ES429003A1 - Un procedimiento para fabricas de pasta de madera. - Google Patents
Un procedimiento para fabricas de pasta de madera.Info
- Publication number
- ES429003A1 ES429003A1 ES429003A ES429003A ES429003A1 ES 429003 A1 ES429003 A1 ES 429003A1 ES 429003 A ES429003 A ES 429003A ES 429003 A ES429003 A ES 429003A ES 429003 A1 ES429003 A1 ES 429003A1
- Authority
- ES
- Spain
- Prior art keywords
- sodium
- pulp
- sodium chloride
- liquor
- aqueous solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title abstract 2
- 235000015927 pasta Nutrition 0.000 title 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 6
- 239000011780 sodium chloride Substances 0.000 abstract 6
- 239000007864 aqueous solution Substances 0.000 abstract 5
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 abstract 5
- 238000004061 bleaching Methods 0.000 abstract 4
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 4
- 229910052979 sodium sulfide Inorganic materials 0.000 abstract 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 3
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract 3
- 235000011152 sodium sulphate Nutrition 0.000 abstract 3
- 238000000746 purification Methods 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- 239000008247 solid mixture Substances 0.000 abstract 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- 229920001131 Pulp (paper) Polymers 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000007844 bleaching agent Substances 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000004537 pulping Methods 0.000 abstract 1
- 238000011403 purification operation Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3741373 | 1973-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES429003A1 true ES429003A1 (es) | 1976-08-16 |
Family
ID=10396310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES429003A Expired ES429003A1 (es) | 1973-08-07 | 1974-08-06 | Un procedimiento para fabricas de pasta de madera. |
Country Status (4)
| Country | Link |
|---|---|
| ES (1) | ES429003A1 (sv) |
| FI (1) | FI58523C (sv) |
| NO (1) | NO742827L (sv) |
| SE (1) | SE403633B (sv) |
-
1974
- 1974-08-05 NO NO742827A patent/NO742827L/no unknown
- 1974-08-06 ES ES429003A patent/ES429003A1/es not_active Expired
- 1974-08-06 SE SE7410086A patent/SE403633B/sv unknown
- 1974-08-07 FI FI2351/74A patent/FI58523C/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| SE7410086L (sv) | 1975-02-10 |
| FI58523B (fi) | 1980-10-31 |
| FI58523C (fi) | 1981-02-10 |
| SE403633B (sv) | 1978-08-28 |
| FI235174A (sv) | 1975-02-08 |
| NO742827L (sv) | 1975-03-03 |
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