FR2204567A1 - - Google Patents
Info
- Publication number
- FR2204567A1 FR2204567A1 FR7338588A FR7338588A FR2204567A1 FR 2204567 A1 FR2204567 A1 FR 2204567A1 FR 7338588 A FR7338588 A FR 7338588A FR 7338588 A FR7338588 A FR 7338588A FR 2204567 A1 FR2204567 A1 FR 2204567A1
- Authority
- FR
- France
- 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
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
- C01B17/765—Multi-stage SO3-conversion
- C01B17/7655—Multi-stage SO3-conversion with intermediate absorption
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA727754A ZA727754B (en) | 1972-11-01 | 1972-11-01 | Improvements in and relating to the manufacture of sulphuric acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2204567A1 true FR2204567A1 (hu) | 1974-05-24 |
| FR2204567B1 FR2204567B1 (hu) | 1977-12-09 |
Family
ID=25565560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7338588A Expired FR2204567B1 (hu) | 1972-11-01 | 1973-10-30 |
Country Status (5)
| Country | Link |
|---|---|
| AU (1) | AU6172673A (hu) |
| DE (1) | DE2354650A1 (hu) |
| FR (1) | FR2204567B1 (hu) |
| GB (1) | GB1391866A (hu) |
| ZA (1) | ZA727754B (hu) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3536446A (en) * | 1967-09-26 | 1970-10-27 | Chemical Construction Corp | Production of sulfuric acid |
| FR2149586A5 (fr) * | 1971-08-13 | 1973-03-30 | Ugine Kuhlmann | Perfectionnement a la fabrication de l'acide sulfurique |
-
1972
- 1972-11-01 ZA ZA727754A patent/ZA727754B/xx unknown
-
1973
- 1973-10-24 AU AU61726/73A patent/AU6172673A/en not_active Expired
- 1973-10-25 GB GB4968773A patent/GB1391866A/en not_active Expired
- 1973-10-30 FR FR7338588A patent/FR2204567B1/fr not_active Expired
- 1973-10-31 DE DE19732354650 patent/DE2354650A1/de active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3536446A (en) * | 1967-09-26 | 1970-10-27 | Chemical Construction Corp | Production of sulfuric acid |
| FR2149586A5 (fr) * | 1971-08-13 | 1973-03-30 | Ugine Kuhlmann | Perfectionnement a la fabrication de l'acide sulfurique |
Also Published As
| Publication number | Publication date |
|---|---|
| AU6172673A (en) | 1975-04-24 |
| GB1391866A (en) | 1975-04-23 |
| FR2204567B1 (hu) | 1977-12-09 |
| ZA727754B (en) | 1974-06-26 |
| DE2354650A1 (de) | 1974-05-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |