SE9900757L - Ökning av en massas freeness - Google Patents

Ökning av en massas freeness

Info

Publication number
SE9900757L
SE9900757L SE9900757A SE9900757A SE9900757L SE 9900757 L SE9900757 L SE 9900757L SE 9900757 A SE9900757 A SE 9900757A SE 9900757 A SE9900757 A SE 9900757A SE 9900757 L SE9900757 L SE 9900757L
Authority
SE
Sweden
Prior art keywords
freeness
mass
increasing
pulp
tonne
Prior art date
Application number
SE9900757A
Other languages
Unknown language ( )
English (en)
Other versions
SE9900757D0 (sv
Inventor
Jawed M Sarkar
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of SE9900757D0 publication Critical patent/SE9900757D0/sv
Publication of SE9900757L publication Critical patent/SE9900757L/sv

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005Treatment of cellulose-containing material with microorganisms or enzymes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001Modification of pulp properties
    • D21C9/002Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
SE9900757A 1998-03-11 1999-03-03 Ökning av en massas freeness SE9900757L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3854098A 1998-03-11 1998-03-11

Publications (2)

Publication Number Publication Date
SE9900757D0 SE9900757D0 (sv) 1999-03-03
SE9900757L true SE9900757L (sv) 1999-09-12

Family

ID=21900536

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9900757A SE9900757L (sv) 1998-03-11 1999-03-03 Ökning av en massas freeness

Country Status (4)

Country Link
ES (1) ES2155015B1 (sv)
FI (1) FI990444A (sv)
FR (1) FR2775990A1 (sv)
SE (1) SE9900757L (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4528478B2 (ja) * 1999-11-19 2010-08-18 バックマン・ラボラトリーズ・インターナショナル・インコーポレーテッド 酵素とポリマーを組み合わせて使用する製紙プロセス
US6939437B1 (en) 1999-11-19 2005-09-06 Buckman Laboratories International, Inc. Paper making processes using enzyme and polymer combinations
FI115232B (sv) 2002-11-19 2005-03-31 Metso Paper Inc Tätningsanordning mot rörlig väv

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK80390D0 (sv) * 1990-03-29 1990-03-29 Novo Nordisk As
US5620565A (en) * 1994-06-29 1997-04-15 Kimberly-Clark Corporation Production of soft paper products from high and low coarseness fibers
US5501770A (en) * 1994-08-12 1996-03-26 Nalco Chemical Company Enzymes in combination with polyelectrolytes for enhancing the freeness of clarified sludge in papermaking

Also Published As

Publication number Publication date
FI990444A (sv) 1999-09-12
FR2775990A1 (fr) 1999-09-17
ES2155015A1 (es) 2001-04-16
ES2155015B1 (es) 2001-12-01
FI990444A0 (sv) 1999-03-02
SE9900757D0 (sv) 1999-03-03

Similar Documents

Publication Publication Date Title
FI874113A0 (fi) Foerfarande foer behandling av pappersmassa med entzymloesning.
NZ332345A (en) Thermostable xylanases isolated from Microtetraspora
BR9713380A (pt) Produção de papel macio de fibras de celulose esmagada
NO904266D0 (no) Fremgangsmaate for behandling av en papirmasse med et enzymatisk preparat.
BR9505502A (pt) Processo para deslignificação e branqueamento de polpa de organossolvente e polpa de organossolvente
BR0214376A (pt) lodo de fabricação de papel tratado com enzimas , composição de lodo de fabricação de papel tratado com enzimas , seu uso e produto obtido
SE9900757D0 (sv) Ökning av en massas freeness
NZ216726A (en) Use of lignin-degrading enzymes from phanerochaete chrysosporium for treatment of wood pulp and e1 effluent
DK0670926T3 (da) Fremgangsmåde til fremstilling af papir
ES2165551T3 (es) Bacillus sp. ac13 alcalofilo y xilanasa obtenida a partir de dicha especie.
EP0770157A4 (en) IMPROVED BLEACHING OF A VERY CONCENTRATED LIGNOCELLULOSIC PASTE
FI942424A (sv) Förbättrat förfarande för blekning av pappersmassa
FI972954A (sv) F"rfarande f"r behandling av avlut vid framställning av sulfatsellulosa
CA2282238A1 (en) Pulping process
ZA991036B (en) Pulping process.
FI104339B1 (sv) Förbättrat förfarande för framställning av papper
KR950006140A (ko) 비 목질계 식물 섬유로부터 제지용 펄프의 제조방법
HK1041612A1 (zh) 用於生產纖維素紙漿的纖維狀材料半碱性蒸汽爆裂法處理
ZA991898B (en) Process for the bleaching of paper pulp.
BR0011528A (pt) Isolamento e atividades de despolimerases de lignina
ZA972337B (en) Bleaching of pulp.
ZA978715B (en) Process for the delignification and bleaching of chemical pulp

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 9900757-7