BE694012A - - Google Patents
Info
- Publication number
- BE694012A BE694012A BE694012DA BE694012A BE 694012 A BE694012 A BE 694012A BE 694012D A BE694012D A BE 694012DA BE 694012 A BE694012 A BE 694012A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/60—Isolation of sulfur dioxide from gases
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR46938A FR1492843A (fr) | 1966-02-14 | 1966-02-14 | Procédé de récupération et de valorisation de l'anhydride sulfureux |
| US62620067A | 1967-03-27 | 1967-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE694012A true BE694012A (es) | 1967-07-17 |
Family
ID=26235527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE694012D BE694012A (es) | 1966-02-14 | 1967-02-13 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3431072A (es) |
| BE (1) | BE694012A (es) |
| DE (1) | DE1667672B2 (es) |
| FR (1) | FR1492843A (es) |
| GB (1) | GB1143847A (es) |
| NL (1) | NL6701826A (es) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3630672A (en) * | 1969-03-14 | 1971-12-28 | Tennesee Valley Authority | Use of potassium polyphosphate in so{11 {0 recovery from stack gases |
| US3969492A (en) * | 1973-10-29 | 1976-07-13 | U.S. Filter Corporation | Recovery of elemental sulfur from sulfur dioxide bearing waste gases |
| US3960687A (en) * | 1973-10-29 | 1976-06-01 | U.S. Filter Corporation | Electrostatically enhanced removal of sulfur dioxide from gaseous carriers |
| US4080423A (en) * | 1974-04-17 | 1978-03-21 | Massachusetts Institute Of Technology | Gas absorption |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE19045E (en) * | 1934-01-16 | Method of treating phosphate rock | ||
| 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 |
| US3391996A (en) * | 1965-05-07 | 1968-07-09 | Pullman Inc | Phosphoric acid process |
-
1966
- 1966-02-14 FR FR46938A patent/FR1492843A/fr not_active Expired
-
1967
- 1967-02-07 NL NL6701826A patent/NL6701826A/xx unknown
- 1967-02-13 BE BE694012D patent/BE694012A/xx not_active IP Right Cessation
- 1967-02-13 DE DE1967P0041407 patent/DE1667672B2/de active Granted
- 1967-02-14 GB GB706167A patent/GB1143847A/en not_active Expired
- 1967-03-27 US US626200A patent/US3431072A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1667672B2 (de) | 1976-10-07 |
| DE1667672A1 (de) | 1972-07-27 |
| US3431072A (en) | 1969-03-04 |
| FR1492843A (fr) | 1967-08-25 |
| GB1143847A (es) | 1969-02-26 |
| NL6701826A (es) | 1967-08-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: PROGIL Effective date: 19840213 |