FR2037896A5 - Removal of fluoride impurities from waste acidic gases - Google Patents
Removal of fluoride impurities from waste acidic gasesInfo
- Publication number
- FR2037896A5 FR2037896A5 FR7008558A FR7008558A FR2037896A5 FR 2037896 A5 FR2037896 A5 FR 2037896A5 FR 7008558 A FR7008558 A FR 7008558A FR 7008558 A FR7008558 A FR 7008558A FR 2037896 A5 FR2037896 A5 FR 2037896A5
- Authority
- FR
- France
- Prior art keywords
- acidic gases
- removal
- waste acidic
- fluoride impurities
- waste
- 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.)
- Expired
Links
- 230000002378 acidificating effect Effects 0.000 title abstract 2
- 239000007789 gas Substances 0.000 title abstract 2
- 239000002699 waste material Substances 0.000 title abstract 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 title 1
- 239000012535 impurity Substances 0.000 title 1
- NHYCGSASNAIGLD-UHFFFAOYSA-N Chlorine monoxide Chemical class Cl[O] NHYCGSASNAIGLD-UHFFFAOYSA-N 0.000 abstract 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- 230000002745 absorbent Effects 0.000 abstract 1
- 239000002250 absorbent Substances 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 abstract 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract 1
- 239000000920 calcium hydroxide Substances 0.000 abstract 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract 1
- 235000011116 calcium hydroxide Nutrition 0.000 abstract 1
- 229910001902 chlorine oxide Inorganic materials 0.000 abstract 1
- 238000010908 decantation Methods 0.000 abstract 1
- 229910052731 fluorine Inorganic materials 0.000 abstract 1
- 239000011737 fluorine Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 238000010561 standard procedure 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
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
-
- 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
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 |
|---|---|---|---|
| CH370969A CH509093A (de) | 1969-03-12 | 1969-03-12 | Verfahren zum Entfernen F-haltiger Verunreinigungen aus luftverdünnten, sauren Abgasen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2037896A5 true FR2037896A5 (en) | 1970-12-31 |
Family
ID=4261824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7008558A Expired FR2037896A5 (en) | 1969-03-12 | 1970-03-10 | Removal of fluoride impurities from waste acidic gases |
Country Status (6)
| Country | Link |
|---|---|
| AU (1) | AU1251570A (enrdf_load_stackoverflow) |
| BE (1) | BE742915A (enrdf_load_stackoverflow) |
| CH (1) | CH509093A (enrdf_load_stackoverflow) |
| DE (1) | DE2009069A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2037896A5 (enrdf_load_stackoverflow) |
| NL (1) | NL7003378A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55124530A (en) * | 1979-03-19 | 1980-09-25 | Babcock Hitachi Kk | Method for desulfurization of combustion exhaust gas |
| FR2458513A1 (fr) * | 1979-06-05 | 1981-01-02 | Degremont | Procede pour l'elimination des fluorures des effluents les contenant |
| CH655671B (enrdf_load_stackoverflow) * | 1981-07-24 | 1986-05-15 | ||
| US4675167A (en) * | 1983-03-07 | 1987-06-23 | Mitsubishi Jukogyo Kabushiki Kaisha | Method of treating exhaust gases |
| GB8511168D0 (en) * | 1985-05-02 | 1985-06-12 | Davy Mckee Ltd | Process |
-
1969
- 1969-03-12 CH CH370969A patent/CH509093A/de not_active IP Right Cessation
- 1969-12-10 BE BE742915D patent/BE742915A/xx unknown
-
1970
- 1970-02-26 DE DE19702009069 patent/DE2009069A1/de active Pending
- 1970-03-10 FR FR7008558A patent/FR2037896A5/fr not_active Expired
- 1970-03-10 NL NL7003378A patent/NL7003378A/xx unknown
- 1970-03-12 AU AU12515/70A patent/AU1251570A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7003378A (enrdf_load_stackoverflow) | 1970-09-15 |
| DE2009069A1 (de) | 1970-09-24 |
| BE742915A (enrdf_load_stackoverflow) | 1970-05-14 |
| CH509093A (de) | 1971-06-30 |
| AU1251570A (en) | 1971-09-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI45767C (fi) | Menetelmä elohopean ja/tai seleenin poistamiseksi ja talteenottamiseks i elohopea- ja/tai seleenipitoisista kaasuista. | |
| FI832890A0 (fi) | Foerfarande foer separation av sakkaros fraon en vattenloesning | |
| KR830001821A (ko) | 물로부터 알카리성 및 경도를 제거하는 방법 | |
| ATE19505T1 (de) | Verfahren zur dekontamination natuerlicher und technischer schlaemme. | |
| GB1302486A (enrdf_load_stackoverflow) | ||
| DK90683D0 (da) | Fremgangsmade til udvinding af insulin fra et insulin-protaminkompleks | |
| IT7828071A0 (it) | Processo per la separazione di contaminanti polimerici da soluzioni acquose assorbenti usate per trattare correnti gassose contenenti gas organici. | |
| FR2037896A5 (en) | Removal of fluoride impurities from waste acidic gases | |
| ES412890A1 (es) | Metodo de recuperar fluor de gases residuales industriales. | |
| GB1342703A (en) | Removal of hf from an hf-containing gas | |
| FR2378722A1 (fr) | Procede d'elimination des impuretes organiques dissoutes dans les eaux residuaires | |
| GB1038173A (en) | Improvements relating to the treatment of contaminated air in an alumina electrolysis works | |
| ES8407090A1 (es) | Procedimiento para la desulfuracion continua de un gas de combustion o de chimenea. | |
| GB921077A (en) | Production of precipitated calcium carbonate | |
| ES420775A1 (es) | Un procedimiento para la purificacion de soluciones acuosasde citrato sodico. | |
| GB1229107A (enrdf_load_stackoverflow) | ||
| GB1040462A (en) | A process for the manufacture of wet-precipitated silica | |
| GB1325141A (en) | Purification of smoke and gas | |
| GB1328403A (en) | System of absorbing so2 gas in effluent gas stream | |
| GB933563A (en) | Process for the recovery of germanium values | |
| JPS57100915A (en) | Purification of aqueous solution of alkali chloride | |
| GB1037764A (en) | Method of eliminating hydrofluoric acid from sewage | |
| GB1088343A (en) | A process for treating silicas and silicates | |
| SU587979A1 (ru) | Способ очистки газов от двуокиси углерода | |
| JPS5288268A (en) | Desulfurization of exhaust flue gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |