BR7304978D0 - Processo para producao de polpa de celulose - Google Patents

Processo para producao de polpa de celulose

Info

Publication number
BR7304978D0
BR7304978D0 BR4978/73A BR497873A BR7304978D0 BR 7304978 D0 BR7304978 D0 BR 7304978D0 BR 4978/73 A BR4978/73 A BR 4978/73A BR 497873 A BR497873 A BR 497873A BR 7304978 D0 BR7304978 D0 BR 7304978D0
Authority
BR
Brazil
Prior art keywords
production
cellulose pulp
pulp
cellulose
Prior art date
Application number
BR4978/73A
Other languages
English (en)
Inventor
S Hagglund
H Samuelson
L 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
Publication of BR7304978D0 publication Critical patent/BR7304978D0/pt

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
BR4978/73A 1972-07-05 1973-07-04 Processo para producao de polpa de celulose BR7304978D0 (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR7304978D0 true BR7304978D0 (pt) 1974-09-05

Family

ID=20275256

Family Applications (1)

Application Number Title Priority Date Filing Date
BR4978/73A BR7304978D0 (pt) 1972-07-05 1973-07-04 Processo para producao de polpa de celulose

Country Status (11)

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

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
DE3674859D1 (de) * 1985-08-05 1990-11-15 Interox Sa Verfahren zur delignifizierung von zellulosematerialien.
IN167959B (pt) * 1985-08-05 1991-01-12 Interox
CA2356444C (en) 1999-02-15 2009-12-15 Kiram Ab Process for oxygen pulping of lignocellulosic material and recovery of pulping chemicals
WO2001059204A1 (en) * 2000-02-14 2001-08-16 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
PL1883731T3 (pl) 2005-05-24 2016-03-31 Int Paper Co Zmodyfikowana siarczanowa masa włóknista
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 (pt) * 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 (pt) * 1970-06-22 1972-02-28 Mo Och Domsjoe Ab

Also Published As

Publication number Publication date
CA1018707A (en) 1977-10-11
DE2333742A1 (de) 1974-01-24
FR2190974A1 (pt) 1974-02-01
NO140535B (no) 1979-06-11
SE373896B (pt) 1975-02-17
CH583333A5 (pt) 1976-12-31
DE2333742B2 (de) 1975-11-27
GB1434232A (en) 1976-05-05
FI55061B (fi) 1979-01-31
FI55061C (fi) 1979-05-10
IT996577B (it) 1975-12-10
AT328286B (de) 1976-03-10
NO140535C (no) 1979-09-19
FR2190974B1 (pt) 1975-08-22
ATA591173A (de) 1975-05-15
ZA734384B (en) 1974-06-26

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