BR8108805A - Processo para produzir polpas - Google Patents
Processo para produzir polpasInfo
- Publication number
- BR8108805A BR8108805A BR8108805A BR8108805A BR8108805A BR 8108805 A BR8108805 A BR 8108805A BR 8108805 A BR8108805 A BR 8108805A BR 8108805 A BR8108805 A BR 8108805A BR 8108805 A BR8108805 A BR 8108805A
- Authority
- BR
- Brazil
- Prior art keywords
- produce pulp
- pulp
- produce
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
-
- 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/026—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of O2, e.g. air
-
- 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
- D21C9/1073—Bleaching ; Apparatus therefor with O3
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8024818A IT1209352B (it) | 1980-09-22 | 1980-09-22 | Processo per la produzione di cellulose chimiche e/o paste per carte, nonche'impianto e relativi componenti per l'attuazione del processo indicato |
PCT/SE1981/000273 WO1982001019A1 (en) | 1980-09-22 | 1981-09-21 | Process to produce pulps |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8108805A true BR8108805A (pt) | 1982-08-24 |
Family
ID=11214834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8108805A BR8108805A (pt) | 1980-09-22 | 1981-09-21 | Processo para produzir polpas |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0060277B1 (it) |
BR (1) | BR8108805A (it) |
DK (1) | DK155192C (it) |
IT (1) | IT1209352B (it) |
WO (1) | WO1982001019A1 (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1269806A (en) * | 1985-06-17 | 1990-06-05 | Betzdearborn Inc. | Method of enhancing the cooking of wood chips for pulp production |
FR2684697B1 (fr) * | 1991-12-09 | 1996-05-03 | Toulouse Inst Nat Polytech | Procede de fabrication de pate a papier blanchie. |
IN177634B (it) * | 1992-04-06 | 1997-02-15 | Process Improvement Systems Pbc | |
KR20010077423A (ko) * | 2000-02-01 | 2001-08-20 | 방윤혁 | 볏짚을 이용한 재생 셀룰로오스 섬유의 제조 방법 |
WO2009070955A1 (fr) * | 2007-12-05 | 2009-06-11 | Shandong Fuyin Paper & Environmental Protection Technology Co., Ltd | Produits de papier non blanchi fait d'une pâte à base d'herbe et leur procédé de fabrication |
CA2749168C (en) * | 2008-12-09 | 2017-09-12 | Shandong Fuyin Paper & Environmental Protection Technology Co., Ltd | A base paper, the preparation method and use thereof |
US8795469B2 (en) * | 2010-06-25 | 2014-08-05 | Prairie Paper Ventures Inc. | Method for preparing nonwood fiber paper |
WO2016062919A1 (en) * | 2014-10-24 | 2016-04-28 | Teknologian Tutkimuskeskus Vtt Oy | Method of processing and fractionating biomass and use of fractions thus obtained |
GB2534589A (en) * | 2015-01-28 | 2016-08-03 | Innovia Films Ltd | Process |
CN116497619A (zh) * | 2023-05-17 | 2023-07-28 | 岳阳林纸股份有限公司 | 一种樟木氢氧化钠本色化学机械制浆工艺 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE374769B (it) * | 1970-04-03 | 1975-03-17 | Mac Millan Bloedel Ltd | |
SE355614B (it) * | 1970-05-13 | 1973-04-30 | Mo Och Domsjoe Ab | |
US4045279A (en) * | 1972-01-17 | 1977-08-30 | Toyo Pulp Co., Ltd. | Process for the manufacture of pulp using sodium carbonate and oxygen |
JPS5130601B2 (it) * | 1972-01-17 | 1976-09-02 | ||
SE373896B (it) * | 1972-07-05 | 1975-02-17 | Mo Och Domsjoe Ab | |
GB1449828A (en) * | 1973-04-26 | 1976-09-15 | Canadian Ind | Oxygen pulping process |
-
1980
- 1980-09-22 IT IT8024818A patent/IT1209352B/it active
-
1981
- 1981-09-21 WO PCT/SE1981/000273 patent/WO1982001019A1/en active IP Right Grant
- 1981-09-21 EP EP81902585A patent/EP0060277B1/en not_active Expired
- 1981-09-21 BR BR8108805A patent/BR8108805A/pt unknown
-
1982
- 1982-05-21 DK DK231182A patent/DK155192C/da active
Also Published As
Publication number | Publication date |
---|---|
DK155192B (da) | 1989-02-27 |
IT8024818A0 (it) | 1980-09-22 |
EP0060277B1 (en) | 1986-03-26 |
DK155192C (da) | 1989-07-10 |
WO1982001019A1 (en) | 1982-04-01 |
IT1209352B (it) | 1989-07-16 |
DK231182A (da) | 1982-05-21 |
EP0060277A1 (en) | 1982-09-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RH | Request refused |