EP0250422B1 - Procede de preparation de pate a papier blanchie de matieres lignocellulosiques - Google Patents
Procede de preparation de pate a papier blanchie de matieres lignocellulosiques Download PDFInfo
- Publication number
- EP0250422B1 EP0250422B1 EP86901881A EP86901881A EP0250422B1 EP 0250422 B1 EP0250422 B1 EP 0250422B1 EP 86901881 A EP86901881 A EP 86901881A EP 86901881 A EP86901881 A EP 86901881A EP 0250422 B1 EP0250422 B1 EP 0250422B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stage
- acid
- pulp
- hydrogen peroxide
- raw material
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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)
Abstract
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT86901881T ATE53613T1 (de) | 1985-03-22 | 1986-03-24 | Verfahren zur herstellung gebleichter pulpe aus lignocelluloserohstoff. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI851156A FI851156A0 (fi) | 1985-03-22 | 1985-03-22 | Foerfarande foer framstaellning av blekt cellulosamassa av ligninhaltigt raomaterial. |
FI851156 | 1985-03-22 | ||
FI860609A FI74750C (fi) | 1985-03-22 | 1986-02-11 | Foerfarande foer framstaellning av blekt cellulosamassa utav ligninhaltigt raomaterial. |
FI860609 | 1986-02-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0250422A1 EP0250422A1 (fr) | 1988-01-07 |
EP0250422B1 true EP0250422B1 (fr) | 1990-06-13 |
Family
ID=26157741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86901881A Expired - Lifetime EP0250422B1 (fr) | 1985-03-22 | 1986-03-24 | Procede de preparation de pate a papier blanchie de matieres lignocellulosiques |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0250422B1 (fr) |
JP (1) | JPH0737720B2 (fr) |
AU (1) | AU5589286A (fr) |
DE (1) | DE3671924D1 (fr) |
FI (1) | FI74750C (fr) |
WO (1) | WO1986005529A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6183597B1 (en) | 1995-05-03 | 2001-02-06 | Natural Pulping Ag | Method of producing a pulp from cellulosic material using formic acid and hydrogen peroxide |
RU2590882C1 (ru) * | 2015-04-27 | 2016-07-10 | Федеральное Государственное Бюджетное Учреждение Науки Институт Химии И Химической Технологии Сибирского Отделения Российской Академии Наук (Иххт Со Ран) | Способ получения целлюлозы |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI80191C (fi) * | 1988-03-30 | 1990-05-10 | Valio Meijerien | Foerfarande och konserveringsmedel foer ensilering av foder. |
GB2304126A (en) * | 1995-08-10 | 1997-03-12 | Warwick Int Group | Pulp treatment process |
FI103588B (fi) * | 1996-01-19 | 1999-07-30 | Esa Rousu Consulting Oy | Menetelmä tekokuitujen ja muiden kuitujen raaka-aineen valmistamiseksi ruohovartisista kasveista |
FI103899B1 (fi) * | 1996-11-06 | 1999-10-15 | Chempolis Oy | Menetelmä erityisen vaalean massan valmistamiseksi |
FI116390B (fi) | 1998-05-05 | 2005-11-15 | Chempolis Oy | Menetelmä massan valmistamiseksi |
CN100430552C (zh) * | 2003-05-29 | 2008-11-05 | 中国科学院成都有机化学研究所 | 一种造纸制浆用蒸煮催化剂 |
JP5938979B2 (ja) * | 2012-03-23 | 2016-06-22 | 日本製紙株式会社 | 植物系原料の処理方法 |
DE102016219719B3 (de) * | 2016-10-11 | 2018-01-25 | Clariant International Ltd. | Verfahren zur Gewinnung von Cellulose, Hemicellulose und Lignin aus Lignocellulose aus pflanzlicher Biomasse |
CN112778539A (zh) * | 2021-01-04 | 2021-05-11 | 中国林业科学研究院林产化学工业研究所 | 一种从纤维原料中制备高羧基含量的氧化木质素的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE969093C (de) * | 1948-11-11 | 1958-04-30 | Aschaffenburger Zellstoffwerke | Verfahren zur Herstellung von gebleichtem Zellstoff aus Holz oder anderem pflanzlichem 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 (de) * | 1980-02-16 | 1981-01-29 | Degussa | Verfahren zur Bleiche von Zellstoffen mittels organischer Persaeure |
-
1986
- 1986-02-11 FI FI860609A patent/FI74750C/fi not_active IP Right Cessation
- 1986-03-24 EP EP86901881A patent/EP0250422B1/fr not_active Expired - Lifetime
- 1986-03-24 DE DE8686901881T patent/DE3671924D1/de not_active Expired - Fee Related
- 1986-03-24 AU AU55892/86A patent/AU5589286A/en not_active Abandoned
- 1986-03-24 WO PCT/FI1986/000028 patent/WO1986005529A1/fr active IP Right Grant
- 1986-03-24 JP JP61501856A patent/JPH0737720B2/ja not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
Derwent's abstract no 07598 E/04, SU 821614 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6183597B1 (en) | 1995-05-03 | 2001-02-06 | Natural Pulping Ag | Method of producing a pulp from cellulosic material using formic acid and hydrogen peroxide |
RU2590882C1 (ru) * | 2015-04-27 | 2016-07-10 | Федеральное Государственное Бюджетное Учреждение Науки Институт Химии И Химической Технологии Сибирского Отделения Российской Академии Наук (Иххт Со Ран) | Способ получения целлюлозы |
Also Published As
Publication number | Publication date |
---|---|
WO1986005529A1 (fr) | 1986-09-25 |
FI74750C (fi) | 1988-03-10 |
JPS62502553A (ja) | 1987-10-01 |
DE3671924D1 (de) | 1990-07-19 |
FI860609A (fi) | 1986-09-23 |
FI74750B (fi) | 1987-11-30 |
FI860609A0 (fi) | 1986-02-11 |
EP0250422A1 (fr) | 1988-01-07 |
JPH0737720B2 (ja) | 1995-04-26 |
AU5589286A (en) | 1986-10-13 |
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