FR2198774A1 - Recovery of sulphur dioxide from impure gas - without providing hydrogen sulphide from a separate source - Google Patents
Recovery of sulphur dioxide from impure gas - without providing hydrogen sulphide from a separate sourceInfo
- Publication number
- FR2198774A1 FR2198774A1 FR7232342A FR7232342A FR2198774A1 FR 2198774 A1 FR2198774 A1 FR 2198774A1 FR 7232342 A FR7232342 A FR 7232342A FR 7232342 A FR7232342 A FR 7232342A FR 2198774 A1 FR2198774 A1 FR 2198774A1
- Authority
- FR
- France
- Prior art keywords
- recovery
- hydrogen sulphide
- sulphur dioxide
- separate source
- providing hydrogen
- 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
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 title 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 title 1
- 239000007789 gas Substances 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- 235000010269 sulphur dioxide Nutrition 0.000 title 1
- 239000004291 sulphur dioxide Substances 0.000 title 1
- CJDPJFRMHVXWPT-UHFFFAOYSA-N barium sulfide Chemical compound [S-2].[Ba+2] CJDPJFRMHVXWPT-UHFFFAOYSA-N 0.000 abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- 150000003863 ammonium salts Chemical class 0.000 abstract 1
- 159000000009 barium salts Chemical class 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
-
- 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
- C01B17/02—Preparation of sulfur; Purification
- C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
- C01B17/05—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by wet processes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7232342A FR2198774A1 (en) | 1972-09-12 | 1972-09-12 | Recovery of sulphur dioxide from impure gas - without providing hydrogen sulphide from a separate source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7232342A FR2198774A1 (en) | 1972-09-12 | 1972-09-12 | Recovery of sulphur dioxide from impure gas - without providing hydrogen sulphide from a separate source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2198774A1 true FR2198774A1 (en) | 1974-04-05 |
| FR2198774B1 FR2198774B1 (cg-RX-API-DMAC7.html) | 1975-03-14 |
Family
ID=9104181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7232342A Granted FR2198774A1 (en) | 1972-09-12 | 1972-09-12 | Recovery of sulphur dioxide from impure gas - without providing hydrogen sulphide from a separate source |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2198774A1 (cg-RX-API-DMAC7.html) |
-
1972
- 1972-09-12 FR FR7232342A patent/FR2198774A1/fr active Granted
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2198774B1 (cg-RX-API-DMAC7.html) | 1975-03-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |