DE2307275B2 - Verfahren zur wiedergewinnung der fluorwerte aus dem abgas einer elektrolytischen reduktionszelle fuer die herstellung von aluminium - Google Patents
Verfahren zur wiedergewinnung der fluorwerte aus dem abgas einer elektrolytischen reduktionszelle fuer die herstellung von aluminiumInfo
- Publication number
- DE2307275B2 DE2307275B2 DE19732307275 DE2307275A DE2307275B2 DE 2307275 B2 DE2307275 B2 DE 2307275B2 DE 19732307275 DE19732307275 DE 19732307275 DE 2307275 A DE2307275 A DE 2307275A DE 2307275 B2 DE2307275 B2 DE 2307275B2
- Authority
- DE
- Germany
- Prior art keywords
- exhaust gas
- alumina
- particles
- aluminum oxide
- aluminum
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 20
- 239000011737 fluorine Substances 0.000 title claims description 13
- 229910052731 fluorine Inorganic materials 0.000 title claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 10
- 229910052782 aluminium Inorganic materials 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 title 1
- 239000007789 gas Substances 0.000 claims description 51
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 33
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 22
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 15
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims description 15
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 230000002745 absorbent Effects 0.000 claims description 5
- 239000002250 absorbent Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 238000007669 thermal treatment Methods 0.000 claims 3
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000011084 recovery Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 239000000463 material Substances 0.000 description 11
- 239000007787 solid Substances 0.000 description 9
- 239000010419 fine particle Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 8
- 239000011269 tar Substances 0.000 description 8
- 229930195733 hydrocarbon Natural products 0.000 description 7
- 150000002430 hydrocarbons Chemical class 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 6
- 239000004215 Carbon black (E152) Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 3
- 238000005108 dry cleaning Methods 0.000 description 3
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 2
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 238000005203 dry scrubbing Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000004131 Bayer process Methods 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 229960005363 aluminium oxide Drugs 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000002101 lytic effect Effects 0.000 description 1
- GSWAOPJLTADLTN-UHFFFAOYSA-N oxidanimine Chemical compound [O-][NH3+] GSWAOPJLTADLTN-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/48—Halides, with or without other cations besides aluminium
- C01F7/50—Fluorides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Geology (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Electrolytic Production Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB774572A GB1416344A (en) | 1972-02-18 | 1972-02-18 | Method of recovering fluorine from aluminium reduction cell waste gases |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2307275A1 DE2307275A1 (de) | 1973-08-23 |
| DE2307275B2 true DE2307275B2 (de) | 1976-06-24 |
Family
ID=9838916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732307275 Pending DE2307275B2 (de) | 1972-02-18 | 1973-02-14 | Verfahren zur wiedergewinnung der fluorwerte aus dem abgas einer elektrolytischen reduktionszelle fuer die herstellung von aluminium |
Country Status (9)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7506339A (nl) * | 1974-06-06 | 1975-12-09 | Hosokawa Micromeretics Lab Lim | Werkwijze en inrichting voor het droog verwij- deren van door lucht meegevoerd effluent bij de aluminiumbereiding. |
| JPS56108532A (en) * | 1980-02-04 | 1981-08-28 | Hitachi Ltd | Iodine adsorbing material and preparation thereof |
| NO147791C (no) * | 1981-02-05 | 1983-06-15 | Norsk Viftefabrikk As | Fremgangsmaate for fraskilling av fint stoev som inneholder forurensninger fra aluminiumoksyd som har vaert anvendt som adsorbent i et toert rensesystem |
| DE3235558A1 (de) * | 1982-09-25 | 1984-03-29 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur abtrennung von schadstoffen aus abgasen |
| US5658544A (en) * | 1990-08-03 | 1997-08-19 | Comalco Aluminium Limited | Gas-solid contacting method |
| CN1036506C (zh) * | 1993-08-21 | 1997-11-26 | 石文杰 | 去除磷肥生产中的硅胶并回收氟气的方法及其装置 |
| CA2173859A1 (en) * | 1993-11-16 | 1995-05-26 | Grant A. Wellwood | Countercurrent gas-solid contacting |
| SE503678C2 (sv) * | 1994-11-23 | 1996-07-29 | Flaekt Ab | Sätt och anordning att ur ett gasformigt medium avskilja ämnen genom torr adsorption |
| NO310933B1 (no) | 1997-06-25 | 2001-09-17 | Flaekt Ab | Renseanlegg |
| NO314023B1 (no) * | 1998-09-17 | 2003-01-20 | Flaekt Ab | Fremgangsmåte og innretning for å øke effektiviteten for tørre renseanlegg |
| FR2848875B1 (fr) * | 2002-12-18 | 2005-02-11 | Pechiney Aluminium | Procede et dispositif de traitement des effluents de cellule d'electrolyse pour la production d'aluminium |
-
1972
- 1972-02-18 GB GB774572A patent/GB1416344A/en not_active Expired
-
1973
- 1973-01-31 IT IT1983873A patent/IT978653B/it active
- 1973-02-14 DE DE19732307275 patent/DE2307275B2/de active Pending
- 1973-02-16 CA CA163,855A patent/CA992725A/en not_active Expired
- 1973-02-16 CH CH228173A patent/CH562332A5/xx not_active IP Right Cessation
- 1973-02-16 FR FR7305589A patent/FR2172366A1/fr not_active Withdrawn
- 1973-02-16 SU SU1886541A patent/SU528854A3/ru active
- 1973-02-16 JP JP48018428A patent/JPS4893593A/ja active Pending
- 1973-02-17 ES ES411751A patent/ES411751A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH562332A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-05-30 |
| CA992725A (en) | 1976-07-13 |
| IT978653B (it) | 1974-09-20 |
| JPS4893593A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-12-04 |
| DE2307275A1 (de) | 1973-08-23 |
| FR2172366A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-09-28 |
| SU528854A3 (ru) | 1976-09-15 |
| ES411751A1 (es) | 1976-04-16 |
| GB1416344A (en) | 1975-12-03 |
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