BR9700837A - Processo para a produção de polpa - Google Patents
Processo para a produção de polpaInfo
- Publication number
- BR9700837A BR9700837A BR9700837A BR9700837A BR9700837A BR 9700837 A BR9700837 A BR 9700837A BR 9700837 A BR9700837 A BR 9700837A BR 9700837 A BR9700837 A BR 9700837A BR 9700837 A BR9700837 A BR 9700837A
- Authority
- BR
- Brazil
- Prior art keywords
- pulp
- production
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/003—Pulping cellulose-containing materials with organic compounds
-
- 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
- D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
-
- 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
- D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0019696A AT404478B (de) | 1996-02-02 | 1996-02-02 | Celluloseherstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9700837A true BR9700837A (pt) | 1998-12-08 |
Family
ID=3484037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9700837A BR9700837A (pt) | 1996-02-02 | 1997-01-31 | Processo para a produção de polpa |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT404478B (de) |
BR (1) | BR9700837A (de) |
FI (1) | FI970419A (de) |
RU (1) | RU2135665C1 (de) |
SE (1) | SE9700283L (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2737432T3 (es) * | 2011-05-13 | 2020-01-14 | Valmet Oy | Procedimiento compacto para producir pasta papelera prehidrolizada |
US20140366870A1 (en) * | 2012-12-31 | 2014-12-18 | Api Intellectual Property Holdings, Llc | Methods for recovering and recycling salt byproducts in biorefinery processes |
US20140187759A1 (en) * | 2012-12-31 | 2014-07-03 | Api Intellectual Property Holdings, Llc | Biorefining processes and apparatus for separating cellulose hemicellulose, and lignin from biomass |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0211558A3 (de) * | 1985-07-26 | 1987-05-27 | Biodyne Chemicals, Inc. | Verfahren zum Aufschluss von Lignocellulosematerial |
GB8721528D0 (en) * | 1987-09-14 | 1987-10-21 | Shell Int Research | Pulping lignocellulose-containing material |
-
1996
- 1996-02-02 AT AT0019696A patent/AT404478B/de active
-
1997
- 1997-01-30 SE SE9700283A patent/SE9700283L/xx not_active Application Discontinuation
- 1997-01-31 BR BR9700837A patent/BR9700837A/pt active Search and Examination
- 1997-01-31 RU RU97101666A patent/RU2135665C1/ru active
- 1997-01-31 FI FI970419A patent/FI970419A/fi unknown
Also Published As
Publication number | Publication date |
---|---|
ATA19696A (de) | 1998-04-15 |
SE9700283L (sv) | 1997-08-03 |
FI970419A (fi) | 1997-08-03 |
AT404478B (de) | 1998-11-25 |
RU2135665C1 (ru) | 1999-08-27 |
SE9700283D0 (sv) | 1997-01-30 |
FI970419A0 (fi) | 1997-01-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB34 | Technical and formal requirements: requirement - article 34 of industrial property law | ||
B11T | Dismissal of application maintained [chapter 11.20 patent gazette] |