FI900663L - Method for preparing sulphate pulp - Google Patents
Method for preparing sulphate pulp Download PDFInfo
- Publication number
- FI900663L FI900663L FI900663A FI900663A FI900663L FI 900663 L FI900663 L FI 900663L FI 900663 A FI900663 A FI 900663A FI 900663 A FI900663 A FI 900663A FI 900663 L FI900663 L FI 900663L
- Authority
- FI
- Finland
- Prior art keywords
- sulphate pulp
- preparing
- preparing sulphate
- pulp
- sulphate
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title 1
- 229910021653 sulphate ion Inorganic materials 0.000 title 1
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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
-
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Noodles (AREA)
- Holo Graphy (AREA)
- Nonmetallic Welding Materials (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Insulating Materials (AREA)
Priority Applications (15)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI900663A FI93866B (en) | 1990-02-09 | 1990-02-09 | Process for the preparation of sulphate pulp |
| NZ236941A NZ236941A (en) | 1990-02-09 | 1991-01-30 | Preparation of kraft pulp: impregnation with spent alkaline cooking liquor, heating, and subsequent delignification with fresh alkaline cooking liquor |
| ZA91958A ZA91958B (en) | 1990-02-09 | 1991-02-08 | Process for preparing kraft pulp |
| PT96713A PT96713B (en) | 1990-02-09 | 1991-02-08 | KRAFT PASTE PREPARATION PROCESS |
| AU72189/91A AU639304B2 (en) | 1990-02-09 | 1991-02-11 | Process for preparing kraft pulp |
| CA002049322A CA2049322C (en) | 1990-02-09 | 1991-02-11 | Process for preparing kraft pulp |
| BR919104333A BR9104333A (en) | 1990-02-09 | 1991-02-11 | PROCESS FOR THE PREPARATION OF KRAFT PULP |
| PCT/FI1991/000043 WO1991012368A1 (en) | 1990-02-09 | 1991-02-11 | Process for preparing kraft pulp |
| AT91903366T ATE141351T1 (en) | 1990-02-09 | 1991-02-11 | METHOD FOR PRODUCING POWER PULP |
| JP3503756A JP2900091B2 (en) | 1990-02-09 | 1991-02-11 | Kraft pulp manufacturing method |
| EP91903366A EP0468016B1 (en) | 1990-02-09 | 1991-02-11 | Process for preparing kraft pulp |
| DE69121332T DE69121332T2 (en) | 1990-02-09 | 1991-02-11 | METHOD FOR PRODUCING POWERS |
| ES91903366T ES2091319T3 (en) | 1990-02-09 | 1991-02-11 | PROCESS TO PREPARE KRAFT PASTA. |
| NO913873A NO178935C (en) | 1990-02-09 | 1991-10-02 | Process for the production of cogeneration |
| US07794795 US5183535B1 (en) | 1990-02-09 | 1991-11-19 | Process for preparing kraft pulp using black liquor pretreatment reaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI900663A FI93866B (en) | 1990-02-09 | 1990-02-09 | Process for the preparation of sulphate pulp |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI900663A0 FI900663A0 (en) | 1990-02-09 |
| FI900663L true FI900663L (en) | 1991-08-10 |
| FI93866B FI93866B (en) | 1995-02-28 |
Family
ID=8529860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI900663A FI93866B (en) | 1990-02-09 | 1990-02-09 | Process for the preparation of sulphate pulp |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP0468016B1 (en) |
| JP (1) | JP2900091B2 (en) |
| AT (1) | ATE141351T1 (en) |
| AU (1) | AU639304B2 (en) |
| BR (1) | BR9104333A (en) |
| CA (1) | CA2049322C (en) |
| DE (1) | DE69121332T2 (en) |
| ES (1) | ES2091319T3 (en) |
| FI (1) | FI93866B (en) |
| NO (1) | NO178935C (en) |
| NZ (1) | NZ236941A (en) |
| PT (1) | PT96713B (en) |
| WO (1) | WO1991012368A1 (en) |
| ZA (1) | ZA91958B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE469842C (en) * | 1992-01-21 | 1996-01-15 | Sunds Defibrator Ind Ab | Bleaching of chemical pulp with peroxide |
