FR2248234A1 - Contact process sulphuric acid with reduced mercury content - pref. below 5 ppm by adding sulphur to hot precessed gas - Google Patents
Contact process sulphuric acid with reduced mercury content - pref. below 5 ppm by adding sulphur to hot precessed gasInfo
- Publication number
- FR2248234A1 FR2248234A1 FR7430287A FR7430287A FR2248234A1 FR 2248234 A1 FR2248234 A1 FR 2248234A1 FR 7430287 A FR7430287 A FR 7430287A FR 7430287 A FR7430287 A FR 7430287A FR 2248234 A1 FR2248234 A1 FR 2248234A1
- Authority
- FR
- France
- Prior art keywords
- pref
- gas
- hot
- contact process
- precessed
- 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
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title abstract 2
- 239000005864 Sulphur Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 235000011149 sulphuric acid Nutrition 0.000 title abstract 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title 1
- 229910052753 mercury Inorganic materials 0.000 title 1
- 239000001117 sulphuric acid Substances 0.000 title 1
- 239000007789 gas Substances 0.000 abstract 4
- 238000001816 cooling Methods 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 229910052976 metal sulfide Inorganic materials 0.000 abstract 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPB533973 | 1973-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2248234A1 true FR2248234A1 (en) | 1975-05-16 |
| FR2248234B3 FR2248234B3 (enrdf_load_stackoverflow) | 1977-06-17 |
Family
ID=3765793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7430287A Granted FR2248234A1 (en) | 1973-10-22 | 1974-09-06 | Contact process sulphuric acid with reduced mercury content - pref. below 5 ppm by adding sulphur to hot precessed gas |
Country Status (10)
-
1974
- 1974-08-14 NO NO742918A patent/NO742918L/no unknown
- 1974-08-16 SE SE7410462A patent/SE7410462L/xx unknown
- 1974-08-20 ZA ZA00745333A patent/ZA745333B/xx unknown
- 1974-08-27 FI FI2512/74A patent/FI251274A7/fi unknown
- 1974-08-28 DE DE2441208A patent/DE2441208A1/de active Pending
- 1974-08-29 BE BE148050A patent/BE819361A/xx unknown
- 1974-09-06 FR FR7430287A patent/FR2248234A1/fr active Granted
- 1974-09-10 NL NL7412004A patent/NL7412004A/xx unknown
- 1974-09-14 ES ES430053A patent/ES430053A1/es not_active Expired
- 1974-10-01 JP JP49113235A patent/JPS5067796A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SE7410462L (enrdf_load_stackoverflow) | 1975-04-23 |
| NO742918L (enrdf_load_stackoverflow) | 1975-04-23 |
| ES430053A1 (es) | 1976-10-16 |
| DE2441208A1 (de) | 1975-04-24 |
| ZA745333B (en) | 1975-08-27 |
| FR2248234B3 (enrdf_load_stackoverflow) | 1977-06-17 |
| NL7412004A (nl) | 1975-04-24 |
| FI251274A7 (enrdf_load_stackoverflow) | 1975-04-23 |
| JPS5067796A (enrdf_load_stackoverflow) | 1975-06-06 |
| BE819361A (fr) | 1974-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |