FR2378556A1 - Procede pour la purification finale de gaz d'echappement contenant du fluor - Google Patents
Procede pour la purification finale de gaz d'echappement contenant du fluorInfo
- Publication number
- FR2378556A1 FR2378556A1 FR7724796A FR7724796A FR2378556A1 FR 2378556 A1 FR2378556 A1 FR 2378556A1 FR 7724796 A FR7724796 A FR 7724796A FR 7724796 A FR7724796 A FR 7724796A FR 2378556 A1 FR2378556 A1 FR 2378556A1
- Authority
- FR
- France
- Prior art keywords
- scrubbing
- soln
- liq
- waste gas
- crystallisation
- 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
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 title abstract 6
- 238000005201 scrubbing Methods 0.000 title abstract 5
- 239000013078 crystal Substances 0.000 title abstract 2
- 239000002912 waste gas Substances 0.000 title abstract 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 title 2
- 235000013024 sodium fluoride Nutrition 0.000 title 1
- 239000011775 sodium fluoride Substances 0.000 title 1
- 235000011121 sodium hydroxide Nutrition 0.000 title 1
- 238000002425 crystallisation Methods 0.000 abstract 3
- 239000007789 gas Substances 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 1
- 230000002745 absorbent Effects 0.000 abstract 1
- 239000002250 absorbent Substances 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 239000013505 freshwater Substances 0.000 abstract 1
- 239000006228 supernatant Substances 0.000 abstract 1
- 239000002351 wastewater Substances 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
- B01D53/68—Halogens or halogen compounds
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/30—Capture or disposal of greenhouse gases of perfluorocarbons [PFC], hydrofluorocarbons [HFC] or sulfur hexafluoride [SF6]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD194345A DD127548A1 (enrdf_load_stackoverflow) | 1976-08-17 | 1976-08-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2378556A1 true FR2378556A1 (fr) | 1978-08-25 |
| FR2378556B3 FR2378556B3 (enrdf_load_stackoverflow) | 1980-10-10 |
Family
ID=5505436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7724796A Granted FR2378556A1 (fr) | 1976-08-17 | 1977-08-11 | Procede pour la purification finale de gaz d'echappement contenant du fluor |
Country Status (6)
| Country | Link |
|---|---|
| DD (1) | DD127548A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2378556A1 (enrdf_load_stackoverflow) |
| HU (1) | HU176220B (enrdf_load_stackoverflow) |
| IT (1) | IT1143593B (enrdf_load_stackoverflow) |
| NL (1) | NL7708551A (enrdf_load_stackoverflow) |
| YU (1) | YU190777A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0037450A1 (en) * | 1980-04-04 | 1981-10-14 | Calgon Corporation | Process for the removal of acid and acid precursor gases and vapors from gas streams |
-
1976
- 1976-08-17 DD DD194345A patent/DD127548A1/xx unknown
-
1977
- 1977-08-01 IT IT5052077A patent/IT1143593B/it active
- 1977-08-02 NL NL7708551A patent/NL7708551A/xx not_active Application Discontinuation
- 1977-08-03 YU YU01907/77A patent/YU190777A/xx unknown
- 1977-08-11 FR FR7724796A patent/FR2378556A1/fr active Granted
- 1977-08-12 HU HU77EA177A patent/HU176220B/hu unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0037450A1 (en) * | 1980-04-04 | 1981-10-14 | Calgon Corporation | Process for the removal of acid and acid precursor gases and vapors from gas streams |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1143593B (it) | 1986-10-22 |
| DD127548A1 (enrdf_load_stackoverflow) | 1977-09-28 |
| YU190777A (en) | 1982-05-31 |
| FR2378556B3 (enrdf_load_stackoverflow) | 1980-10-10 |
| NL7708551A (nl) | 1978-02-21 |
| HU176220B (en) | 1981-01-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1501702A (en) | Method of removing nitrogen oxides from a gas containing them | |
| SE8100677L (sv) | Forfaringssett for absorption i sjovatten av svaveloxider fran rokgaser | |
| SE9303034D0 (sv) | Sätt och anordning för absorption av svavelväte | |
| GB1513118A (en) | Cleaning of flue gases | |
| TW326404B (en) | An exhaust desulfurization method | |
| JPS5370097A (en) | Purifying method for crude sodium silicofluoride | |
| PL300671A1 (en) | Method of removing sulfur dioxide from combustion gas by scrubbing | |
| GB1342703A (en) | Removal of hf from an hf-containing gas | |
| IT1143593B (it) | Procedimento per la depurazione finale di gas di scarico contenenti fluoro | |
| GB1390212A (en) | Process for treating hot gases prior to desulphurizing them | |
| JPS5722115A (en) | Treating method of crude ammonium sulfate | |
| US4014978A (en) | Air pollution control system and method | |
| JPS5768121A (en) | Stack gas desulfurization method by sea water | |
| SE9300169L (sv) | Sätt och anordning att rena klorväte- och svaveldioxidinnehållande gaser | |
| JPS5232894A (en) | Process for removing sulfur oxide in waste gas and by-producting magne sium sulfate | |
| JPS5691824A (en) | Absorbent for hydrogen chloride | |
| JPS5378978A (en) | Removing method for sulfur dioxide | |
| JPS5297375A (en) | Removal of sulfur dioxide gas | |
| GB1435805A (en) | Removal of sulphur dioxide from waste gases | |
| JPS567632A (en) | Exhaust gas desulfurizing method and its apparatus | |
| SU990271A1 (ru) | Способ очистки газов от двуокиси серы | |
| JPS54142176A (en) | Waste gas treatment | |
| SU822861A1 (ru) | Способ очистки газа от сероводо-РОдА B пРиСуТСТВии дВуОКиСи углЕРОдА | |
| JPS5299966A (en) | Treatment for removing halogen gas | |
| FR2443273A2 (fr) | Procede pour l'elimination d'anhydride sulfureux de fumees le contenant a l'aide d'une solution d'un sel alcalin d'acide succinique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |