FR2176920A1 - - Google Patents
Info
- Publication number
- FR2176920A1 FR2176920A1 FR7309876A FR7309876A FR2176920A1 FR 2176920 A1 FR2176920 A1 FR 2176920A1 FR 7309876 A FR7309876 A FR 7309876A FR 7309876 A FR7309876 A FR 7309876A FR 2176920 A1 FR2176920 A1 FR 2176920A1
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2213579A DE2213579C2 (de) | 1972-03-21 | 1972-03-21 | Verfahren zur katalytischen Umsetzung von Gasen mit hohem Gehalt an SO tief 2 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2176920A1 true FR2176920A1 (zh) | 1973-11-02 |
| FR2176920B3 FR2176920B3 (zh) | 1976-03-19 |
Family
ID=5839568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7309876A Expired FR2176920B3 (zh) | 1972-03-21 | 1973-03-20 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4913097A (zh) |
| AU (1) | AU472074B2 (zh) |
| CA (1) | CA982324A (zh) |
| DE (1) | DE2213579C2 (zh) |
| ES (1) | ES412844A1 (zh) |
| FR (1) | FR2176920B3 (zh) |
| GB (1) | GB1397044A (zh) |
| SE (1) | SE382623B (zh) |
| ZA (1) | ZA731275B (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10249782A1 (de) * | 2002-10-24 | 2004-05-06 | Outokumpu Oyj | Verfahren und Anlage zur Herstellung von Schwefelsäure aus schwefeldioxidreichen Gasen |
-
1972
- 1972-03-21 DE DE2213579A patent/DE2213579C2/de not_active Expired
-
1973
- 1973-02-22 ZA ZA731275A patent/ZA731275B/xx unknown
- 1973-02-28 AU AU52699/73A patent/AU472074B2/en not_active Expired
- 1973-03-02 GB GB1036673A patent/GB1397044A/en not_active Expired
- 1973-03-17 JP JP48031351A patent/JPS4913097A/ja active Pending
- 1973-03-20 SE SE7303911A patent/SE382623B/xx unknown
- 1973-03-20 CA CA166,979A patent/CA982324A/en not_active Expired
- 1973-03-20 FR FR7309876A patent/FR2176920B3/fr not_active Expired
- 1973-03-20 ES ES412844A patent/ES412844A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA982324A (en) | 1976-01-27 |
| JPS4913097A (zh) | 1974-02-05 |
| ZA731275B (en) | 1974-05-29 |
| SE382623B (sv) | 1976-02-09 |
| DE2213579C2 (de) | 1974-01-24 |
| GB1397044A (en) | 1975-06-11 |
| DE2213579B1 (de) | 1973-06-20 |
| ES412844A1 (es) | 1976-01-01 |
| AU5269973A (en) | 1974-08-29 |
| AU472074B2 (en) | 1976-05-13 |
| FR2176920B3 (zh) | 1976-03-19 |