FI860609A0 - FOERFARANDE FOER FRAMSTAELLNING AV BLEKT CELLULOSAMASSA UTAV LIGNINHALTIGT RAOMATERIAL. - Google Patents
FOERFARANDE FOER FRAMSTAELLNING AV BLEKT CELLULOSAMASSA UTAV LIGNINHALTIGT RAOMATERIAL.Info
- Publication number
- FI860609A0 FI860609A0 FI860609A FI860609A FI860609A0 FI 860609 A0 FI860609 A0 FI 860609A0 FI 860609 A FI860609 A FI 860609A FI 860609 A FI860609 A FI 860609A FI 860609 A0 FI860609 A0 FI 860609A0
- Authority
- FI
- Finland
- Prior art keywords
- utav
- raomaterial
- ligninhaltigt
- blekt
- cellulosamassa
- Prior art date
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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
-
- 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
- D21C3/003—Pulping cellulose-containing materials with organic compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI860609A FI74750C (en) | 1985-03-22 | 1986-02-11 | Process for preparing bleached cellulose pulp from lignin-containing raw material. |
DE8686901881T DE3671924D1 (en) | 1985-03-22 | 1986-03-24 | METHOD FOR PRODUCING BLEACHED PULP FROM LIGNOCELLULOUS RAW MATERIAL. |
AT86901881T ATE53613T1 (en) | 1985-03-22 | 1986-03-24 | PROCESS FOR PRODUCTION OF BLEACHED PULP FROM LIGNOCELLULOSE RAW MATERIAL. |
AU55892/86A AU5589286A (en) | 1985-03-22 | 1986-03-24 | Process for preparing bleached pulp out of lignocellulosic raw material |
EP86901881A EP0250422B1 (en) | 1985-03-22 | 1986-03-24 | Process for preparing bleached pulp from lignocellulosic raw material |
PCT/FI1986/000028 WO1986005529A1 (en) | 1985-03-22 | 1986-03-24 | Process for preparing bleached pulp out of lignocellulosic raw material |
JP61501856A JPH0737720B2 (en) | 1985-03-22 | 1986-03-24 | Method for producing bleached pulp from lignocellulosic raw material |
US06/936,344 US4793898A (en) | 1985-02-22 | 1986-03-24 | Process for bleaching organic peroxyacid cooked material with an alkaline solution of hydrogen peroxide |
CA000507591A CA1284557C (en) | 1986-02-11 | 1986-04-25 | Process for preparing pulp out of lignocellulosic raw material |
NO864660A NO166138C (en) | 1985-03-22 | 1986-11-21 | PROCEDURE FOR THE PREPARATION OF INKED TREMASS. |
BR8700589A BR8700589A (en) | 1986-02-11 | 1987-02-10 | PROCESS FOR THE PREPARATION OF MILLED PULP FROM LIGNOCELLULOSIC RAW MATERIA |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI851156A FI851156A0 (en) | 1985-03-22 | 1985-03-22 | FOERFARANDE FOER FRAMSTAELLNING AV BLEKT CELLULOSAMASSA AV LIGNINHALTIGT RAOMATERIAL. |
FI851156 | 1985-03-22 | ||
FI860609A FI74750C (en) | 1985-03-22 | 1986-02-11 | Process for preparing bleached cellulose pulp from lignin-containing raw material. |
FI860609 | 1986-02-11 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI860609A0 true FI860609A0 (en) | 1986-02-11 |
FI860609A FI860609A (en) | 1986-09-23 |
FI74750B FI74750B (en) | 1987-11-30 |
FI74750C FI74750C (en) | 1988-03-10 |
Family
ID=26157741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI860609A FI74750C (en) | 1985-02-22 | 1986-02-11 | Process for preparing bleached cellulose pulp from lignin-containing raw material. |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0250422B1 (en) |
JP (1) | JPH0737720B2 (en) |
AU (1) | AU5589286A (en) |
