FI58523C - Foerfarande foer regenerering av avlutar i en massakoknings- och regenereringscykel - Google Patents
Foerfarande foer regenerering av avlutar i en massakoknings- och regenereringscykel Download PDFInfo
- Publication number
- FI58523C FI58523C FI2351/74A FI235174A FI58523C FI 58523 C FI58523 C FI 58523C FI 2351/74 A FI2351/74 A FI 2351/74A FI 235174 A FI235174 A FI 235174A FI 58523 C FI58523 C FI 58523C
- Authority
- FI
- Finland
- Prior art keywords
- sodium
- sodium chloride
- solution
- sulfide
- chloride
- Prior art date
Links
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 446
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 271
- 239000011780 sodium chloride Substances 0.000 claims description 224
- 239000000243 solution Substances 0.000 claims description 200
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 189
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 158
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 155
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 135
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 132
- 235000011152 sodium sulphate Nutrition 0.000 claims description 132
- 238000000034 method Methods 0.000 claims description 98
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 90
- 239000000155 melt Substances 0.000 claims description 61
- 239000000203 mixture Substances 0.000 claims description 46
- 239000007787 solid Chemical group 0.000 claims description 43
- 239000007864 aqueous solution Substances 0.000 claims description 39
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 20
- 239000002244 precipitate Substances 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 16
- 239000008247 solid mixture Substances 0.000 claims description 13
- 238000009835 boiling Methods 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 12
- 239000012452 mother liquor Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- 230000001376 precipitating effect Effects 0.000 claims description 7
- 238000005194 fractionation Methods 0.000 claims description 5
- 238000002386 leaching Methods 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000001172 regenerating effect Effects 0.000 claims description 3
- 238000001640 fractional crystallisation Methods 0.000 claims description 2
- 239000012736 aqueous medium Substances 0.000 claims 2
- 229920003043 Cellulose fiber Polymers 0.000 claims 1
- 239000006227 byproduct Substances 0.000 claims 1
- 239000000356 contaminant Substances 0.000 claims 1
- 230000003134 recirculating effect Effects 0.000 claims 1
- 235000017550 sodium carbonate Nutrition 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 137
- 229940001593 sodium carbonate Drugs 0.000 description 115
- 238000004061 bleaching Methods 0.000 description 51
- 239000001913 cellulose Substances 0.000 description 39
- 229920002678 cellulose Polymers 0.000 description 39
- 239000007844 bleaching agent Substances 0.000 description 34
- 238000000605 extraction Methods 0.000 description 34
- 238000001704 evaporation Methods 0.000 description 32
- 239000011734 sodium Substances 0.000 description 31
- 239000000126 substance Substances 0.000 description 31
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 30
- 238000010411 cooking Methods 0.000 description 28
- 230000008020 evaporation Effects 0.000 description 28
- 229910052708 sodium Inorganic materials 0.000 description 25
- 229910052801 chlorine Inorganic materials 0.000 description 24
- 239000002699 waste material Substances 0.000 description 23
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 22
- 239000000460 chlorine Substances 0.000 description 22
- 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 description 21
- 239000002904 solvent Substances 0.000 description 20
- 230000004048 modification Effects 0.000 description 17
- 238000012986 modification Methods 0.000 description 17
- 238000005406 washing Methods 0.000 description 17
- 239000004155 Chlorine dioxide Substances 0.000 description 15
- 235000019398 chlorine dioxide Nutrition 0.000 description 15
- 238000011084 recovery Methods 0.000 description 12
- 230000008929 regeneration Effects 0.000 description 12
- 238000011069 regeneration method Methods 0.000 description 12
- 239000002351 wastewater Substances 0.000 description 10
- 239000012535 impurity Substances 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 235000011941 Tilia x europaea Nutrition 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 125000001309 chloro group Chemical group Cl* 0.000 description 5
- 239000004571 lime Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 150000003464 sulfur compounds Chemical class 0.000 description 5
- 239000003929 acidic solution Substances 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 230000000284 resting effect Effects 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 3
- 238000009993 causticizing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 125000004436 sodium atom Chemical group 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 2
- -1 Alkali metal salts Chemical class 0.000 description 2
- NHYCGSASNAIGLD-UHFFFAOYSA-N Chlorine monoxide Chemical compound Cl[O] NHYCGSASNAIGLD-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 229910052936 alkali metal sulfate Inorganic materials 0.000 description 2
- 229910052977 alkali metal sulfide Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 235000012907 honey Nutrition 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 229920001021 polysulfide Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 2
- 235000019345 sodium thiosulphate Nutrition 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 239000004133 Sodium thiosulphate Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical class [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000002894 chemical waste Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- MQRJBSHKWOFOGF-UHFFFAOYSA-L disodium;carbonate;hydrate Chemical compound O.[Na+].[Na+].[O-]C([O-])=O MQRJBSHKWOFOGF-UHFFFAOYSA-L 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 150000003385 sodium Chemical class 0.000 description 1
- 235000015424 sodium Nutrition 0.000 description 1
- 229940076133 sodium carbonate monohydrate Drugs 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-N sodium polysulfide Chemical compound [Na+].S HYHCSLBZRBJJCH-UHFFFAOYSA-N 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 210000004885 white matter Anatomy 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
- D21C11/0042—Fractionating or concentration of spent liquors by special methods
-
- 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
- D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
-
- 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)
- Noodles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3741373 | 1973-08-07 | ||
| GB3741373 | 1973-08-07 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI235174A7 FI235174A7 (enrdf_load_stackoverflow) | 1975-02-08 |
| FI58523B FI58523B (fi) | 1980-10-31 |
| FI58523C true FI58523C (fi) | 1981-02-10 |
Family
ID=10396310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI2351/74A FI58523C (fi) | 1973-08-07 | 1974-08-07 | Foerfarande foer regenerering av avlutar i en massakoknings- och regenereringscykel |
Country Status (4)
| Country | Link |
|---|---|
| ES (1) | ES429003A1 (enrdf_load_stackoverflow) |
| FI (1) | FI58523C (enrdf_load_stackoverflow) |
| NO (1) | NO742827L (enrdf_load_stackoverflow) |
| SE (1) | SE403633B (enrdf_load_stackoverflow) |
-
1974
- 1974-08-05 NO NO742827A patent/NO742827L/no unknown
- 1974-08-06 SE SE7410086A patent/SE403633B/xx unknown
- 1974-08-06 ES ES429003A patent/ES429003A1/es not_active Expired
- 1974-08-07 FI FI2351/74A patent/FI58523C/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| NO742827L (enrdf_load_stackoverflow) | 1975-03-03 |
| SE403633B (sv) | 1978-08-28 |
| FI58523B (fi) | 1980-10-31 |
| ES429003A1 (es) | 1976-08-16 |
| FI235174A7 (enrdf_load_stackoverflow) | 1975-02-08 |
| SE7410086L (enrdf_load_stackoverflow) | 1975-02-10 |
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