CA1320067C - Method of making mechanical and chemi-mechanical papermaking pulp - Google Patents
Method of making mechanical and chemi-mechanical papermaking pulpInfo
- Publication number
- CA1320067C CA1320067C CA000598482A CA598482A CA1320067C CA 1320067 C CA1320067 C CA 1320067C CA 000598482 A CA000598482 A CA 000598482A CA 598482 A CA598482 A CA 598482A CA 1320067 C CA1320067 C CA 1320067C
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- ton
- kwh
- beating
- mechanical
- 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 - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 40
- 238000010009 beating Methods 0.000 claims abstract description 29
- 239000002023 wood Substances 0.000 claims abstract description 26
- 239000002253 acid Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 229920005610 lignin Polymers 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000005265 energy consumption Methods 0.000 abstract description 37
- 230000002542 deteriorative effect Effects 0.000 abstract description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 10
- 229920001131 Pulp (paper) Polymers 0.000 description 9
- 239000000835 fiber Substances 0.000 description 8
- 238000007670 refining Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 5
- 235000010265 sodium sulphite Nutrition 0.000 description 5
- 241000218657 Picea Species 0.000 description 4
- 238000000149 argon plasma sintering Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical group OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241000905957 Channa melasoma Species 0.000 description 1
- 101100298048 Mus musculus Pmp22 gene Proteins 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229940083608 sodium hydroxide Drugs 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical agents
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8801731A SE461103B (sv) | 1988-05-06 | 1988-05-06 | Framstaellning av mekanisk och kemimekanisk massa i tvaa steg |
| SE8801731-4 | 1988-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1320067C true CA1320067C (en) | 1993-07-13 |
Family
ID=20372264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000598482A Expired - Fee Related CA1320067C (en) | 1988-05-06 | 1989-05-02 | Method of making mechanical and chemi-mechanical papermaking pulp |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0413736B1 (fi) |
| JP (1) | JPH03504256A (fi) |
| CA (1) | CA1320067C (fi) |
| DE (1) | DE68909231T2 (fi) |
| FI (1) | FI91787C (fi) |
| SE (1) | SE461103B (fi) |
| WO (1) | WO1989010998A1 (fi) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9002039D0 (sv) * | 1990-06-07 | 1990-06-07 | Svenska Traeforskningsinst | Saett att framstaella massa |
| US5853534A (en) * | 1992-12-30 | 1998-12-29 | Sunds Defibrator Industries Ab | Method of producing pulp with high yield using a two-stage refining system operating at different temperatures |
| US6899791B2 (en) | 1997-08-08 | 2005-05-31 | Andritz Inc. | Method of pretreating lignocellulose fiber-containing material in a pulp refining process |
| US8734611B2 (en) * | 2008-03-12 | 2014-05-27 | Andritz Inc. | Medium consistency refining method of pulp and system |
| SE540961C2 (en) * | 2016-05-23 | 2019-01-29 | Holmen Ab | Method of providing a paper fibre composition by combining chemical and mechanical pulping |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE409476B (sv) * | 1978-02-17 | 1979-08-20 | Sca Development Ab | Sett for fraffinering av lignocellulosahaltigt material |
| JPS564791A (en) * | 1979-06-18 | 1981-01-19 | Kogyo Gijutsuin | Bleaching of mechanical pulp |
| CA1246374A (en) * | 1983-10-24 | 1988-12-13 | Steve Rowland | Two stage high consistency refiner |
| SE456826B (sv) * | 1986-04-18 | 1988-11-07 | Svenska Traeforskningsinst | Saett att reducera energikonsumtionen vid raffinering av cellulosahaltigt material |
-
1988
- 1988-05-06 SE SE8801731A patent/SE461103B/sv not_active IP Right Cessation
-
1989
- 1989-04-05 EP EP19890905472 patent/EP0413736B1/en not_active Expired - Lifetime
- 1989-04-05 JP JP50517689A patent/JPH03504256A/ja active Pending
- 1989-04-05 WO PCT/SE1989/000172 patent/WO1989010998A1/en active IP Right Grant
- 1989-04-05 DE DE89905472T patent/DE68909231T2/de not_active Expired - Fee Related
- 1989-05-02 CA CA000598482A patent/CA1320067C/en not_active Expired - Fee Related
-
1990
- 1990-11-05 FI FI905482A patent/FI91787C/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE8801731L (sv) | 1989-11-07 |
| DE68909231D1 (de) | 1993-10-21 |
| WO1989010998A1 (en) | 1989-11-16 |
| SE8801731D0 (sv) | 1988-05-06 |
| FI91787B (fi) | 1994-04-29 |
| EP0413736A1 (en) | 1991-02-27 |
| JPH03504256A (ja) | 1991-09-19 |
| SE461103B (sv) | 1990-01-08 |
| EP0413736B1 (en) | 1993-09-15 |
| FI91787C (fi) | 1994-08-10 |
| FI905482A0 (fi) | 1990-11-05 |
| DE68909231T2 (de) | 1994-04-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |