CA2093340A1 - Scrubbing of gaseous fluorides from process exhausts - Google Patents
Scrubbing of gaseous fluorides from process exhaustsInfo
- Publication number
- CA2093340A1 CA2093340A1 CA002093340A CA2093340A CA2093340A1 CA 2093340 A1 CA2093340 A1 CA 2093340A1 CA 002093340 A CA002093340 A CA 002093340A CA 2093340 A CA2093340 A CA 2093340A CA 2093340 A1 CA2093340 A1 CA 2093340A1
- Authority
- CA
- Canada
- Prior art keywords
- particles
- alumina
- fluoride
- rehydrated
- gibbsite
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 150000002222 fluorine compounds Chemical class 0.000 title claims abstract description 12
- 238000005201 scrubbing Methods 0.000 title description 37
- 230000008569 process Effects 0.000 title description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 78
- 239000007789 gas Substances 0.000 claims abstract description 59
- 239000002245 particle Substances 0.000 claims abstract description 50
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims abstract description 49
- 229910001679 gibbsite Inorganic materials 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 20
- 238000005203 dry scrubbing Methods 0.000 claims abstract description 16
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 5
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims abstract description 5
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 claims description 33
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 229910001680 bayerite Inorganic materials 0.000 claims description 15
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 13
- 238000001354 calcination Methods 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 9
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 5
- 239000000395 magnesium oxide Substances 0.000 claims description 5
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 4
- 239000000347 magnesium hydroxide Substances 0.000 claims description 4
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 230000004580 weight loss Effects 0.000 claims 2
- 238000009736 wetting Methods 0.000 claims 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 abstract description 19
- 239000007787 solid Substances 0.000 description 44
- 238000011068 loading method Methods 0.000 description 13
- 239000012071 phase Substances 0.000 description 9
- 238000007792 addition Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000006467 substitution reaction Methods 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 239000002131 composite material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 150000004684 trihydrates Chemical class 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 235000012255 calcium oxide Nutrition 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 235000012245 magnesium oxide Nutrition 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 150000004679 hydroxides Chemical class 0.000 description 3
- 235000012254 magnesium hydroxide Nutrition 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008092 positive effect Effects 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- RREGISFBPQOLTM-UHFFFAOYSA-N alumane;trihydrate Chemical compound O.O.O.[AlH3] RREGISFBPQOLTM-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910019440 Mg(OH) Inorganic materials 0.000 description 1
- 241001508687 Mustela erminea Species 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005007 materials handling Methods 0.000 description 1
- 239000013028 medium composition Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005211 surface analysis Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B9/00—General methods of preparing halides
- C01B9/08—Fluorides
-
- 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
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
- C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
-
- 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)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (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)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPK765191 | 1991-08-07 | ||
| AUPK7651 | 1991-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2093340A1 true CA2093340A1 (en) | 1993-02-08 |
Family
ID=3775607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002093340A Abandoned CA2093340A1 (en) | 1991-08-07 | 1992-08-07 | Scrubbing of gaseous fluorides from process exhausts |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0562059B1 (cg-RX-API-DMAC10.html) |
| CA (1) | CA2093340A1 (cg-RX-API-DMAC10.html) |
| DE (1) | DE69215853T2 (cg-RX-API-DMAC10.html) |
| IS (1) | IS3896A (cg-RX-API-DMAC10.html) |
| WO (1) | WO1993002772A1 (cg-RX-API-DMAC10.html) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960700194A (ko) * | 1993-11-25 | 1996-01-19 | 고사이 아키오 | α-알루미나 분말의 제조방법(Process for producing α-alumina powder) |
| SE503678C2 (sv) * | 1994-11-23 | 1996-07-29 | Flaekt Ab | Sätt och anordning att ur ett gasformigt medium avskilja ämnen genom torr adsorption |
| CA2256145C (en) * | 1998-12-16 | 2007-09-25 | Alcan International Limited | Fluid bed system for cooling hot spent anode butts |
| GB0611968D0 (en) * | 2006-06-16 | 2006-07-26 | Boc Group Plc | Method and apparatus for the removal of fluorine from a gas system |
| FR2953223B1 (fr) * | 2009-12-02 | 2012-01-27 | Alcan Int Ltd | Procede de changement d'une anode usee et support et systeme pour le stockage temporaire d'une telle anode usee |
| CN103223284A (zh) * | 2013-05-14 | 2013-07-31 | 沈阳城顺达工业技术有限公司 | 一种预分离循环流化床两段逆流反应收尘装置 |
| DE102015205562B3 (de) * | 2015-03-26 | 2016-08-25 | Sgl Carbon Se | Verfahren zur Behandlung von Gasströmen |
| CN106211790B (zh) | 2015-03-26 | 2018-06-22 | 韩国能源技术研究院 | 用于难分解性有害气体焚烧处理的节能型燃烧装置及其方法 |
| CN106915758B (zh) * | 2017-04-26 | 2019-01-22 | 河南长兴实业有限公司 | 一种用于tft-lcd玻璃的低锂氧化铝制备方法 |
| CN116103515B (zh) * | 2023-02-08 | 2025-05-13 | 西安交通大学 | 一种基于CaO滤材的硅热法炼镁低成本高效除铝方法 |
| GB202318488D0 (en) * | 2023-12-04 | 2024-01-17 | Univ Edinburgh | Heat-absorbing materials |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2876068A (en) * | 1954-06-10 | 1959-03-03 | Pechiney Prod Chimiques Sa | Production of activated alumina |
| NL293754A (cg-RX-API-DMAC10.html) * | 1962-06-14 | |||
| FR1449904A (fr) * | 1965-07-09 | 1966-05-06 | Pechiney Saint Gobain | Agglomérés d'alumine active de résistance mécanique élevée |
| US3406125A (en) * | 1967-04-20 | 1968-10-15 | Engelhard Min & Chem | Activated bauxite aggregates and preparation thereof |
| GB1295133A (cg-RX-API-DMAC10.html) * | 1969-04-25 | 1972-11-01 | ||
| US3701718A (en) * | 1969-09-29 | 1972-10-31 | Pechiney Saint Gobain | High-porous activated alumina and method |
| AT325583B (de) * | 1970-01-21 | 1975-10-27 | Vaw Ver Aluminium Werke Ag | Verfahren zur abtrennung von gasförmigem fluorwasserstoff aus abgasen |
| DE2056096B2 (de) * | 1970-11-14 | 1978-09-28 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur Abtrennung von Fluorwasserstoff aus Gasen |
| DE2064696A1 (de) * | 1970-12-31 | 1972-07-27 | Bayer | Verfahren zur Umsetzung von Fluorwasserstoffbzw. Alkalifluoriden mit Aluminiumoxid |
| US3839536A (en) * | 1971-07-21 | 1974-10-01 | Mitsubishi Chem Ind | Process for preparing pure hydrated alumina |
| NO126628B (cg-RX-API-DMAC10.html) * | 1971-07-22 | 1973-03-05 | Ardal Og Sunndal Verk | |
| SE362901B (cg-RX-API-DMAC10.html) * | 1971-10-27 | 1973-12-27 | Svenska Flaektfabriken Ab | |
| FR2279443A1 (fr) * | 1974-07-25 | 1976-02-20 | Asahi Fiber Cy Ltd | Procede de purification de gaz residuaire contenant un compose du fluor |
| US4120942A (en) * | 1976-06-14 | 1978-10-17 | American Cyanamid Company | Staged rehydration of alumina |
| FR2449650A1 (fr) * | 1979-02-26 | 1980-09-19 | Rhone Poulenc Ind | Procede de preparation d'alumine au moins partiellement sous forme de boehmite ultra-fine |
| FR2450232A1 (fr) * | 1979-02-28 | 1980-09-26 | Pechiney Aluminium | Procede de transformation de l'hydrargilitte en boehmite |
| JPS56149320A (en) * | 1980-04-21 | 1981-11-19 | Sumitomo Alum Smelt Co Ltd | Manufacture of activated alumina molding with low density |
| US4411771A (en) * | 1980-12-24 | 1983-10-25 | American Cyanamid Company | Process for hydrotreating heavy hydrocarbons and catalyst used in said process |
| FR2534831A1 (fr) * | 1982-10-25 | 1984-04-27 | Air Ind | Installation d'injection d'une matiere pulverulente, notamment d'une matiere adsorbante, dans une colonne de contact |
| DE3308023A1 (de) * | 1983-03-07 | 1984-09-13 | Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn | Fuellstoff auf basis von aluminiumhydroxid und verfahren zu seiner herstellung |
| DD242605A1 (de) * | 1985-11-11 | 1987-02-04 | Freiberg Bergakademie | Verfahren zur herstellung einer na tief 2 o-armen sinteraktiven tonerde |
| DD258909A3 (de) * | 1986-04-14 | 1988-08-10 | Leuna Werke Veb | Verfahren zur kurzzeitigen thermoschockbehandlung von anorganischen feststoffgemischen |
| DD248108B5 (de) * | 1986-04-14 | 1993-12-09 | Leuna Werke Ag | Verfahren zur herstellung von praktisch reinem rho-aluminiumoxid |
| DE4010321A1 (de) * | 1990-03-30 | 1991-10-02 | Aquamot Ag | Verfahren zur beseitigung der saeure- und schwermetallverunreinigungen aus fluessigkeiten |
| US5063035A (en) * | 1990-04-23 | 1991-11-05 | American Air Liquide | Enhanced performance of alumina for the removal of low-level fluorine from gas streams |
-
1992
- 1992-08-06 IS IS3896A patent/IS3896A/is unknown
- 1992-08-07 WO PCT/AU1992/000416 patent/WO1993002772A1/en not_active Ceased
- 1992-08-07 DE DE69215853T patent/DE69215853T2/de not_active Expired - Fee Related
- 1992-08-07 CA CA002093340A patent/CA2093340A1/en not_active Abandoned
- 1992-08-07 EP EP92917043A patent/EP0562059B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0562059B1 (en) | 1996-12-11 |
| EP0562059A4 (cg-RX-API-DMAC10.html) | 1994-01-05 |
| DE69215853T2 (de) | 1997-04-03 |
| DE69215853D1 (de) | 1997-01-23 |
| EP0562059A1 (en) | 1993-09-29 |
| WO1993002772A1 (en) | 1993-02-18 |
| IS3896A (is) | 1993-02-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |