NO752684L - - Google Patents
Info
- Publication number
- NO752684L NO752684L NO75752684A NO752684A NO752684L NO 752684 L NO752684 L NO 752684L NO 75752684 A NO75752684 A NO 75752684A NO 752684 A NO752684 A NO 752684A NO 752684 L NO752684 L NO 752684L
- Authority
- NO
- Norway
- Prior art keywords
- reactors
- reactor
- liquid
- devices
- temperature rise
- Prior art date
Links
- 239000007788 liquid Substances 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 14
- 239000002023 wood Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 239000007853 buffer solution Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 230000029087 digestion Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 2
- 239000007800 oxidant agent Substances 0.000 claims 1
- 239000002002 slurry Substances 0.000 description 9
- 239000001913 cellulose Substances 0.000 description 7
- 229920002678 cellulose Polymers 0.000 description 7
- 239000007789 gas Substances 0.000 description 4
- 238000010411 cooking Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 239000003295 industrial effluent Substances 0.000 description 1
- 239000013055 pulp slurry Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000009279 wet oxidation reaction Methods 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US49455974A | 1974-08-05 | 1974-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO752684L true NO752684L (de) | 1976-02-06 |
Family
ID=23964966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO75752684A NO752684L (de) | 1974-08-05 | 1975-07-30 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5140401A (de) |
| AU (1) | AU8348475A (de) |
| DE (1) | DE2534948A1 (de) |
| FI (1) | FI752204A (de) |
| FR (1) | FR2281455A1 (de) |
| NO (1) | NO752684L (de) |
| SE (1) | SE7508752L (de) |
| ZA (1) | ZA754928B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4259150A (en) * | 1978-12-18 | 1981-03-31 | Kamyr Inc. | Plural stage mixing and thickening oxygen bleaching process |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR887308A (fr) * | 1942-10-28 | 1943-11-10 | Procédé de décreusage de matières fibreuses ou de la cellulose | |
| BE599758A (fr) * | 1960-02-15 | 1961-05-16 | Traitement D Ind Des Bois Et L | Nouvel engrais humifère et procédé d'obtention |
| BE653915A (de) * | 1963-10-04 | 1965-02-01 |
-
1975
- 1975-07-29 AU AU83484/75A patent/AU8348475A/en not_active Expired
- 1975-07-30 NO NO75752684A patent/NO752684L/no unknown
- 1975-07-30 ZA ZA00754928A patent/ZA754928B/xx unknown
- 1975-08-01 SE SE7508752A patent/SE7508752L/xx unknown
- 1975-08-01 FI FI752204A patent/FI752204A/fi not_active Application Discontinuation
- 1975-08-05 FR FR7524441A patent/FR2281455A1/fr active Granted
- 1975-08-05 JP JP50095319A patent/JPS5140401A/ja active Pending
- 1975-08-05 DE DE19752534948 patent/DE2534948A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2534948A1 (de) | 1976-02-19 |
| ZA754928B (en) | 1976-09-29 |
| FI752204A (de) | 1976-02-06 |
| AU8348475A (en) | 1977-02-03 |
| FR2281455A1 (fr) | 1976-03-05 |
| SE7508752L (sv) | 1976-02-06 |
| FR2281455B1 (de) | 1979-05-11 |
| JPS5140401A (de) | 1976-04-05 |
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