GB662654A - Improvements relating to the treatment of spent liquors obtained in the cooking of cellulose-containing materials with alkali - Google Patents
Improvements relating to the treatment of spent liquors obtained in the cooking of cellulose-containing materials with alkaliInfo
- Publication number
- GB662654A GB662654A GB2611/49A GB261149A GB662654A GB 662654 A GB662654 A GB 662654A GB 2611/49 A GB2611/49 A GB 2611/49A GB 261149 A GB261149 A GB 261149A GB 662654 A GB662654 A GB 662654A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkali
- lime
- cellulose
- separated
- spent liquor
- 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
- 239000003513 alkali Substances 0.000 title abstract 5
- 239000001913 cellulose Substances 0.000 title abstract 3
- 229920002678 cellulose Polymers 0.000 title abstract 3
- 239000000463 material Substances 0.000 title abstract 3
- 238000010411 cooking Methods 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 4
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 4
- 238000001704 evaporation Methods 0.000 abstract 4
- 239000004571 lime Substances 0.000 abstract 4
- 239000000377 silicon dioxide Substances 0.000 abstract 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 2
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 2
- 241001330002 Bambuseae Species 0.000 abstract 2
- 244000025254 Cannabis sativa Species 0.000 abstract 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 2
- 239000011425 bamboo Substances 0.000 abstract 2
- 239000000292 calcium oxide Substances 0.000 abstract 2
- 235000012255 calcium oxide Nutrition 0.000 abstract 2
- 239000000378 calcium silicate Substances 0.000 abstract 2
- 229910052918 calcium silicate Inorganic materials 0.000 abstract 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 abstract 2
- 230000029087 digestion Effects 0.000 abstract 2
- 230000008020 evaporation Effects 0.000 abstract 2
- 239000000706 filtrate Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 239000002244 precipitate Substances 0.000 abstract 2
- 238000003756 stirring Methods 0.000 abstract 2
- 239000010902 straw Substances 0.000 abstract 2
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
-
- 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 |
|---|---|---|---|
| SE662654X | 1948-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB662654A true GB662654A (en) | 1951-12-12 |
Family
ID=20314380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2611/49A Expired GB662654A (en) | 1948-12-20 | 1949-01-31 | Improvements relating to the treatment of spent liquors obtained in the cooking of cellulose-containing materials with alkali |
Country Status (4)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL102430C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1956-06-18 | 1900-01-01 | ||
| ZA849901B (en) * | 1983-12-23 | 1985-08-28 | North Broken Hill Ltd | Method of improving the purity of alkali-metal hydroxides |
| GB0325578D0 (en) * | 2003-11-03 | 2003-12-03 | Bioregional Minimills Uk Ltd | Method for treating black liquor |
| US20060201641A1 (en) * | 2001-08-07 | 2006-09-14 | Bioregional Minimills (Uk) Limited | Methods for producing pulp and treating black liquor |
| TR201108573T1 (tr) * | 2009-03-06 | 2012-01-23 | Solvay Chemicals, Inc. | Kristal sodyum karbonat, bikarbonat veya sülfit üretiminde katışkıların çıkarılması. |
| US8771622B2 (en) | 2010-05-04 | 2014-07-08 | Solvay Chemicals, Inc. | Impurities removal from waste solids in the production of soda ash, sodium bicarbonate and/or other derivatives |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1560900A (en) * | 1923-10-18 | 1925-11-10 | West Virginia Pulp & Paper Co | Process of treating wate sodium monosulphite liquors |
| GB381697A (en) * | 1931-09-19 | 1932-10-13 | Erik Ludvig Rinman | Method of relieving alkaline waste liquors from the soda or sulphate pulp manufacture, of silica |
| US1992532A (en) * | 1933-08-21 | 1935-02-26 | Walter A Kuhnert | Method of removing dissolved silica from natural alkaline brines |
| FR846776A (fr) * | 1938-04-26 | 1939-09-26 | Procédé de traitement des liqueurs résiduelles en vue de leur transformation en une masse granulaire propre à leur distillation à sec |
-
0
- NL NL71715D patent/NL71715C/xx active
-
1949
- 1949-01-31 GB GB2611/49A patent/GB662654A/en not_active Expired
- 1949-02-01 US US74041A patent/US2628155A/en not_active Expired - Lifetime
- 1949-02-09 FR FR980561D patent/FR980561A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL71715C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| US2628155A (en) | 1953-02-10 |
| FR980561A (fr) | 1951-05-15 |
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