SE9603518L - Förfarande för framställning av kemisk massa av sönderdelat cellulosahaltigt material - Google Patents

Förfarande för framställning av kemisk massa av sönderdelat cellulosahaltigt material

Info

Publication number
SE9603518L
SE9603518L SE9603518A SE9603518A SE9603518L SE 9603518 L SE9603518 L SE 9603518L SE 9603518 A SE9603518 A SE 9603518A SE 9603518 A SE9603518 A SE 9603518A SE 9603518 L SE9603518 L SE 9603518L
Authority
SE
Sweden
Prior art keywords
producing
pulp
cooking
raw materials
chemical pulp
Prior art date
Application number
SE9603518A
Other languages
Unknown language ( )
English (en)
Other versions
SE510775C2 (sv
SE9603518D0 (sv
Inventor
Soeren Gustavsson
Christer Fahlgren
Johansson Ewa Westlund
Bo Boder
Original Assignee
Kvaerner Pulping Tech
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 Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Priority to SE9603518A priority Critical patent/SE510775C2/sv
Publication of SE9603518D0 publication Critical patent/SE9603518D0/sv
Priority to EP97943269A priority patent/EP0928349B1/en
Priority to DE69722226T priority patent/DE69722226D1/de
Priority to AT97943269T priority patent/ATE241033T1/de
Priority to PCT/SE1997/001610 priority patent/WO1998013547A1/en
Publication of SE9603518L publication Critical patent/SE9603518L/sv
Publication of SE510775C2 publication Critical patent/SE510775C2/sv

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes
    • 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
SE9603518A 1996-09-26 1996-09-26 Svavelfri kokning av kemisk massa SE510775C2 (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9603518A SE510775C2 (sv) 1996-09-26 1996-09-26 Svavelfri kokning av kemisk massa
EP97943269A EP0928349B1 (en) 1996-09-26 1997-09-25 Sulphur-free process for producing chemical pulp
DE69722226T DE69722226D1 (de) 1996-09-26 1997-09-25 Schwefelfreies verfahren zur herstellung eines chemischen zellstoffs
AT97943269T ATE241033T1 (de) 1996-09-26 1997-09-25 Schwefelfreies verfahren zur herstellung eines chemischen zellstoffs
PCT/SE1997/001610 WO1998013547A1 (en) 1996-09-26 1997-09-25 Cooking of chemical pulp in sulphur-free liquor containing a delignification-accelerating compound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9603518A SE510775C2 (sv) 1996-09-26 1996-09-26 Svavelfri kokning av kemisk massa

Publications (3)

Publication Number Publication Date
SE9603518D0 SE9603518D0 (sv) 1996-09-26
SE9603518L true SE9603518L (sv) 1998-03-27
SE510775C2 SE510775C2 (sv) 1999-06-21

Family

ID=20404039

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9603518A SE510775C2 (sv) 1996-09-26 1996-09-26 Svavelfri kokning av kemisk massa

Country Status (5)

Country Link
EP (1) EP0928349B1 (sv)
AT (1) ATE241033T1 (sv)
DE (1) DE69722226D1 (sv)
SE (1) SE510775C2 (sv)
WO (1) WO1998013547A1 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6241851B1 (en) 1998-03-03 2001-06-05 Andritz-Ahlstrom Inc. Treatment of cellulose material with additives while producing cellulose pulp
CA2318027C (en) 1999-09-13 2008-07-08 Andritz-Ahlstrom Inc. Treating pulp with yield or strength-enhancing additive
CN105200838A (zh) * 2015-09-18 2015-12-30 新疆国力源投资有限公司 一种制备竹柳漂白浆的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181565A (en) * 1976-12-10 1980-01-01 Honshu Seishi Kabushiki Kaisha Process for cooking lignocellulosic material in the presence of hydroxyanthracenes and derivatives thereof
AU516988B2 (en) * 1977-05-02 1981-07-02 Australian Paper Manufacturers Limited Alkaline pulping process
CA1132763A (en) * 1978-10-25 1982-10-05 Harry H. Holton Use of cyclic keto compounds as additives in vapor phase pulping process
SE502667C2 (sv) * 1993-07-12 1995-12-04 Kvaerner Pulping Tech Behandling av fibermaterial med komplexbildare före kokning

Also Published As

Publication number Publication date
SE510775C2 (sv) 1999-06-21
WO1998013547A1 (en) 1998-04-02
EP0928349B1 (en) 2003-05-21
DE69722226D1 (de) 2003-06-26
EP0928349A1 (en) 1999-07-14
ATE241033T1 (de) 2003-06-15
SE9603518D0 (sv) 1996-09-26

Similar Documents

Publication Publication Date Title
AU3672893A (en) Method for producing a delignified papermaking fiber from recycled, high lignin content, waste paper and product thereof
FI974297A0 (fi) Fyllnadsaemne foer att anvaendas vid papperstillverkning och foerfarande foer framstaellning daerav
AU593763B2 (en) Ozone bleaching of pulp
SE9302409L (sv) Massaframställning
HUP0101935A2 (hu) Eljárás rostpép előállítására hangyasavat és ecetsavat egyaránt tartalmazó főzősav alkalmazásával
ES437137A1 (es) Procedimiento y aparato para el tratamiento de fibras para la elaboracion de papel.
FI69656C (sv) Förfarande för förbättrad tvättning av ur lignocellulosamaterial frams tällda cellulosamassor
ES8704569A1 (es) Procedimiento de disgregacion con sulfito para la preparacion de celulosa a partir de materiales que contienen lignocelulosa con recuperacion de los productos quimicos de disgregacion
SE9603518L (sv) Förfarande för framställning av kemisk massa av sönderdelat cellulosahaltigt material
SE8802089L (sv) Behandling av ett fiberhaltigt material foere kokning till massa
KR930003394B1 (ko) 셀룰로오즈 펄프의 제조방법
ES484228A1 (es) Un procedimiento de tratamiento de una materia prima que contiene fibras de celulosa para la produccion de pasta de papel
SE9703762L (sv) Processystem och förfarande för impregnering och basning av flis innan massakokning
DE59705632D1 (de) Verfahren zur Herstellung von Papiermasse
ES2131346T3 (es) Proceso de produccion de pasta de papel.
US4304050A (en) Method for drying chemical or semichemical wood pulp
US346887A (en) William winslow bennett
JPS6480440A (en) Filter aid and production thereof
CN109403118A (zh) 一种农林三剩物制备纤维素的洗选漂方法
Wei et al. Effect of bleaching using sodium hydroxide on pulp derived from Sesbania grandiflora
US2932600A (en) Process for the production of pulp from bagasse
US1046475A (en) Process of making paper and product thereof.
JPH0532520B2 (sv)
KR850001507B1 (ko) 제지용 화학펄프의 제조방법
TH17352EX (th) กรรมวิธีสำหรับกำจัดลิกนีนของวัตถุดิบเส้นใยเซลลูโลส

Legal Events

Date Code Title Description
NUG Patent has lapsed