| NZ247276A (en) * | 1992-04-06 | 1994-12-22 | Westvaco Corp | Production of papermaking fibre of low lignin content from recycled high lignin waste paper; mixtures with fresh pulp and products produced therefrom |
| FI970254A7 (en) * | 1997-01-22 | 1998-07-23 | Ahlstrom Machinery Oy | Method and apparatus for cooking pulp |
| FI20002586L (en) * | 2000-11-24 | 2002-05-25 | Metso Paper Inc | Alkaline batch cooking method for fibrous material |
| FI20002587L (en) * | 2000-11-24 | 2002-05-25 | Metso Paper Inc | Alkaline cooking method for fibrous material |
| KR20110123184A (en) | 2010-05-06 | 2011-11-14 | 바히아 스페셜티 셀룰로스 에스에이 | Method and system for producing high alpha dissolving pulp |
| AR091998A1 (en) | 2012-05-03 | 2015-03-18 | Annikki Gmbh | CELLULOSE PREPARATION PROCEDURE WITH LIGNIN LOW CONCENTRATION |
| KR102143773B1 (en) * | 2018-10-25 | 2020-08-12 | 한국세라믹기술원 | Manufacturing method of porous active carbon using lignocellulose biomass and manufacturing method of the supercapacitor usig the active carbon |
| KR102157512B1 (en) * | 2018-11-16 | 2020-09-18 | 한국세라믹기술원 | Manufacturing method of spherical porous active carbon using lignocellulose biomass and manufacturing method of the supercapacitor usig the porous active carbon |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE101369C1 (en) * | ||||
| US1687076A (en) * | 1927-10-12 | 1928-10-09 | Venning D Simons | Process for cooking wood chips by the alkaline process of pulp manufacture |
| US2639987A (en) * | 1947-07-09 | 1953-05-26 | Ass Pulp & Paper Mills | Two-stage pulping process |
| US4578149A (en) * | 1981-03-05 | 1986-03-25 | Fagerlund Bertil K E | Process for digesting cellulosic material with heat recovery |
-
1990
- 1990-02-09 FI FI900663A patent/FI93866B/en not_active IP Right Cessation
-
1991
- 1991-01-30 NZ NZ236941A patent/NZ236941A/en unknown
- 1991-02-08 ZA ZA91958A patent/ZA91958B/en unknown
- 1991-02-08 PT PT96713A patent/PT96713B/en not_active IP Right Cessation
- 1991-02-11 ES ES91903366T patent/ES2091319T3/en not_active Expired - Lifetime
- 1991-02-11 EP EP91903366A patent/EP0468016B1/en not_active Revoked
- 1991-02-11 AU AU72189/91A patent/AU639304B2/en not_active Ceased
- 1991-02-11 JP JP3503756A patent/JP2900091B2/en not_active Expired - Fee Related
- 1991-02-11 AT AT91903366T patent/ATE141351T1/en active
- 1991-02-11 CA CA002049322A patent/CA2049322C/en not_active Expired - Lifetime
- 1991-02-11 WO PCT/FI1991/000043 patent/WO1991012368A1/en not_active Ceased
- 1991-02-11 DE DE69121332T patent/DE69121332T2/en not_active Revoked
- 1991-02-11 BR BR919104333A patent/BR9104333A/en not_active IP Right Cessation
- 1991-10-02 NO NO913873A patent/NO178935C/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI900663A0 (en) | 1990-02-09 |
| ATE141351T1 (en) | 1996-08-15 |
| AU7218991A (en) | 1991-09-03 |
| NO178935B (en) | 1996-03-25 |
| PT96713A (en) | 1991-10-31 |
| ZA91958B (en) | 1991-11-27 |
| FI93866B (en) | 1995-02-28 |
| NZ236941A (en) | 1993-10-26 |
| JP2900091B2 (en) | 1999-06-02 |
| DE69121332D1 (en) | 1996-09-19 |
| NO178935C (en) | 2000-06-26 |
| EP0468016A1 (en) | 1992-01-29 |
| ES2091319T3 (en) | 1996-11-01 |
| PT96713B (en) | 2001-05-31 |
| BR9104333A (en) | 1992-04-21 |
| WO1991012368A1 (en) | 1991-08-22 |
| NO913873L (en) | 1991-10-02 |
| NO913873D0 (en) | 1991-10-02 |
| DE69121332T2 (en) | 1997-03-13 |
| JPH04505485A (en) | 1992-09-24 |
| EP0468016B1 (en) | 1996-08-14 |
| AU639304B2 (en) | 1993-07-22 |
| CA2049322C (en) | 2002-08-20 |
| CA2049322A1 (en) | 1991-08-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | Publication of examined application | ||
| MFD | Revocation of patent following opposition |
Owner name: METSO CHEMICAL PULPING OY |