NO118203B - - Google Patents
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- Publication number
- NO118203B NO118203B NO158553A NO15855365A NO118203B NO 118203 B NO118203 B NO 118203B NO 158553 A NO158553 A NO 158553A NO 15855365 A NO15855365 A NO 15855365A NO 118203 B NO118203 B NO 118203B
- Authority
- NO
- Norway
- Prior art keywords
- cooking
- liquid
- boiling
- tile
- temperature
- Prior art date
Links
- 238000010411 cooking Methods 0.000 claims description 64
- 239000007788 liquid Substances 0.000 claims description 63
- 239000000126 substance Substances 0.000 claims description 41
- 238000009835 boiling Methods 0.000 claims description 30
- 239000002023 wood Substances 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 239000003513 alkali Substances 0.000 claims description 8
- 229920002678 cellulose Polymers 0.000 claims description 4
- 239000001913 cellulose Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000005470 impregnation Methods 0.000 description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 238000005406 washing Methods 0.000 description 13
- 230000001105 regulatory effect Effects 0.000 description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 5
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 description 4
- 241000218657 Picea Species 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 229920005610 lignin Polymers 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000011551 heat transfer agent Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 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
- D21C3/22—Other features of pulping processes
Landscapes
- Paper (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA905578 | 1964-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO118203B true NO118203B (fi) | 1969-11-24 |
Family
ID=4142020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO158553A NO118203B (fi) | 1964-06-20 | 1965-06-17 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3448002A (fi) |
| DE (1) | DE1517163A1 (fi) |
| FI (1) | FI44742B (fi) |
| NO (1) | NO118203B (fi) |
| SE (1) | SE310454B (fi) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3650888A (en) * | 1970-06-11 | 1972-03-21 | Combustion Eng | Pollution controlled polysulfide recovery process |
| CH552716A (fr) * | 1972-03-06 | 1974-08-15 | Promotion Et D Exploit Ind De | Procede d'obtention de la cellulose a partir de matieres premieres ligno-cellulosiques. |
| US4155805A (en) * | 1978-01-19 | 1979-05-22 | Kamyr Aktiebolag | Method for continuously digesting cellulosic fiber by evenly spreading the fiber material over the digestion vessel with steam |
| WO2004106624A1 (en) * | 2003-06-03 | 2004-12-09 | Pacific Pulp Resources Inc. | Method for producing pulp and lignin |
| FI120547B (fi) * | 2004-10-04 | 2009-11-30 | Metso Paper Inc | Alkalinen keittomenetelmä ja laitteisto massan valmistamiseksi |
| US7383642B1 (en) * | 2004-12-01 | 2008-06-10 | Sustainable Communities | Apparatus and method for the treatment and preservation of wood materials |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3035963A (en) * | 1958-02-19 | 1962-05-22 | Lummus Co | Process for the continuous digestion of cellulosic materials |
-
1965
- 1965-06-14 US US463594A patent/US3448002A/en not_active Expired - Lifetime
- 1965-06-17 FI FI1455/65A patent/FI44742B/fi active
- 1965-06-17 NO NO158553A patent/NO118203B/no unknown
- 1965-06-18 SE SE8082/65A patent/SE310454B/xx unknown
- 1965-06-21 DE DE19651517163 patent/DE1517163A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1517163A1 (de) | 1969-09-04 |
| SE310454B (fi) | 1969-04-28 |
| US3448002A (en) | 1969-06-03 |
| FI44742B (fi) | 1971-08-31 |
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