of xylanase pretreatment on refining energy and brightness of P-RC APMP pulp of Italian black poplar branches
Sabourin et al.	2010	Enhanced fiber quality of black spruce (Picea mariana) thermomechanical pulp fiber through selective enzyme application
JP4192594B2 (ja)	2008-12-10	高白色度機械パルプの製造方法
CA1309562C (en)	1992-11-03	Chemimechanical pulping process employing sodium carbonate and sodium sulphite