NO762084L - - Google Patents
Info
- Publication number
- NO762084L NO762084L NO762084A NO762084A NO762084L NO 762084 L NO762084 L NO 762084L NO 762084 A NO762084 A NO 762084A NO 762084 A NO762084 A NO 762084A NO 762084 L NO762084 L NO 762084L
- Authority
- NO
- Norway
- Prior art keywords
- sulfur
- sodium
- solution
- digestion
- sulfur dioxide
- Prior art date
Links
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 80
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 74
- 238000000034 method Methods 0.000 claims description 65
- 239000011593 sulfur Substances 0.000 claims description 46
- 229910052717 sulfur Inorganic materials 0.000 claims description 45
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 40
- 239000000126 substance Substances 0.000 claims description 35
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 239000004155 Chlorine dioxide Substances 0.000 claims description 20
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 20
- 238000004061 bleaching Methods 0.000 claims description 19
- 239000003546 flue gas Substances 0.000 claims description 18
- 230000029087 digestion Effects 0.000 claims description 17
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 16
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 16
- 239000011734 sodium Substances 0.000 claims description 16
- 229910052708 sodium Inorganic materials 0.000 claims description 16
- 239000001913 cellulose Substances 0.000 claims description 13
- 229920002678 cellulose Polymers 0.000 claims description 13
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
- 239000005864 Sulphur Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 238000004064 recycling Methods 0.000 claims description 8
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- -1 alkali metal chlorate Chemical class 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 6
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims description 5
- 238000004090 dissolution Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- XTEGARKTQYYJKE-UHFFFAOYSA-M chlorate Inorganic materials [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims description 2
- 230000008929 regeneration Effects 0.000 claims description 2
- 238000011069 regeneration method Methods 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 33
- 239000000243 solution Substances 0.000 description 27
- 239000002253 acid Substances 0.000 description 15
- 229920001021 polysulfide Polymers 0.000 description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 9
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- 238000010411 cooking Methods 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000005077 polysulfide Substances 0.000 description 4
- 150000008117 polysulfides Polymers 0.000 description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 description 4
- 235000011152 sodium sulphate Nutrition 0.000 description 4
- 229910021653 sulphate ion Inorganic materials 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 239000003929 acidic solution Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004460 silage Substances 0.000 description 2
- 229910052979 sodium sulfide Inorganic materials 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 150000003463 sulfur Chemical class 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 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
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
Landscapes
- Paper (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7506965A SE391357B (sv) | 1975-06-17 | 1975-06-17 | Forfarande for minskning av behovet av ferska kemikalier vid uppslutning av cellulosahaltigt material med natrium- och svavelhaltiga losningar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO762084L true NO762084L (zh) | 1976-12-20 |
Family
ID=20324897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO762084A NO762084L (zh) | 1975-06-17 | 1976-06-16 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5215602A (zh) |
| BR (1) | BR7603905A (zh) |
| CA (1) | CA1076306A (zh) |
| FI (1) | FI57796C (zh) |
| FR (1) | FR2314965A1 (zh) |
| NO (1) | NO762084L (zh) |
| NZ (1) | NZ181025A (zh) |
| SE (1) | SE391357B (zh) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE411772B (sv) * | 1978-04-07 | 1980-02-04 | Sca Development Ab | Sett for minskning av utsleppen till recipient och atmosfer vid uppslutning av cellulosahaltigt material |
| JPS5611990A (en) * | 1979-07-03 | 1981-02-05 | Tomoyasu Noritake | Combustion improver for fuel in internal combustion engine |
| CA1224628A (en) * | 1982-12-09 | 1987-07-28 | Union Carbide Corporation | Diesel fuels |
| JPS59202293A (ja) * | 1983-04-28 | 1984-11-16 | Nippon Synthetic Chem Ind Co Ltd:The | 燃料組成物の製造方法 |
| JPS6330593A (ja) * | 1986-07-24 | 1988-02-09 | Kotobuki Senpaku Shoji:Kk | 燃油改質方法 |
| JP4230612B2 (ja) * | 1999-05-28 | 2009-02-25 | 日本製紙株式会社 | クラフト法パルプ製造プロセスにおける薬品回収方法 |
-
1975
- 1975-06-17 SE SE7506965A patent/SE391357B/xx not_active IP Right Cessation
-
1976
- 1976-05-28 FI FI761523A patent/FI57796C/fi not_active IP Right Cessation
- 1976-05-28 JP JP51062872A patent/JPS5215602A/ja active Granted
- 1976-06-01 NZ NZ181025A patent/NZ181025A/xx unknown
- 1976-06-11 FR FR7617861A patent/FR2314965A1/fr active Granted
- 1976-06-16 BR BR7603905A patent/BR7603905A/pt unknown
- 1976-06-16 NO NO762084A patent/NO762084L/no unknown
- 1976-06-17 CA CA255,107A patent/CA1076306A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BR7603905A (pt) | 1977-04-05 |
| CA1076306A (en) | 1980-04-29 |
| FI761523A (zh) | 1976-12-18 |
| FR2314965B1 (zh) | 1980-10-17 |
| JPS5215602A (en) | 1977-02-05 |
| SE7506965L (sv) | 1976-12-18 |
| FR2314965A1 (fr) | 1977-01-14 |
| SE391357B (sv) | 1977-02-14 |
| JPS5325042B2 (zh) | 1978-07-25 |
| FI57796C (fi) | 1980-10-10 |
| NZ181025A (en) | 1978-04-28 |
| FI57796B (fi) | 1980-06-30 |
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