FR2205477A1 - Hydrogen sulphide removal from gas stream - by contact with polythionate followed by catalytic oxidn. esp. useful in reducing atmos. pollution - Google Patents
Hydrogen sulphide removal from gas stream - by contact with polythionate followed by catalytic oxidn. esp. useful in reducing atmos. pollutionInfo
- Publication number
- FR2205477A1 FR2205477A1 FR7338593A FR7338593A FR2205477A1 FR 2205477 A1 FR2205477 A1 FR 2205477A1 FR 7338593 A FR7338593 A FR 7338593A FR 7338593 A FR7338593 A FR 7338593A FR 2205477 A1 FR2205477 A1 FR 2205477A1
- Authority
- FR
- France
- Prior art keywords
- polythionate
- contact
- esp
- pollution
- followed
- 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
- 230000003197 catalytic effect Effects 0.000 title abstract 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 title 1
- 239000007789 gas Substances 0.000 title 1
- 238000000034 method Methods 0.000 abstract 2
- 230000002745 absorbent Effects 0.000 abstract 1
- 239000002250 absorbent Substances 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8612—Hydrogen sulfide
- B01D53/8615—Mixtures of hydrogen sulfide and sulfur oxides
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
- C10K1/105—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids containing metal compounds other than alkali- or earth-alkali carbonates, -hydroxides, oxides, or salts of inorganic acids derived from sulfur
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Treating Waste Gases (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Industrial Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US30418572A | 1972-11-06 | 1972-11-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2205477A1 true FR2205477A1 (en) | 1974-05-31 |
| FR2205477B3 FR2205477B3 (cs) | 1976-09-17 |
Family
ID=23175448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7338593A Granted FR2205477A1 (en) | 1972-11-06 | 1973-10-30 | Hydrogen sulphide removal from gas stream - by contact with polythionate followed by catalytic oxidn. esp. useful in reducing atmos. pollution |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS4987565A (cs) |
| BE (1) | BE806673A (cs) |
| BR (1) | BR7308460D0 (cs) |
| DE (1) | DE2343254A1 (cs) |
| FR (1) | FR2205477A1 (cs) |
| IT (1) | IT999129B (cs) |
| NL (1) | NL7314847A (cs) |
-
1973
- 1973-08-28 DE DE19732343254 patent/DE2343254A1/de active Pending
- 1973-09-19 JP JP48105087A patent/JPS4987565A/ja active Pending
- 1973-10-29 BR BR846073A patent/BR7308460D0/pt unknown
- 1973-10-29 BE BE137198A patent/BE806673A/xx unknown
- 1973-10-30 FR FR7338593A patent/FR2205477A1/fr active Granted
- 1973-10-30 NL NL7314847A patent/NL7314847A/xx unknown
- 1973-10-31 IT IT3079473A patent/IT999129B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| NL7314847A (cs) | 1974-05-08 |
| BE806673A (fr) | 1974-04-29 |
| FR2205477B3 (cs) | 1976-09-17 |
| BR7308460D0 (pt) | 1974-08-29 |
| IT999129B (it) | 1976-02-20 |
| JPS4987565A (cs) | 1974-08-21 |
| DE2343254A1 (de) | 1974-05-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |