NL71715C - - Google Patents
Info
- Publication number
- NL71715C NL71715C NL71715DA NL71715C NL 71715 C NL71715 C NL 71715C NL 71715D A NL71715D A NL 71715DA NL 71715 C NL71715 C NL 71715C
- Authority
- NL
- Netherlands
Links
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE662654X | 1948-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL71715C true NL71715C (en:Method) |
Family
ID=20314380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL71715D NL71715C (en:Method) | 1948-12-20 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2628155A (en:Method) |
| FR (1) | FR980561A (en:Method) |
| GB (1) | GB662654A (en:Method) |
| NL (1) | NL71715C (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL218212A (en:Method) * | 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 |
| US8337571B2 (en) * | 2009-03-06 | 2012-12-25 | Solvay Chemicals, Inc. | Removal of impurities in the production of crystalline sodium carbonate, bicarbonate, or sulfite |
| CN103025660A (zh) | 2010-05-04 | 2013-04-03 | 索尔维化学有限公司 | 从生产苏打灰、碳酸氢钠和/或其他衍生物的废料固体中去除杂质 |
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 |
|---|---|
| US2628155A (en) | 1953-02-10 |
| FR980561A (fr) | 1951-05-15 |
| GB662654A (en) | 1951-12-12 |