FI55061B - Saett att framstaella cellulosamassa medelst syrgasdelignifiering - Google Patents

Saett att framstaella cellulosamassa medelst syrgasdelignifiering

Info

Publication number
FI55061B
FI55061B FI1861/73A FI186173A FI55061B FI 55061 B FI55061 B FI 55061B FI 1861/73 A FI1861/73 A FI 1861/73A FI 186173 A FI186173 A FI 186173A FI 55061 B FI55061 B FI 55061B
Authority
FI
Finland
Prior art keywords
syrgasdelignifiering
cellulosamassa
medelst
saett att
att framstaella
Prior art date
Application number
FI1861/73A
Other languages
English (en)
Other versions
FI55061C (fi
Inventor
Hans Olof Samuelson
Sture Haegglund
Leif Smedman
Original Assignee
Mo Och Domsjoe 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.)
Filing date
Publication date
Application filed by Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Application granted granted Critical
Publication of FI55061B publication Critical patent/FI55061B/fi
Publication of FI55061C publication Critical patent/FI55061C/fi

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
    • D21C3/26—Multistage processes
    • D21C3/263—Multistage processes at least one stage being in presence of oxygen
FI1861/73A 1972-07-05 1973-06-07 Saett att framstaella cellulosamassa medelst syrgasdelignifiering FI55061C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7208879A SE373896B (fi) 1972-07-05 1972-07-05

Publications (2)

Publication Number Publication Date
FI55061B true FI55061B (fi) 1979-01-31
FI55061C FI55061C (fi) 1979-05-10

Family

ID=20275256

Family Applications (1)

Application Number Title Priority Date Filing Date
FI1861/73A FI55061C (fi) 1972-07-05 1973-06-07 Saett att framstaella cellulosamassa medelst syrgasdelignifiering

Country Status (11)

Country Link
AT (1) AT328286B (fi)
BR (1) BR7304978D0 (fi)
CA (1) CA1018707A (fi)
CH (1) CH583333A5 (fi)
FI (1) FI55061C (fi)
FR (1) FR2190974B1 (fi)
GB (1) GB1434232A (fi)
IT (1) IT996577B (fi)
NO (1) NO140535C (fi)
SE (1) SE373896B (fi)
ZA (1) ZA734384B (fi)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2282500A1 (fr) * 1974-08-20 1976-03-19 Grp Europ De Cellulose Procede de fabrication de pate a papier
IT1209352B (it) * 1980-09-22 1989-07-16 Nardi Franco Processo per la produzione di cellulose chimiche e/o paste per carte, nonche'impianto e relativi componenti per l'attuazione del processo indicato
EP0212329B1 (fr) * 1985-08-05 1990-10-10 INTEROX Société Anonyme Procédé pour la délignification de matières cellulosiques
IN167959B (fi) * 1985-08-05 1991-01-12 Interox
US6770168B1 (en) 1999-02-15 2004-08-03 Kiram Ab Process for oxygen pulping of lignocellulosic material and recorvery of pulping chemicals
AU6604100A (en) * 2000-02-14 2001-08-20 Kiram Ab Process for oxygen pulping of lignocellulosic material and recovery of pulping chemicals
US7520958B2 (en) 2005-05-24 2009-04-21 International Paper Company Modified kraft fibers
BRPI0613271A2 (pt) * 2005-05-24 2010-12-28 Int Paper Co método para produzir uma polpa modificada, artigo de higiene pessoal absorvente, polpa kraft branqueada modificada e papel ou papelão
US8440052B2 (en) * 2006-01-25 2013-05-14 Nalco Company Method and arrangement for feeding chemicals into a pulp process stream
US7771565B2 (en) 2006-02-21 2010-08-10 Packaging Corporation Of America Method of pre-treating woodchips prior to mechanical pulping
US8715969B2 (en) 2008-11-20 2014-05-06 E I Du Pont De Nemours And Company Delignification of biomass with sequential base treatment
CN108166089B (zh) * 2017-12-28 2020-07-07 潍坊友容实业有限公司 一种利用盐碱地种植的紫穗槐制备再生纤维素的方法
CN108360277B (zh) * 2017-12-28 2019-12-31 潍坊友容实业有限公司 一种利用盐碱地种植的紫穗槐提取纤维素的工艺方法
CN112852900A (zh) * 2019-11-27 2021-05-28 中国石油天然气股份有限公司 木质纤维素原料的预处理方法及酶解方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE335053B (fi) * 1969-05-13 1971-05-10 Mo Och Domsjoe Ab
CA895756A (en) * 1970-04-03 1972-03-21 Macmillan Bloedel Limited Two-stage soda-oxygen pulping
SE343092B (fi) * 1970-06-22 1972-02-28 Mo Och Domsjoe Ab

Also Published As

Publication number Publication date
GB1434232A (en) 1976-05-05
NO140535B (no) 1979-06-11
SE373896B (fi) 1975-02-17
FI55061C (fi) 1979-05-10
CA1018707A (en) 1977-10-11
FR2190974A1 (fi) 1974-02-01
IT996577B (it) 1975-12-10
ATA591173A (de) 1975-05-15
AT328286B (de) 1976-03-10
CH583333A5 (fi) 1976-12-31
DE2333742B2 (de) 1975-11-27
DE2333742A1 (de) 1974-01-24
NO140535C (no) 1979-09-19
FR2190974B1 (fi) 1975-08-22
BR7304978D0 (pt) 1974-09-05
ZA734384B (en) 1974-06-26

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