CA1099899A - Procede d'absorption de composes fluores presents dans des melanges gazeux - Google Patents
Procede d'absorption de composes fluores presents dans des melanges gazeuxInfo
- Publication number
- CA1099899A CA1099899A CA264,934A CA264934A CA1099899A CA 1099899 A CA1099899 A CA 1099899A CA 264934 A CA264934 A CA 264934A CA 1099899 A CA1099899 A CA 1099899A
- Authority
- CA
- Canada
- Prior art keywords
- washing
- solution
- fluorinated compounds
- gas mixture
- washer
- 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
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 12
- 150000002222 fluorine compounds Chemical class 0.000 title 1
- 239000007789 gas Substances 0.000 claims abstract description 43
- 239000000243 solution Substances 0.000 claims abstract description 37
- 238000005406 washing Methods 0.000 claims abstract description 35
- 150000001875 compounds Chemical class 0.000 claims abstract description 31
- 239000000203 mixture Substances 0.000 claims abstract description 28
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 claims abstract description 13
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910004014 SiF4 Inorganic materials 0.000 claims abstract description 10
- 239000007864 aqueous solution Substances 0.000 claims abstract description 9
- 239000012467 final product Substances 0.000 claims abstract description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 150000007514 bases Chemical class 0.000 claims description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims 2
- 230000002378 acidificating effect Effects 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 235000021317 phosphate Nutrition 0.000 claims 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 abstract description 8
- 239000011737 fluorine Substances 0.000 abstract description 8
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 1
- 239000008246 gaseous mixture Substances 0.000 abstract 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 7
- 229910003638 H2SiF6 Inorganic materials 0.000 description 5
- ZEFWRWWINDLIIV-UHFFFAOYSA-N tetrafluorosilane;dihydrofluoride Chemical compound F.F.F[Si](F)(F)F ZEFWRWWINDLIIV-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 241000838698 Togo Species 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 235000021395 porridge Nutrition 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011775 sodium fluoride Substances 0.000 description 1
- 235000013024 sodium fluoride Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 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
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)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR75.33659 | 1975-11-04 | ||
| FR7533659A FR2330436A1 (fr) | 1975-11-04 | 1975-11-04 | Procede d'absorption de composes fluores presents dans des melanges gazeux |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1099899A true CA1099899A (fr) | 1981-04-28 |
Family
ID=9161997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA264,934A Expired CA1099899A (fr) | 1975-11-04 | 1976-11-03 | Procede d'absorption de composes fluores presents dans des melanges gazeux |
Country Status (22)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3145311A1 (de) * | 1981-11-14 | 1983-05-26 | Röhm GmbH, 6100 Darmstadt | Verfahren zur herstellung von isobuttersaeure oder ihren alkylestern |
| ES2300201B1 (es) * | 2006-11-15 | 2009-06-05 | Casals Cardona Industrial, S.A. | Procedimiento de depuracion de gases residuales que contienen metil mercaptano, particulas solidas y tetrafluoruro de silicio, con produccion de un efluente revalorizable. |
| JP5554482B2 (ja) * | 2008-09-08 | 2014-07-23 | 大陽日酸株式会社 | 排ガス処理方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE645170C (de) * | 1935-05-29 | 1937-05-22 | I G Farbenindustrie Akt Ges | Abscheidung von Fluorverbindungen aus diese enthaltenden Wasserdampfbrueden |
| DE1905080A1 (de) * | 1969-02-01 | 1970-08-13 | Uop Kavag Ges Fuer Luftreinhal | Verfahren und Vorrichtung zur Reinigung von Industrieabgasen |
| JPS4871368A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-12-28 | 1973-09-27 |
-
1975
- 1975-11-04 FR FR7533659A patent/FR2330436A1/fr active Granted
-
1976
- 1976-10-28 DE DE2649188A patent/DE2649188C3/de not_active Expired
- 1976-10-29 PH PH19076A patent/PH14650A/en unknown
- 1976-11-02 GR GR52075A patent/GR61200B/el unknown
- 1976-11-02 IL IL50812A patent/IL50812A/xx unknown
- 1976-11-03 BE BE172039A patent/BE847935A/xx not_active IP Right Cessation
- 1976-11-03 AR AR265330A patent/AR214984A1/es active
- 1976-11-03 ZA ZA766599A patent/ZA766599B/xx unknown
- 1976-11-03 MX MX766858U patent/MX4038E/es unknown
- 1976-11-03 BR BR7607349A patent/BR7607349A/pt unknown
- 1976-11-03 EG EG679/76A patent/EG12184A/xx active
- 1976-11-03 NZ NZ182509A patent/NZ182509A/xx unknown
- 1976-11-03 ES ES452941A patent/ES452941A1/es not_active Expired
- 1976-11-03 IT IT52010/76A patent/IT1066693B/it active
- 1976-11-03 AU AU19267/76A patent/AU507541B2/en not_active Expired
- 1976-11-03 NL NL7612189A patent/NL7612189A/xx active Search and Examination
- 1976-11-03 GB GB45772/76A patent/GB1544852A/en not_active Expired
- 1976-11-03 CA CA264,934A patent/CA1099899A/fr not_active Expired
- 1976-11-03 FI FI763147A patent/FI61411C/fi not_active IP Right Cessation
- 1976-11-03 PT PT65790A patent/PT65790B/pt unknown
- 1976-11-03 IN IN1998/CAL/76A patent/IN145752B/en unknown
- 1976-11-04 JP JP51132720A patent/JPS6041975B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EG12184A (en) | 1978-06-30 |
| DE2649188A1 (de) | 1977-05-12 |
| BR7607349A (pt) | 1977-09-20 |
| FI61411C (fi) | 1982-08-10 |
| IT1066693B (it) | 1985-03-12 |
| BE847935A (fr) | 1977-05-03 |
| NL7612189A (nl) | 1977-05-06 |
| PT65790A (fr) | 1976-12-01 |
| AU1926776A (en) | 1978-05-11 |
| PT65790B (fr) | 1978-05-12 |
| IL50812A0 (en) | 1977-01-31 |
| JPS6041975B2 (ja) | 1985-09-19 |
| IL50812A (en) | 1980-09-16 |
| JPS5270985A (en) | 1977-06-13 |
| ES452941A1 (es) | 1977-11-16 |
| NZ182509A (en) | 1978-12-18 |
| ZA766599B (en) | 1977-10-26 |
| AR214984A1 (es) | 1979-08-31 |
| DE2649188C3 (de) | 1985-05-30 |
| IN145752B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-12-16 |
| GB1544852A (en) | 1979-04-25 |
| FR2330436B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-04-11 |
| DE2649188B2 (de) | 1979-09-06 |
| GR61200B (en) | 1978-10-06 |
| MX4038E (es) | 1981-11-18 |
| PH14650A (en) | 1981-10-14 |
| FR2330436A1 (fr) | 1977-06-03 |
| FI61411B (fi) | 1982-04-30 |
| AU507541B2 (en) | 1980-02-21 |
| FI763147A7 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-05-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0426215B1 (en) | Method for purifying flue gases | |
| EP1175933B1 (en) | Gas separation apparatus | |
| TWI591022B (zh) | Fluorine-containing water treatment method and treatment device | |
| CA2062493C (fr) | Procede de traitement de gaz a base de fluor electrolytique et pouvant contenir des composes uraniferes | |
| CA1099899A (fr) | Procede d'absorption de composes fluores presents dans des melanges gazeux | |
| JPH0280310A (ja) | 三弗化窒素ガスの精製方法 | |
| JPS5929521B2 (ja) | 精製塩酸の製造法 | |
| US6530980B2 (en) | Gas separation apparatus | |
| FR2522278A1 (fr) | Procede pour enlever le germanium de l'effluent de procedes de fabrication de composants optiques | |
| US4900336A (en) | Method of preferentially removing oxygen from ozonated water | |
| US20210331920A1 (en) | Method for producing hydrogen fluoride from an aqueous solution of hexafluorosilicic acid | |
| EP0047191B1 (fr) | Procédé de traitement d'un courant gazeux contenant des oxydes d'azote et de l'oxygène | |
| RU2537302C1 (ru) | Способ очистки тетраэтоксисилана | |
| US4178347A (en) | Process for the simultaneous production of wet process phosphoric acid and sodium silicofluoride | |
| Harrison et al. | Improved molecular fluorescence method for the determination of selenium in biological samples | |
| CH634600A5 (fr) | Procede de recuperation des acides et du zirconium contenus dans les solutions de decapage. | |
| JP2000119024A (ja) | 六弗化タングステンの製造方法 | |
| WO2001049601A1 (en) | Purification of hydrogen fluoride | |
| SU880451A1 (ru) | Способ очистки печных газов производства фтористого водорода | |
| RU2065488C1 (ru) | Моющее средство для отмывки полимерной поверхности и способ отмывки | |
| JP2821947B2 (ja) | 超高純度フッ化水素酸の製造方法 | |
| JP3548135B2 (ja) | Ｐｆｃ混合排ガスの回収前処理方法 | |
| JP3413411B2 (ja) | 金属製品の再生洗浄液の製造方法 | |
| FR2705342A1 (fr) | Acétonitrile très purifié et procédé de purification d'acétonitrile brut. | |
| FR2521973A1 (fr) | Procede de purification d'hexafluorure d'uranium contenant des traces de fluorure de plutonium et/ou de fluorure de neptunium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |