GB656283A - Method of recovering sodium salts in the manufacture of cellulose by digestion according to the sodium sulphite and/or sodium bisulphite methods - Google Patents
Method of recovering sodium salts in the manufacture of cellulose by digestion according to the sodium sulphite and/or sodium bisulphite methodsInfo
- Publication number
- GB656283A GB656283A GB26306/48A GB2630648A GB656283A GB 656283 A GB656283 A GB 656283A GB 26306/48 A GB26306/48 A GB 26306/48A GB 2630648 A GB2630648 A GB 2630648A GB 656283 A GB656283 A GB 656283A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sodium
- liquor
- bicarbonate
- molten mass
- cellulose
- 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 3
- 229920002678 cellulose Polymers 0.000 title abstract 2
- 239000001913 cellulose Substances 0.000 title abstract 2
- 230000029087 digestion Effects 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 159000000000 sodium salts Chemical class 0.000 title abstract 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 title 2
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 title 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 title 1
- 239000004289 sodium hydrogen sulphite Substances 0.000 title 1
- 235000010265 sodium sulphite Nutrition 0.000 title 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 abstract 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 2
- 239000001569 carbon dioxide Substances 0.000 abstract 2
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract 1
- 239000004291 sulphur dioxide Substances 0.000 abstract 1
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE276426X | 1947-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB656283A true GB656283A (en) | 1951-08-15 |
Family
ID=20306897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB26306/48A Expired GB656283A (en) | 1947-07-24 | 1948-10-08 | Method of recovering sodium salts in the manufacture of cellulose by digestion according to the sodium sulphite and/or sodium bisulphite methods |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE484040A (enrdf_load_stackoverflow) |
| CH (1) | CH276426A (enrdf_load_stackoverflow) |
| FR (1) | FR1078904A (enrdf_load_stackoverflow) |
| GB (1) | GB656283A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1061613B (de) * | 1955-07-14 | 1959-07-16 | Stora Kopparbergs Bergslags Ab | Verfahren zum Regenerieren von Alkalisulfit- oder Alkalibisulfitzellstoffablaugen |
| DE1119645B (de) * | 1957-01-31 | 1961-12-14 | Escher Wyss Gmbh | Verfahren zur Entfernung von Kieselsaeure aus alkalischen Ablaugen der Zellstoffindustrie |
| DE1092760B (de) * | 1958-05-20 | 1960-11-10 | Metallgesellschaft Ag | Verfahren zur Rueckgewinnung des Alkalis und Schwefels und gegebenenfalls der Kohlensaeure aus natriumsulfid- und gegebenenfalls karbonat- oder bikarbonathaltigen Loesungen, insbesondere aus Gruenlaugen der Zellstoffindustrie |
| DE1131080B (de) * | 1960-02-19 | 1962-06-07 | Metallgesellschaft Ag | Verfahren zur Wiedergewinnung von Natrium- und Schwefelverbindungen aus Sulfitzellstoffablaugen durch Eindampfen und Verbrennen der Ablaugen |
-
0
- BE BE484040D patent/BE484040A/xx unknown
-
1948
- 1948-07-07 CH CH276426D patent/CH276426A/de unknown
- 1948-07-13 FR FR1078904D patent/FR1078904A/fr not_active Expired
- 1948-10-08 GB GB26306/48A patent/GB656283A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE484040A (enrdf_load_stackoverflow) | |
| FR1078904A (fr) | 1954-11-24 |
| CH276426A (de) | 1951-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES406540A1 (es) | Procedimiento para la eliminacion de so3 yn0 neblinas de acido sulfurico desde gases finales secos. | |
| GB656283A (en) | Method of recovering sodium salts in the manufacture of cellulose by digestion according to the sodium sulphite and/or sodium bisulphite methods | |
| US1864619A (en) | Cyclic process of fiber liberation | |
| US2792350A (en) | Treatment of sodium base sulfite residual liquor | |
| US2496550A (en) | Methods of recovering chemicals in | |
| GB815247A (en) | Bleaching woob pulps | |
| US2611682A (en) | Methods of recovering hydrogen sulfide from sulfide containing soda liquors obtainedin cellulose production | |
| US1638492A (en) | Method for the production of anhydrous sodium bisulphite | |
| US1788555A (en) | Method of preparing cellulose pulp | |
| US1545522A (en) | Process of making wood pulp | |
| GB345873A (en) | Process for obtaining sulphuretted hydrogen from aqueous solutions of alkali carbonate, alkali bicarbonate and alkali hydrosulphide | |
| GB418255A (en) | Improvements in or relating to the production of pure carbon dioxide and pure sulphur dioxide | |
| US1898612A (en) | Manufacture of pulp and paper | |
| GB742598A (en) | Recovery of cooking liquor from spent semi-chemical pulping liquors | |
| GB650341A (en) | Method for the production of amido sulphonic acid | |
| US1781733A (en) | Cyclic process of fiber liberation | |
| SU108587A1 (ru) | Способ получени 2-меркаптобензимидазола | |
| GB223572A (en) | Process for the commercial production of pure oxide of zirconium | |
| GB460281A (en) | Improvements in or relating to the production of potassium sulphate | |
| GB427894A (en) | Improvements in or relating to the recovery of organic constituents present in blackliquor in making paper by the caustic soda process | |
| GB1441422A (en) | Process for working up the wash solution obtained in the washing ofso2-containing gas with aqueous ammonium sulphite solution | |
| GB372336A (en) | Improved manufacture of carbon | |
| SU40476A1 (ru) | Способ получени сернистых красителей | |
| Christiansen et al. | Purifying Sodium Hydrosulfite: A Modification of Jellinek's Method | |
| US1427125A (en) | Process of fiber liberation |