SE373896B - - Google Patents
Info
- Publication number
- SE373896B SE373896B SE7208879A SE887972A SE373896B SE 373896 B SE373896 B SE 373896B SE 7208879 A SE7208879 A SE 7208879A SE 887972 A SE887972 A SE 887972A SE 373896 B SE373896 B SE 373896B
- Authority
- SE
- Sweden
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
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7208879A SE373896B (en) | 1972-07-05 | 1972-07-05 | |
| FI1861/73A FI55061C (en) | 1972-07-05 | 1973-06-07 | SAETT ATT FRAMSTAELLA CELLULOSAMASSA MEDELST SYRGASDELIGNIFIERING |
| NO2523/73A NO140535C (en) | 1972-07-05 | 1973-06-18 | PROCEDURE FOR THE PREPARATION OF CELLULOSE PULP BY CONNECTION WITH THE OXYGEN |
| ZA734384A ZA734384B (en) | 1972-07-05 | 1973-06-27 | A method of producing cellulose pulp by means of oxygen gas delignification |
| CA175,525A CA1018707A (en) | 1972-07-05 | 1973-07-03 | Pretreatment of lignocellulosic material to facilitate oxygen gas delignification |
| DE19732333742 DE2333742C3 (en) | 1972-07-05 | 1973-07-03 | Process for the production of cellulose pulps |
| FR7324595A FR2190974B1 (en) | 1972-07-05 | 1973-07-04 | |
| AT591173A AT328286B (en) | 1972-07-05 | 1973-07-04 | METHOD FOR MANUFACTURING CELLULOSE PULPS |
| BR4978/73A BR7304978D0 (en) | 1972-07-05 | 1973-07-04 | PROCESS FOR THE PRODUCTION OF CELLULOSE PULP |
| IT68986/73A IT996577B (en) | 1972-07-05 | 1973-07-04 | PROCEDURE FOR THE PRODUCTION OF CELLULOSE PASTE FOR DELIGNIFICATION WITH GASEOUS OXYGEN |
| GB3194173A GB1434232A (en) | 1972-07-05 | 1973-07-04 | Method of producing cellulose pulp by means of oxygen gas delignification |
| CH974473A CH583333A5 (en) | 1972-07-05 | 1973-07-04 |
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 |
|---|---|
| SE373896B true SE373896B (en) | 1975-02-17 |
Family
ID=20275256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7208879A SE373896B (en) | 1972-07-05 | 1972-07-05 |
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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1982001019A1 (en) * | 1980-09-22 | 1982-04-01 | Nardi F | Process to produce pulps |
Families Citing this family (13)
| 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 |
| IN167959B (en) * | 1985-08-05 | 1991-01-12 | Interox | |
| DE3674859D1 (en) * | 1985-08-05 | 1990-11-15 | Interox Sa | METHOD FOR DELIGNIFYING CELLULOSE MATERIALS. |
| US6770168B1 (en) | 1999-02-15 | 2004-08-03 | Kiram Ab | Process for oxygen pulping of lignocellulosic material and recorvery 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 |
| RU2454494C2 (en) | 2005-05-24 | 2012-06-27 | Интернэшнл Пэйпа Кампани | Method to produce modified cellulose for use in products from paper or paper web, bleached modified sulfate cellulose, paper or cardboard |
| US7520958B2 (en) | 2005-05-24 | 2009-04-21 | International Paper Company | 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 |
| 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 |
| 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 |
| 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)
| 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 |
-
1972
- 1972-07-05 SE SE7208879A patent/SE373896B/xx unknown
-
1973
- 1973-06-07 FI FI1861/73A patent/FI55061C/en active
- 1973-06-18 NO NO2523/73A patent/NO140535C/en unknown
- 1973-06-27 ZA ZA734384A patent/ZA734384B/en unknown
- 1973-07-03 CA CA175,525A patent/CA1018707A/en not_active Expired
- 1973-07-04 BR BR4978/73A patent/BR7304978D0/en unknown
- 1973-07-04 GB GB3194173A patent/GB1434232A/en not_active Expired
- 1973-07-04 FR FR7324595A patent/FR2190974B1/fr not_active Expired
- 1973-07-04 CH CH974473A patent/CH583333A5/xx not_active IP Right Cessation
- 1973-07-04 AT AT591173A patent/AT328286B/en active
- 1973-07-04 IT IT68986/73A patent/IT996577B/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1982001019A1 (en) * | 1980-09-22 | 1982-04-01 | Nardi F | Process to produce pulps |
Also Published As
| Publication number | Publication date |
|---|---|
| IT996577B (en) | 1975-12-10 |
| FR2190974B1 (en) | 1975-08-22 |
| NO140535B (en) | 1979-06-11 |
| DE2333742A1 (en) | 1974-01-24 |
| FI55061C (en) | 1979-05-10 |
| BR7304978D0 (en) | 1974-09-05 |
| CH583333A5 (en) | 1976-12-31 |
| AT328286B (en) | 1976-03-10 |
| GB1434232A (en) | 1976-05-05 |
| NO140535C (en) | 1979-09-19 |
| FR2190974A1 (en) | 1974-02-01 |
| FI55061B (en) | 1979-01-31 |
| CA1018707A (en) | 1977-10-11 |
| DE2333742B2 (en) | 1975-11-27 |
| ATA591173A (en) | 1975-05-15 |
| ZA734384B (en) | 1974-06-26 |