NO760666L - Fremgangsm}te ved fremstilling av mekaniske masser. - Google Patents
Fremgangsm}te ved fremstilling av mekaniske masser.Info
- Publication number
- NO760666L NO760666L NO760666A NO760666A NO760666L NO 760666 L NO760666 L NO 760666L NO 760666 A NO760666 A NO 760666A NO 760666 A NO760666 A NO 760666A NO 760666 L NO760666 L NO 760666L
- Authority
- NO
- Norway
- Prior art keywords
- pulp
- mass
- mechanical
- water
- dried
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 19
- 229920001131 Pulp (paper) Polymers 0.000 claims description 22
- 238000010521 absorption reaction Methods 0.000 claims description 16
- 239000000872 buffer Substances 0.000 claims description 13
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- 238000010979 pH adjustment Methods 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 3
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 235000002906 tartaric acid Nutrition 0.000 claims description 3
- 239000011975 tartaric acid Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- 238000011282 treatment Methods 0.000 description 17
- 238000004061 bleaching Methods 0.000 description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 7
- 230000032683 aging Effects 0.000 description 6
- 238000004026 adhesive bonding Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 239000007853 buffer solution Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- 241000218657 Picea Species 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 235000010980 cellulose Nutrition 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000002978 peroxides Chemical class 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000003811 acetone extraction Methods 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- -1 alkali metal salts Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000004182 chemical digestion Methods 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002351 wastewater Substances 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
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical agents
-
- 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
- D21B1/38—Conserving the finely-divided cellulosic material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/14—Making cellulose wadding, filter or blotting paper
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Pressure Sensors (AREA)
- Air Bags (AREA)
Priority Applications (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO760666A NO760666L (no) | 1976-02-27 | 1976-02-27 | Fremgangsm}te ved fremstilling av mekaniske masser. |
| AT108277A AT358917B (de) | 1976-02-27 | 1977-02-17 | Verfahren zum herstellen von trockenem, unge- bleichtem holzschliff |
| DE2707273A DE2707273C2 (de) | 1976-02-27 | 1977-02-19 | Verfahren bei der Herstellung von Holzschliff |
| SE7702073A SE439938B (sv) | 1976-02-27 | 1977-02-24 | Forfarande for framstellning av mekanisk massa |
| CA272,600A CA1103413A (en) | 1976-02-27 | 1977-02-24 | Process for the manufacture of mechanical pulp |
| AU22615/77A AU510167B2 (en) | 1976-02-27 | 1977-02-24 | Mechanical pulp |
| GB8113/77A GB1572519A (en) | 1976-02-27 | 1977-02-25 | Process for the manufacture of mechanical pulp |
| BE175244A BE851814A (fr) | 1976-02-27 | 1977-02-25 | Procede de preparation de pate mecanique |
| FR7705694A FR2342366A1 (fr) | 1976-02-27 | 1977-02-25 | Procede de fabrication de pulpe mecanique et nouveau produit ainsi obtenu |
| DK86477A DK86477A (da) | 1976-02-27 | 1977-02-25 | Fremgangsmade ved fremstilling af mekaniske masser |
| FI770625A FI70442B (fi) | 1976-02-27 | 1977-02-25 | Foerfarande vid framstaellning av mekaniska massor |
| IT12482/77A IT1072075B (it) | 1976-02-27 | 1977-02-25 | Processo per la fabbricazione di pasta meccanica con caratteristiche idrofile |
| NL7702142A NL7702142A (nl) | 1976-02-27 | 1977-02-28 | Werkwijze voor de bereiding van mechanische cellulose halfstof. |
