FR2449647A1 - Perfectionnement au procede de concentration d'acide sulfurique jusqu'a une teneur elevee, en partant d'acide pur ou impur - Google Patents
Perfectionnement au procede de concentration d'acide sulfurique jusqu'a une teneur elevee, en partant d'acide pur ou impurInfo
- Publication number
- FR2449647A1 FR2449647A1 FR7904870A FR7904870A FR2449647A1 FR 2449647 A1 FR2449647 A1 FR 2449647A1 FR 7904870 A FR7904870 A FR 7904870A FR 7904870 A FR7904870 A FR 7904870A FR 2449647 A1 FR2449647 A1 FR 2449647A1
- Authority
- FR
- France
- Prior art keywords
- acid
- contact
- susceptor
- heating
- sulphuric acid
- 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.)
- Granted
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
- C01B17/88—Concentration of sulfuric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7904870A FR2449647A1 (fr) | 1979-02-26 | 1979-02-26 | Perfectionnement au procede de concentration d'acide sulfurique jusqu'a une teneur elevee, en partant d'acide pur ou impur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7904870A FR2449647A1 (fr) | 1979-02-26 | 1979-02-26 | Perfectionnement au procede de concentration d'acide sulfurique jusqu'a une teneur elevee, en partant d'acide pur ou impur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2449647A1 true FR2449647A1 (fr) | 1980-09-19 |
| FR2449647B1 FR2449647B1 (enrdf_load_stackoverflow) | 1981-10-30 |
Family
ID=9222459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7904870A Granted FR2449647A1 (fr) | 1979-02-26 | 1979-02-26 | Perfectionnement au procede de concentration d'acide sulfurique jusqu'a une teneur elevee, en partant d'acide pur ou impur |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2449647A1 (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0158461A3 (en) * | 1984-03-23 | 1987-01-14 | C-I-L Inc. | Purification and reconcentration of waste sulphuric acid |
| US4663145A (en) * | 1984-09-10 | 1987-05-05 | U.S. Philips Corporation | Device for an method of working up pickling and etching liquids |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2181274A (en) * | 1938-05-11 | 1939-11-28 | Utilities Coordinated Res Inc | Induction heater construction |
| FR1120150A (fr) * | 1955-01-17 | 1956-07-02 | Kestner App Evaporateurs | Procédé de concentration d'acide sulfurique jusqu'à une teneur élevée, en partant d'acide pur ou impur |
| DE972114C (de) * | 1951-02-11 | 1959-05-21 | Carl Dipl-Ing Schoerg | Anordnung zur induktiven Erhitzung stroemender Medien |
| FR1298512A (fr) * | 1961-06-02 | 1962-07-13 | Installation de chauffage électrique | |
| US3053959A (en) * | 1959-12-15 | 1962-09-11 | Richard M Christmann | Apparatus and method for heating fluids |
| FR2339315A1 (fr) * | 1976-01-24 | 1977-08-19 | Nitto Chemical Industry Co Ltd | Appareil de chauffage a induction |
| DE2712728A1 (de) * | 1977-03-23 | 1978-09-28 | Metallgesellschaft Ag | Verfahren und vorrichtung zum erhitzen von gasen oder daempfen |
-
1979
- 1979-02-26 FR FR7904870A patent/FR2449647A1/fr active Granted
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2181274A (en) * | 1938-05-11 | 1939-11-28 | Utilities Coordinated Res Inc | Induction heater construction |
| DE972114C (de) * | 1951-02-11 | 1959-05-21 | Carl Dipl-Ing Schoerg | Anordnung zur induktiven Erhitzung stroemender Medien |
| FR1120150A (fr) * | 1955-01-17 | 1956-07-02 | Kestner App Evaporateurs | Procédé de concentration d'acide sulfurique jusqu'à une teneur élevée, en partant d'acide pur ou impur |
| US3053959A (en) * | 1959-12-15 | 1962-09-11 | Richard M Christmann | Apparatus and method for heating fluids |
| FR1298512A (fr) * | 1961-06-02 | 1962-07-13 | Installation de chauffage électrique | |
| FR2339315A1 (fr) * | 1976-01-24 | 1977-08-19 | Nitto Chemical Industry Co Ltd | Appareil de chauffage a induction |
| DE2712728A1 (de) * | 1977-03-23 | 1978-09-28 | Metallgesellschaft Ag | Verfahren und vorrichtung zum erhitzen von gasen oder daempfen |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0158461A3 (en) * | 1984-03-23 | 1987-01-14 | C-I-L Inc. | Purification and reconcentration of waste sulphuric acid |
| US4663145A (en) * | 1984-09-10 | 1987-05-05 | U.S. Philips Corporation | Device for an method of working up pickling and etching liquids |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2449647B1 (enrdf_load_stackoverflow) | 1981-10-30 |
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