GB742598A - Recovery of cooking liquor from spent semi-chemical pulping liquors - Google Patents
Recovery of cooking liquor from spent semi-chemical pulping liquorsInfo
- Publication number
- GB742598A GB742598A GB3312/53A GB331253A GB742598A GB 742598 A GB742598 A GB 742598A GB 3312/53 A GB3312/53 A GB 3312/53A GB 331253 A GB331253 A GB 331253A GB 742598 A GB742598 A GB 742598A
- Authority
- GB
- United Kingdom
- Prior art keywords
- liquor
- sulphite
- calcium
- sodium
- alkaline
- 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
- 238000010411 cooking Methods 0.000 title 1
- 239000003265 pulping liquor Substances 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- 239000000126 substance Substances 0.000 title 1
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 abstract 6
- 229940043430 calcium compound Drugs 0.000 abstract 3
- 150000001674 calcium compounds Chemical class 0.000 abstract 3
- 235000010265 sodium sulphite Nutrition 0.000 abstract 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 2
- LVGQIQHJMRUCRM-UHFFFAOYSA-L calcium bisulfite Chemical compound [Ca+2].OS([O-])=O.OS([O-])=O LVGQIQHJMRUCRM-UHFFFAOYSA-L 0.000 abstract 2
- 235000010260 calcium hydrogen sulphite Nutrition 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- 238000011065 in-situ storage Methods 0.000 abstract 2
- 230000003647 oxidation Effects 0.000 abstract 2
- 238000007254 oxidation reaction Methods 0.000 abstract 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- 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 abstract 1
- 229920001131 Pulp (paper) Polymers 0.000 abstract 1
- -1 air Chemical compound 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000006227 byproduct Substances 0.000 abstract 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 abstract 1
- 235000010261 calcium sulphite Nutrition 0.000 abstract 1
- 239000004295 calcium sulphite Substances 0.000 abstract 1
- 239000000706 filtrate Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract 1
- 235000011152 sodium sulphate Nutrition 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract 1
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 1
- 239000004291 sulphur dioxide Substances 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
- D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/928—Paper mill waste, e.g. white water, black liquor treated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/03—Papermaking liquor
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US272719A US2750290A (en) | 1952-02-21 | 1952-02-21 | Recovery of cooking liquor from spent semi-chemical pulping liquors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB742598A true GB742598A (en) | 1955-12-30 |
Family
ID=23040975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3312/53A Expired GB742598A (en) | 1952-02-21 | 1953-02-05 | Recovery of cooking liquor from spent semi-chemical pulping liquors |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2750290A (enrdf_load_stackoverflow) |
| BE (1) | BE517582A (enrdf_load_stackoverflow) |
| DE (1) | DE1003031B (enrdf_load_stackoverflow) |
| GB (1) | GB742598A (enrdf_load_stackoverflow) |
| NL (1) | NL96180C (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2802791A (en) * | 1953-09-28 | 1957-08-13 | Paper Chemistry Inst | Treatment of spent sulfite liquor |
| US3298781A (en) * | 1962-02-09 | 1967-01-17 | Mitsubishi Shipbuilding & Eng | Production of sulfites from red mud |
| US3873415A (en) * | 1973-05-03 | 1975-03-25 | Spring Chemicals Ltd | Process for reducing the amount of calcium contained in sodium-base waste sulfite liquor by the use of a sodium and/or an ammonium compound and additional calcium |
| US3962080A (en) * | 1973-10-31 | 1976-06-08 | Industrial Resources, Inc. | Sodium sulfur oxides wastes disposal process |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2598311A (en) * | 1952-05-27 | Manufacture of vanillin | ||
| NL36519C (enrdf_load_stackoverflow) * | 1926-04-21 | 1900-01-01 | ||
| FR642270A (fr) * | 1927-01-21 | 1928-08-25 | Barbou Et Cie Soc | Procédé pour la récupération, par voie chimique, des éléments actifs des lessives résiduaires après cuisson des matières cellulosiques |
| US1815328A (en) * | 1927-11-23 | 1931-07-21 | Brown Co | Process of recovering and utilizing the valuable compounds in spent cooking liquors |
| US1983789A (en) * | 1928-01-23 | 1934-12-11 | Bradley Mckeefe Corp | Production of pulp and treatment of residual liquors, etc. |
| US2029616A (en) * | 1931-01-16 | 1936-02-04 | Patentaktiebolaget Grondal Ram | Process for preparing alkali sulphite or alkali bisulphite solutions from waste liquors obtained in the digestion of cellulose with alkali sulphur compounds |
| US2010077A (en) * | 1932-04-29 | 1935-08-06 | Patentaktiebolaget Grondal Ram | Production of solutions of alkali metal salts of sulphurous acid |
| US2354553A (en) * | 1940-01-10 | 1944-07-25 | Daniel L Sherk | Method of recovering constituents of waste sulphite liquor |
| US2470764A (en) * | 1943-09-23 | 1949-05-24 | Dunbar Thomas Leonidas | Method of treating waste sulfite liquor |
| US2516827A (en) * | 1945-07-09 | 1950-07-25 | Ontario Paper Co Ltd | Method of producing vanillin |
| US2482594A (en) * | 1946-04-01 | 1949-09-20 | Paper Chemistry Inst | Method of preparing phenolic materials from lignin |
| US2528350A (en) * | 1947-06-05 | 1950-10-31 | Hardwood By Products Inc | Two-step digestion of hardwoods |
| FI27541A (fi) * | 1948-06-16 | 1955-03-10 | Aschaffenburger Zellstoffwerke | Förfaringssätt för framställning av vanillin och vanillinderivat |
| US2692291A (en) * | 1950-06-06 | 1954-10-19 | Monsanto Chemicals | Manufacture of vanillin from lignin |
-
0
- BE BE517582D patent/BE517582A/xx unknown
- NL NL96180D patent/NL96180C/xx active
-
1952
- 1952-02-21 US US272719A patent/US2750290A/en not_active Expired - Lifetime
-
1953
- 1953-02-05 GB GB3312/53A patent/GB742598A/en not_active Expired
- 1953-02-17 DE DEST5973A patent/DE1003031B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1003031B (de) | 1957-02-21 |
| US2750290A (en) | 1956-06-12 |
| BE517582A (enrdf_load_stackoverflow) | |
| NL96180C (enrdf_load_stackoverflow) |
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