DE (1) | DE3671924D1 (en) |
FI (1) | FI74750C (en) |
WO (1) | WO1986005529A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI80191C (en) * | 1988-03-30 | 1990-05-10 | Valio Meijerien | Procedure and preservatives for the silage of feed |
DE19516151A1 (en) * | 1995-05-03 | 1996-11-07 | Sven Siegle | Process for the production of a pulp from cellulosic material, the pulp itself and its use |
GB2304126A (en) * | 1995-08-10 | 1997-03-12 | Warwick Int Group | Pulp treatment process |
FI103588B (en) * | 1996-01-19 | 1999-07-30 | Esa Rousu Consulting Oy | A process for the production of raw materials for artificial and other fibers from herbaceous plants |
FI103899B (en) * | 1996-11-06 | 1999-10-15 | Chempolis Oy | Process for producing extremely pale pulp |
FI116390B (en) | 1998-05-05 | 2005-11-15 | Chempolis Oy | Process for making pulp |
CN100430552C (en) * | 2003-05-29 | 2008-11-05 | 中国科学院成都有机化学研究所 | Cooking catalyst for papermaking and pulping |
JP5938979B2 (en) * | 2012-03-23 | 2016-06-22 | 日本製紙株式会社 | Treatment method of plant-based materials |
RU2590882C1 (en) * | 2015-04-27 | 2016-07-10 | Федеральное Государственное Бюджетное Учреждение Науки Институт Химии И Химической Технологии Сибирского Отделения Российской Академии Наук (Иххт Со Ран) | Method of producing cellulose |
DE102016219719B3 (en) * | 2016-10-11 | 2018-01-25 | Clariant International Ltd. | Process for recovering cellulose, hemicellulose and lignocellulose from plant biomass |
CN112778539A (en) * | 2021-01-04 | 2021-05-11 | 中国林业科学研究院林产化学工业研究所 | Method for preparing oxidized lignin with high carboxyl content from fiber raw material |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE969093C (en) * | 1948-11-11 | 1958-04-30 | Aschaffenburger Zellstoffwerke | Process for the production of bleached cellulose from wood or other vegetable material |
US2939813A (en) * | 1956-04-25 | 1960-06-07 | Columbia Cellulose Company Ltd | Pulping of lignocellulosic material |
US3458394A (en) * | 1965-10-08 | 1969-07-29 | Scott Paper Co | Pulping wood chips with peracetic acid and chlorine dioxide |
JPS5417041A (en) * | 1977-07-07 | 1979-02-08 | Mitsubishi Electric Corp | Refractive index distribution type lens and production thereof |
DE3005947B1 (en) * | 1980-02-16 | 1981-01-29 | Degussa | Process for bleaching pulp using organic peracid |
-
1986
- 1986-02-11 FI FI860609A patent/FI74750C/en not_active IP Right Cessation
- 1986-03-24 EP EP86901881A patent/EP0250422B1/en not_active Expired - Lifetime
- 1986-03-24 AU AU55892/86A patent/AU5589286A/en not_active Abandoned
- 1986-03-24 DE DE8686901881T patent/DE3671924D1/en not_active Expired - Fee Related
- 1986-03-24 WO PCT/FI1986/000028 patent/WO1986005529A1/en active IP Right Grant
- 1986-03-24 JP JP61501856A patent/JPH0737720B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU5589286A (en) | 1986-10-13 |
FI74750B (en) | 1987-11-30 |
FI860609A (en) | 1986-09-23 |
FI74750C (en) | 1988-03-10 |
DE3671924D1 (en) | 1990-07-19 |
JPH0737720B2 (en) | 1995-04-26 |
EP0250422A1 (en) | 1988-01-07 |
JPS62502553A (en) | 1987-10-01 |
WO1986005529A1 (en) | 1986-09-25 |
EP0250422B1 (en) | 1990-06-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: OY KESKUSLABORATORIO-CENTRALLABORATORIUM AB |