| JP2040077A JPS52124901A (en) | 1976-02-27 | 1977-02-28 | Process for making mechanical pulp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO760666A NO760666L (no) | 1976-02-27 | 1976-02-27 | Fremgangsm}te ved fremstilling av mekaniske masser. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO760666L true NO760666L (no) | 1977-08-30 |
Family
ID=19882745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO760666A NO760666L (no) | 1976-02-27 | 1976-02-27 | Fremgangsm}te ved fremstilling av mekaniske masser. |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS52124901A (da) |
| AT (1) | AT358917B (da) |
| AU (1) | AU510167B2 (da) |
| BE (1) | BE851814A (da) |
| CA (1) | CA1103413A (da) |
| DE (1) | DE2707273C2 (da) |
| DK (1) | DK86477A (da) |
| FI (1) | FI70442B (da) |
| FR (1) | FR2342366A1 (da) |
| GB (1) | GB1572519A (da) |
| IT (1) | IT1072075B (da) |
| NL (1) | NL7702142A (da) |
| NO (1) | NO760666L (da) |
| SE (1) | SE439938B (da) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8002027L (sv) * | 1980-03-14 | 1981-09-15 | Sunds Defibrator | Sett att i samband med tillverkningen av termomekaniska massa forbettra dennas absorptionsegenskaper |
| AU5088885A (en) * | 1985-11-29 | 1987-06-04 | Gippsland Institute of Advanced Education, The | The production of hard compact carbonaceous material through water/acid/alkali treatment |
| US4976819A (en) * | 1988-04-28 | 1990-12-11 | Potlatch Corporation | Pulp treatment methods |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2454534A (en) * | 1940-08-03 | 1948-11-23 | Wood Conversion Co | Process for defibering lignocellulose while subjected to steam and alkali-metal hydroxide |
| FR1199065A (fr) * | 1958-06-10 | 1959-12-11 | Saint Gobain | Perfectionnement au raffinage de la pâte à papier |
| US3186899A (en) * | 1962-09-11 | 1965-06-01 | Minnesota And Outario Paper Co | Groundwood pulp |
| BE792031A (fr) * | 1971-12-14 | 1973-03-16 | Mo Och Domsjoe Ab | Procede pour la preparation de pulpes mecaniques |
| NO136583C (no) * | 1974-09-12 | 1984-06-07 | Papirind Forskningsinst | Mekanisk tremasse med hoey absorpsjonshastighet, samt fremgangsmaate for fremstilling derav |
-
1976
- 1976-02-27 NO NO760666A patent/NO760666L/no unknown
-
1977
- 1977-02-17 AT AT108277A patent/AT358917B/de not_active IP Right Cessation
- 1977-02-19 DE DE2707273A patent/DE2707273C2/de not_active Expired
- 1977-02-24 AU AU22615/77A patent/AU510167B2/en not_active Expired
- 1977-02-24 CA CA272,600A patent/CA1103413A/en not_active Expired
- 1977-02-24 SE SE7702073A patent/SE439938B/xx unknown
- 1977-02-25 GB GB8113/77A patent/GB1572519A/en not_active Expired
- 1977-02-25 FI FI770625A patent/FI70442B/fi not_active Application Discontinuation
- 1977-02-25 IT IT12482/77A patent/IT1072075B/it active
- 1977-02-25 BE BE175244A patent/BE851814A/xx unknown
- 1977-02-25 DK DK86477A patent/DK86477A/da unknown
- 1977-02-25 FR FR7705694A patent/FR2342366A1/fr active Granted
- 1977-02-28 NL NL7702142A patent/NL7702142A/xx not_active Application Discontinuation
- 1977-02-28 JP JP2040077A patent/JPS52124901A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL7702142A (nl) | 1977-08-30 |
| CA1103413A (en) | 1981-06-23 |
| BE851814A (fr) | 1977-06-16 |
| FR2342366A1 (fr) | 1977-09-23 |
| IT1072075B (it) | 1985-04-10 |
| DE2707273C2 (de) | 1984-01-26 |
| DK86477A (da) | 1977-08-28 |
| SE7702073L (sv) | 1977-08-28 |
| JPS52124901A (en) | 1977-10-20 |
| AT358917B (de) | 1980-10-10 |
| FI770625A (da) | 1977-08-28 |
| AU510167B2 (en) | 1980-06-12 |
| AU2261577A (en) | 1978-08-31 |
| GB1572519A (en) | 1980-07-30 |
| ATA108277A (de) | 1980-02-15 |
| DE2707273A1 (de) | 1977-09-01 |
| FI70442B (fi) | 1986-03-27 |
| SE439938B (sv) | 1985-07-08 |
| FR2342366B1 (da) | 1982-03-05 |
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