SE9401769L - Flisimpregnering vid pappersmassakokning med sulfidiskt alkali - Google Patents

Flisimpregnering vid pappersmassakokning med sulfidiskt alkali

Info

Publication number
SE9401769L
SE9401769L SE9401769A SE9401769A SE9401769L SE 9401769 L SE9401769 L SE 9401769L SE 9401769 A SE9401769 A SE 9401769A SE 9401769 A SE9401769 A SE 9401769A SE 9401769 L SE9401769 L SE 9401769L
Authority
SE
Sweden
Prior art keywords
liquor
digestion
impregnation
pulp
sulphidic
Prior art date
Application number
SE9401769A
Other languages
English (en)
Swedish (sv)
Other versions
SE9401769D0 (sv
Inventor
Nils Mannbro
Original Assignee
Nils Mannbro
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 Nils Mannbro filed Critical Nils Mannbro
Priority to SE9401769A priority Critical patent/SE9401769L/
Publication of SE9401769D0 publication Critical patent/SE9401769D0/xx
Priority to PCT/SE1995/000573 priority patent/WO1995032331A1/en
Publication of SE9401769L publication Critical patent/SE9401769L/

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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
SE9401769A 1994-05-24 1994-05-24 Flisimpregnering vid pappersmassakokning med sulfidiskt alkali SE9401769L (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE9401769A SE9401769L (sv) 1994-05-24 1994-05-24 Flisimpregnering vid pappersmassakokning med sulfidiskt alkali
PCT/SE1995/000573 WO1995032331A1 (en) 1994-05-24 1995-05-22 Sulphidic impregnation of chips for alkaline pulping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9401769A SE9401769L (sv) 1994-05-24 1994-05-24 Flisimpregnering vid pappersmassakokning med sulfidiskt alkali

Publications (2)

Publication Number Publication Date
SE9401769D0 SE9401769D0 (sv) 1994-05-24
SE9401769L true SE9401769L (sv) 1995-11-25

Family

ID=20394096

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9401769A SE9401769L (sv) 1994-05-24 1994-05-24 Flisimpregnering vid pappersmassakokning med sulfidiskt alkali

Country Status (2)

Country Link
SE (1) SE9401769L ( )
WO (1) WO1995032331A1 ( )

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5885414A (en) * 1997-08-18 1999-03-23 Kvaerner Pulping Ab Method of producing pulp with high alkali cooking in the last cooking stage
JP4704639B2 (ja) 1999-06-15 2011-06-15 川崎化成工業株式会社 パルプ蒸解方法
AU2002328308B2 (en) * 2001-06-29 2007-07-26 Voith Paper Fiber Systems Gmbh & Co. Kg Method for delignifying lignocellulosic raw materials
DE10323376A1 (de) * 2003-05-21 2004-12-16 Voith Paper Fiber Systems Gmbh & Co. Kg Verfahren zum Delignifizieren
FI120547B (fi) * 2004-10-04 2009-11-30 Metso Paper Inc Alkalinen keittomenetelmä ja laitteisto massan valmistamiseksi
FI122841B (fi) * 2004-10-04 2012-07-31 Metso Paper Inc Menetelmä ja laitteisto selluloosamassan valmistamiseksi
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
ES2525263T3 (es) * 2010-05-04 2014-12-19 Bahia Specialty Cellulose Sa Procedimiento y sistema de tratamiento de pasta de papel utilizando una extracción cáustica en frío con reutilización del filtrado alcalino

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE381897C (sv) * 1973-11-23 1977-05-12 Skogegarnas Ind Ab Sett for satsvis alkalisk massakokning i kombination med kontinuerlig syredelignifiering
US5053108A (en) * 1989-06-28 1991-10-01 Kamyr Ab High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips
US5213662A (en) * 1991-08-14 1993-05-25 Kamyr, Inc. Treatment of chips with high temperature black liquor to reduce black liquor viscosity

Also Published As

Publication number Publication date
WO1995032331A1 (en) 1995-11-30
SE9401769D0 (sv) 1994-05-24

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