BE393035A - - Google Patents
Info
- Publication number
- BE393035A BE393035A BE393035DA BE393035A BE 393035 A BE393035 A BE 393035A BE 393035D A BE393035D A BE 393035DA BE 393035 A BE393035 A BE 393035A
- 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
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
- C01B17/762—High pressure processes
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- 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
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
- G04C3/06—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance
- G04C3/061—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance the balance controlling contacts and mechanically driving the gear-train
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEM118069D DE606235C (en) | 1931-12-19 | 1931-12-19 | Process for the production of sulfuric acid by the contact process |
| DEM118745D DE610448C (en) | 1931-12-19 | 1932-02-14 | Process for the production of sulfuric acid by the contact process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE393035A true BE393035A (en) | 1933-01-31 |
Family
ID=7328958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE393035D BE393035A (en) | 1931-12-19 | 1932-12-13 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE393035A (en) |
| DE (3) | DE606235C (en) |
| FR (1) | FR747516A (en) |
| GB (2) | GB406116A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE971801C (en) * | 1950-12-13 | 1959-04-02 | Zieren Chemiebau Gmbh Dr A | Process for regulating the temperature of the cooling surfaces of a contact apparatus for the production of sulfuric acid |
| DE971997C (en) * | 1951-03-04 | 1959-05-06 | Zieren Chemiebau Gmbh Dr A | Process for the separation of sulfuric acid vapors from gases of hydrogen sulfide combustion |
| DE1089734B (en) * | 1958-03-19 | 1960-09-29 | Rheinpreussen Ag | Process for the production of nitrous-free sulfuric acid in wet catalysis plants |
| CN115124179B (en) * | 2022-07-29 | 2023-05-26 | 江苏荣信环保科技有限公司 | Treatment process of waste sulfuric acid |
-
1931
- 1931-12-19 DE DEM118069D patent/DE606235C/en not_active Expired
-
1932
- 1932-02-14 DE DEM118745D patent/DE610448C/en not_active Expired
- 1932-06-23 DE DEM120186D patent/DE610449C/en not_active Expired
- 1932-12-13 BE BE393035D patent/BE393035A/xx unknown
- 1932-12-14 FR FR747516D patent/FR747516A/en not_active Expired
- 1932-12-19 GB GB3594232A patent/GB406116A/en not_active Expired
-
1934
- 1934-02-14 GB GB495734A patent/GB411793A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE610449C (en) | 1935-03-11 |
| GB406116A (en) | 1934-02-22 |
| DE610448C (en) | 1935-03-11 |
| FR747516A (en) | 1933-06-16 |
| DE606235C (en) | 1934-11-28 |
| GB411793A (en) | 1934-06-14 |