ZA734384B - A method of producing cellulose pulp by means of oxygen gas delignification - Google Patents

A method of producing cellulose pulp by means of oxygen gas delignification

Info

Publication number: ZA734384B
Authority: ZA; South Africa
Prior art keywords: oxygen gas; cellulose pulp; producing cellulose; gas delignification; delignification
Prior art date: 1972-07-05

Application number

ZA734384A

Other languages

English (en)

Inventor

H Samuelson

S Hagglune

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.)

1972-07-05

Filing date

1973-06-27

Publication date

1974-06-26

1973-06-27 Application filed by Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab

1974-06-26 Publication of ZA734384B publication Critical patent/ZA734384B/xx

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

ZA734384A 1972-07-05 1973-06-27 A method of producing cellulose pulp by means of oxygen gas delignification ZA734384B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
ZA734384B true ZA734384B (en)	1974-06-26

Family

ID=20275256

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA734384A ZA734384B (en)	1972-07-05	1973-06-27	A method of producing cellulose pulp by means of oxygen gas delignification

Country Status (11)

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

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
IN167959B (hu) *	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
DE60014045D1 (de)	1999-02-15	2004-10-28	Kiram Ab Saltsjoebaden	Verfahren zum sauerstoff-aufschluss von liganocellulosischen materialien und rückgewinnung von aufschlusschemikalien
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
CN104109983A (zh)	2005-05-24	2014-10-22	国际纸业公司	改性的牛皮纤维
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 (hu) *	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 (hu) *	1970-06-22	1972-02-28	Mo Och Domsjoe Ab

1972
- 1972-07-05 SE SE7208879A patent/SE373896B/xx unknown
1973
- 1973-06-07 FI FI1861/73A patent/FI55061C/fi active
- 1973-06-18 NO NO2523/73A patent/NO140535C/no unknown
- 1973-06-27 ZA ZA734384A patent/ZA734384B/xx unknown
- 1973-07-03 CA CA175,525A patent/CA1018707A/en not_active Expired
- 1973-07-04 IT IT68986/73A patent/IT996577B/it active
- 1973-07-04 GB GB3194173A patent/GB1434232A/en not_active Expired
- 1973-07-04 CH CH974473A patent/CH583333A5/xx not_active IP Right Cessation
- 1973-07-04 BR BR4978/73A patent/BR7304978D0/pt unknown
- 1973-07-04 FR FR7324595A patent/FR2190974B1/fr not_active Expired
- 1973-07-04 AT AT591173A patent/AT328286B/de active

Also Published As

Publication number	Publication date
DE2333742B2 (de)	1975-11-27
FR2190974B1 (hu)	1975-08-22
IT996577B (it)	1975-12-10
FR2190974A1 (hu)	1974-02-01
AT328286B (de)	1976-03-10
CH583333A5 (hu)	1976-12-31
FI55061B (fi)	1979-01-31
GB1434232A (en)	1976-05-05
SE373896B (hu)	1975-02-17
NO140535B (no)	1979-06-11
ATA591173A (de)	1975-05-15
CA1018707A (en)	1977-10-11
FI55061C (fi)	1979-05-10
BR7304978D0 (pt)	1974-09-05
NO140535C (no)	1979-09-19
DE2333742A1 (de)	1974-01-24

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