CA1038136A - Dry scrubbing tar ladened reduction cell off gases to remove fluorides - Google Patents
Dry scrubbing tar ladened reduction cell off gases to remove fluoridesInfo
- Publication number
- CA1038136A CA1038136A CA211,388A CA211388A CA1038136A CA 1038136 A CA1038136 A CA 1038136A CA 211388 A CA211388 A CA 211388A CA 1038136 A CA1038136 A CA 1038136A
- Authority
- CA
- Canada
- Prior art keywords
- alumina
- gaseous stream
- fluoride
- gaseous
- stream
- 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
- 230000009467 reduction Effects 0.000 title claims abstract description 18
- 239000007789 gas Substances 0.000 title abstract description 42
- 150000002222 fluorine compounds Chemical class 0.000 title abstract description 11
- 238000005203 dry scrubbing Methods 0.000 title description 2
- 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 75
- 238000000034 method Methods 0.000 claims abstract description 30
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 23
- 239000013618 particulate matter Substances 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000006722 reduction reaction Methods 0.000 description 15
- 239000011269 tar Substances 0.000 description 13
- 239000003575 carbonaceous material Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000012717 electrostatic precipitator Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 229910001610 cryolite Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- -1 cryolite (Na3AlF6) Chemical class 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- PPPLOTGLKDTASM-UHFFFAOYSA-A pentasodium;pentafluoroaluminum(2-);tetrafluoroalumanuide Chemical compound [F-].[F-].[F-].[F-].[F-].[F-].[F-].[F-].[F-].[F-].[F-].[F-].[F-].[F-].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3] PPPLOTGLKDTASM-UHFFFAOYSA-A 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003911 water pollution Methods 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/06—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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
- B01D53/10—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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds with dispersed adsorbents
- B01D53/12—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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds with dispersed adsorbents according to the "fluidised technique"
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (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 |
|---|---|---|---|
| US40905173A | 1973-10-24 | 1973-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1038136A true CA1038136A (en) | 1978-09-12 |
Family
ID=23618857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA211,388A Expired CA1038136A (en) | 1973-10-24 | 1974-10-15 | Dry scrubbing tar ladened reduction cell off gases to remove fluorides |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5215470B2 (ja) |
| CA (1) | CA1038136A (ja) |
| DE (1) | DE2449940C2 (ja) |
| GB (1) | GB1480261A (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4319890A (en) * | 1978-04-05 | 1982-03-16 | Teller Environmental Systems, Inc. | Dry impact capture of aerosol particulates |
| DE2935464C2 (de) * | 1979-09-01 | 1987-05-07 | Heinz Dipl.-Ing. 4390 Gladbeck Hölter | Verfahren für die trockene Chemisorption in Filterabscheidern |
| NO307042B1 (no) * | 1996-06-06 | 2000-01-31 | Flaekt Ab | Horisontal fluidseng for transport og distribusjon av pulver |
-
1974
- 1974-10-15 CA CA211,388A patent/CA1038136A/en not_active Expired
- 1974-10-16 GB GB4487674A patent/GB1480261A/en not_active Expired
- 1974-10-21 DE DE19742449940 patent/DE2449940C2/de not_active Expired
- 1974-10-23 JP JP49122314A patent/JPS5215470B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1480261A (en) | 1977-07-20 |
| DE2449940C2 (de) | 1983-10-20 |
| AU7440874A (en) | 1976-04-29 |
| JPS5089268A (ja) | 1975-07-17 |
| JPS5215470B2 (ja) | 1977-04-30 |
| DE2449940A1 (de) | 1975-04-30 |
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