IT996577B - PROCEDURE FOR THE PRODUCTION OF CELLULOSE PASTE FOR DELIGNIFICATION WITH GASEOUS OXYGEN - Google Patents

PROCEDURE FOR THE PRODUCTION OF CELLULOSE PASTE FOR DELIGNIFICATION WITH GASEOUS OXYGEN

Info

Publication number
IT996577B
IT996577B IT68986/73A IT6898673A IT996577B IT 996577 B IT996577 B IT 996577B IT 68986/73 A IT68986/73 A IT 68986/73A IT 6898673 A IT6898673 A IT 6898673A IT 996577 B IT996577 B IT 996577B
Authority
IT
Italy
Prior art keywords
delignification
procedure
production
gaseous oxygen
cellulose paste
Prior art date
Application number
IT68986/73A
Other languages
Italian (it)
Original Assignee
Mo Och D 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 D Ab filed Critical Mo Och D Ab
Application granted granted Critical
Publication of IT996577B publication Critical patent/IT996577B/en

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
IT68986/73A 1972-07-05 1973-07-04 PROCEDURE FOR THE PRODUCTION OF CELLULOSE PASTE FOR DELIGNIFICATION WITH GASEOUS OXYGEN IT996577B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT996577B true IT996577B (en) 1975-12-10

Family

ID=20275256

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68986/73A IT996577B (en) 1972-07-05 1973-07-04 PROCEDURE FOR THE PRODUCTION OF CELLULOSE PASTE FOR DELIGNIFICATION WITH GASEOUS OXYGEN

Country Status (11)

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

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2282500A1 (en) * 1974-08-20 1976-03-19 Grp Europ De Cellulose Paper pulp is de-lignified by heating with alkali - followed by oxidation with oxidising liquid and pressurised oxygen
IT1209352B (en) * 1980-09-22 1989-07-16 Nardi Franco PROCESS FOR THE PRODUCTION OF CHEMICAL CELLULOSE AND / OR PAPER PASTES, AS WELL AS THE PLANT AND ITS COMPONENTS FOR THE IMPLEMENTATION OF THE INDICATED PROCESS
IN167959B (en) * 1985-08-05 1991-01-12 Interox
AU591509B2 (en) * 1985-08-05 1989-12-07 Interox Societe Anonyme Process for the delignification of cellulosic substances
WO2000047812A1 (en) * 1999-02-15 2000-08-17 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
CN101180432A (en) 2005-05-24 2008-05-14 国际纸业公司 Modified kraft fibers
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
CN108360277B (en) * 2017-12-28 2019-12-31 潍坊友容实业有限公司 Process method for extracting cellulose by utilizing amorpha fruticosa planted in saline-alkali soil
CN108166089B (en) * 2017-12-28 2020-07-07 潍坊友容实业有限公司 Method for preparing regenerated cellulose by utilizing amorpha fruticosa planted in saline-alkali soil
CN112852900A (en) * 2019-11-27 2021-05-28 中国石油天然气股份有限公司 Pretreatment method and enzymolysis method of lignocellulose raw material

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE335053B (en) * 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 (en) * 1970-06-22 1972-02-28 Mo Och Domsjoe Ab

Also Published As

Publication number Publication date
GB1434232A (en) 1976-05-05
NO140535C (en) 1979-09-19
SE373896B (en) 1975-02-17
DE2333742B2 (en) 1975-11-27
AT328286B (en) 1976-03-10
DE2333742A1 (en) 1974-01-24
BR7304978D0 (en) 1974-09-05
FR2190974A1 (en) 1974-02-01
NO140535B (en) 1979-06-11
FI55061B (en) 1979-01-31
ZA734384B (en) 1974-06-26
CH583333A5 (en) 1976-12-31
CA1018707A (en) 1977-10-11
FI55061C (en) 1979-05-10
FR2190974B1 (en) 1975-08-22
ATA591173A (en) 1975-05-15

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