NO774357L - Fremgangsmaate ved fremstilling av cellulose ved sulfatmetoden - Google Patents
Fremgangsmaate ved fremstilling av cellulose ved sulfatmetodenInfo
- Publication number
- NO774357L NO774357L NO774357A NO774357A NO774357L NO 774357 L NO774357 L NO 774357L NO 774357 A NO774357 A NO 774357A NO 774357 A NO774357 A NO 774357A NO 774357 L NO774357 L NO 774357L
- Authority
- NO
- Norway
- Prior art keywords
- cellulose
- supply
- son
- larav
- bleaching
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title claims description 4
- 239000001913 cellulose Substances 0.000 title claims description 4
- 238000000034 method Methods 0.000 title description 4
- 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
- 238000004061 bleaching Methods 0.000 claims description 8
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims 1
- 241000102542 Kara Species 0.000 claims 1
- MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 claims 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000003801 milling Methods 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 239000011593 sulfur Substances 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- 239000003518 caustics Substances 0.000 description 4
- 150000001805 chlorine compounds Chemical class 0.000 description 4
- 229920003043 Cellulose fiber Polymers 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 241000208140 Acer Species 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 241000689227 Cora <basidiomycete fungus> Species 0.000 description 1
- 108091033322 FsrA Proteins 0.000 description 1
- 240000002329 Inga feuillei Species 0.000 description 1
- 244000178870 Lavandula angustifolia Species 0.000 description 1
- 235000010663 Lavandula angustifolia Nutrition 0.000 description 1
- 240000000233 Melia azedarach Species 0.000 description 1
- 101100166829 Mus musculus Cenpk gene Proteins 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 241000036848 Porzana carolina Species 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 244000309466 calf Species 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000001102 lavandula vera Substances 0.000 description 1
- 235000018219 lavender Nutrition 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000015067 sauces Nutrition 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
- D21C11/0071—Treatment of green or white liquors with gases, e.g. with carbon dioxide for carbonation; Expulsion of gaseous compounds, e.g. hydrogen sulfide, from these liquors by this treatment (stripping); Optional separation of solid compounds formed in the liquors by this treatment
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/02—Oxides of chlorine
- C01B11/022—Chlorine dioxide (ClO2)
- C01B11/023—Preparation from chlorites or chlorates
- C01B11/025—Preparation from chlorites or chlorates from chlorates without any other reaction reducing agent than chloride ions
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
- C01D7/07—Preparation from the hydroxides
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Materials For Medical Uses (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75365676A | 1976-12-22 | 1976-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO774357L true NO774357L (no) | 1978-06-23 |
Family
ID=25031593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO774357A NO774357L (no) | 1976-12-22 | 1977-12-19 | Fremgangsmaate ved fremstilling av cellulose ved sulfatmetoden |
Country Status (12)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8204266L (sv) * | 1982-07-12 | 1984-01-13 | Korsnaes Marma Ab | Forfarande for teckande av kemikalieforlusterna vid massaframstellning |
| FI77064C (fi) * | 1985-04-29 | 1989-01-10 | Tampella Oy Ab | Foerfarande foer kokning och blekning av cellulosa. |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1074111A (en) * | 1964-04-02 | 1967-06-28 | Electric Reduction Co | Processes useful in the manufacture of bleached pulp |
| JPS503801A (enrdf_load_stackoverflow) * | 1973-05-21 | 1975-01-16 | ||
| JPS5013361A (enrdf_load_stackoverflow) * | 1973-06-07 | 1975-02-12 |
-
1977
- 1977-12-13 NZ NZ185958A patent/NZ185958A/xx unknown
- 1977-12-16 AU AU31669/77A patent/AU510914B2/en not_active Expired
- 1977-12-16 MX MX171803A patent/MX148348A/es unknown
- 1977-12-19 NO NO774357A patent/NO774357L/no unknown
- 1977-12-20 FI FI773860A patent/FI67243C/fi not_active IP Right Cessation
- 1977-12-20 JP JP15426577A patent/JPS5381703A/ja active Pending
- 1977-12-21 BR BR7708509A patent/BR7708509A/pt unknown
- 1977-12-21 SE SE7714601A patent/SE435304B/sv unknown
- 1977-12-21 FR FR7738611A patent/FR2396118A1/fr active Granted
- 1977-12-22 DE DE2757474A patent/DE2757474C3/de not_active Expired
- 1977-12-22 SU SU772558158A patent/SU934912A3/ru active
- 1977-12-22 PT PT67443A patent/PT67443B/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI773860A7 (fi) | 1978-06-23 |
| FI67243C (fi) | 1985-02-11 |
| MX148348A (es) | 1983-04-14 |
| JPS5381703A (en) | 1978-07-19 |
| SE435304B (sv) | 1984-09-17 |
| SU934912A3 (ru) | 1982-06-07 |
| AU3166977A (en) | 1979-06-21 |
| DE2757474C3 (de) | 1980-06-19 |
| PT67443B (en) | 1979-05-23 |
| FI67243B (fi) | 1984-10-31 |
| SE7714601L (sv) | 1978-06-23 |
| FR2396118B1 (enrdf_load_stackoverflow) | 1983-01-14 |
| PT67443A (en) | 1978-01-01 |
| DE2757474B2 (de) | 1979-09-13 |
| FR2396118A1 (fr) | 1979-01-26 |
| AU510914B2 (en) | 1980-07-17 |
| BR7708509A (pt) | 1978-09-05 |
| DE2757474A1 (de) | 1978-06-29 |
| NZ185958A (en) | 1979-11-01 |
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