FI970419A - Method for making cellulose pulp - Google Patents
Method for making cellulose pulp Download PDFInfo
- Publication number
- FI970419A FI970419A FI970419A FI970419A FI970419A FI 970419 A FI970419 A FI 970419A FI 970419 A FI970419 A FI 970419A FI 970419 A FI970419 A FI 970419A FI 970419 A FI970419 A FI 970419A
- Authority
- FI
- Finland
- Prior art keywords
- cellulose pulp
- making cellulose
- making
- pulp
- cellulose
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0019696A AT404478B (en) | 1996-02-02 | 1996-02-02 | Cooking liquor containing low b.pt. solvents and quinone reducing catalysts - contains alkali sulphite(s) and sulphide(s) in aqueous solution |
Publications (2)
Publication Number | Publication Date |
---|---|
FI970419A0 FI970419A0 (en) | 1997-01-31 |
FI970419A true FI970419A (en) | 1997-08-03 |
Family
ID=3484037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI970419A FI970419A (en) | 1996-02-02 | 1997-01-31 | Method for making cellulose pulp |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT404478B (en) |
BR (1) | BR9700837A (en) |
FI (1) | FI970419A (en) |
RU (1) | RU2135665C1 (en) |
SE (1) | SE9700283L (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2707539B1 (en) * | 2011-05-13 | 2019-05-08 | Valmet Aktiebolag | Compact process for producing prehydrolyzed pulp |
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 (en) * | 1985-07-26 | 1987-05-27 | Biodyne Chemicals, Inc. | Process for digesting lignocellulosic material |
GB8721528D0 (en) * | 1987-09-14 | 1987-10-21 | Shell Int Research | Pulping lignocellulose-containing material |
-
1996
- 1996-02-02 AT AT0019696A patent/AT404478B/en active
-
1997
- 1997-01-30 SE SE9700283A patent/SE9700283L/en not_active Application Discontinuation
- 1997-01-31 RU RU97101666A patent/RU2135665C1/en active
- 1997-01-31 FI FI970419A patent/FI970419A/en unknown
- 1997-01-31 BR BR9700837A patent/BR9700837A/en active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
BR9700837A (en) | 1998-12-08 |
FI970419A0 (en) | 1997-01-31 |
AT404478B (en) | 1998-11-25 |
SE9700283L (en) | 1997-08-03 |
ATA19696A (en) | 1998-04-15 |
SE9700283D0 (en) | 1997-01-30 |
RU2135665C1 (en) | 1999-08-27 |
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