CA1066878A - Recovery of halides - Google Patents
Recovery of halidesInfo
- Publication number
- CA1066878A CA1066878A CA234,289A CA234289A CA1066878A CA 1066878 A CA1066878 A CA 1066878A CA 234289 A CA234289 A CA 234289A CA 1066878 A CA1066878 A CA 1066878A
- Authority
- CA
- Canada
- Prior art keywords
- reaction mixture
- gaseous
- reaction product
- stream
- effluent
- 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
- 238000011084 recovery Methods 0.000 title description 7
- 150000004820 halides Chemical class 0.000 title description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 69
- 238000000034 method Methods 0.000 claims abstract description 36
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 25
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 23
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 claims abstract description 20
- 239000007787 solid Substances 0.000 claims abstract description 19
- 150000001412 amines Chemical class 0.000 claims abstract description 16
- -1 tin chloride Chemical class 0.000 claims abstract description 16
- 229910001507 metal halide Inorganic materials 0.000 claims abstract description 14
- 150000005309 metal halides Chemical class 0.000 claims abstract description 14
- 239000011521 glass Substances 0.000 claims description 25
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 claims description 17
- 239000011541 reaction mixture Substances 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 10
- 239000000047 product Substances 0.000 claims description 9
- 238000000197 pyrolysis Methods 0.000 claims description 7
- 239000007792 gaseous phase Substances 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 238000005201 scrubbing Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 51
- 238000006243 chemical reaction Methods 0.000 description 23
- 238000012360 testing method Methods 0.000 description 18
- 229910008046 SnC14 Inorganic materials 0.000 description 17
- 238000000576 coating method Methods 0.000 description 16
- 239000003570 air Substances 0.000 description 10
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 239000002253 acid Substances 0.000 description 7
- 239000012080 ambient air Substances 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 239000003517 fume Substances 0.000 description 5
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 4
- 230000005587 bubbling Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 230000036647 reaction Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- PKKGKUDPKRTKLJ-UHFFFAOYSA-L dichloro(dimethyl)stannane Chemical compound C[Sn](C)(Cl)Cl PKKGKUDPKRTKLJ-UHFFFAOYSA-L 0.000 description 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 3
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 235000013405 beer Nutrition 0.000 description 2
- YMLFYGFCXGNERH-UHFFFAOYSA-K butyltin trichloride Chemical compound CCCC[Sn](Cl)(Cl)Cl YMLFYGFCXGNERH-UHFFFAOYSA-K 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- RJGHQTVXGKYATR-UHFFFAOYSA-L dibutyl(dichloro)stannane Chemical compound CCCC[Sn](Cl)(Cl)CCCC RJGHQTVXGKYATR-UHFFFAOYSA-L 0.000 description 2
- 239000012717 electrostatic precipitator Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000012265 solid product Substances 0.000 description 2
- QPBYLOWPSRZOFX-UHFFFAOYSA-J tin(iv) iodide Chemical compound I[Sn](I)(I)I QPBYLOWPSRZOFX-UHFFFAOYSA-J 0.000 description 2
- JBIQAPKSNFTACH-UHFFFAOYSA-K vanadium oxytrichloride Chemical compound Cl[V](Cl)(Cl)=O JBIQAPKSNFTACH-UHFFFAOYSA-K 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- XOJVVFBFDXDTEG-UHFFFAOYSA-N Norphytane Natural products CC(C)CCCC(C)CCCC(C)CCCC(C)C XOJVVFBFDXDTEG-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910010066 TiC14 Inorganic materials 0.000 description 1
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 1
- 229910021623 Tin(IV) bromide Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- GCTFWCDSFPMHHS-UHFFFAOYSA-M Tributyltin chloride Chemical compound CCCC[Sn](Cl)(CCCC)CCCC GCTFWCDSFPMHHS-UHFFFAOYSA-M 0.000 description 1
- 229910021552 Vanadium(IV) chloride Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- LUZSPGQEISANPO-UHFFFAOYSA-N butyltin Chemical compound CCCC[Sn] LUZSPGQEISANPO-UHFFFAOYSA-N 0.000 description 1
- ZHXZNKNQUHUIGN-UHFFFAOYSA-N chloro hypochlorite;vanadium Chemical compound [V].ClOCl ZHXZNKNQUHUIGN-UHFFFAOYSA-N 0.000 description 1
- KWTSZCJMWHGPOS-UHFFFAOYSA-M chloro(trimethyl)stannane Chemical compound C[Sn](C)(C)Cl KWTSZCJMWHGPOS-UHFFFAOYSA-M 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- MHBDCGGSFSTHRS-UHFFFAOYSA-L di(propan-2-yl)tin(2+);dibromide Chemical compound CC(C)[Sn](Br)(Br)C(C)C MHBDCGGSFSTHRS-UHFFFAOYSA-L 0.000 description 1
- ISXUHJXWYNONDI-UHFFFAOYSA-L dichloro(diphenyl)stannane Chemical compound C=1C=CC=CC=1[Sn](Cl)(Cl)C1=CC=CC=C1 ISXUHJXWYNONDI-UHFFFAOYSA-L 0.000 description 1
- YREAYUWMESCMHJ-UHFFFAOYSA-L didodecyltin(2+);dichloride Chemical compound CCCCCCCCCCCC[Sn](Cl)(Cl)CCCCCCCCCCCC YREAYUWMESCMHJ-UHFFFAOYSA-L 0.000 description 1
- 150000004656 dimethylamines Chemical class 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000003947 ethylamines Chemical class 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- KZKQGUVWZYKJBN-UHFFFAOYSA-N methyl 5-methylsulfonylpyridine-3-carboxylate Chemical compound COC(=O)C1=CN=CC(S(C)(=O)=O)=C1 KZKQGUVWZYKJBN-UHFFFAOYSA-N 0.000 description 1
- 239000005055 methyl trichlorosilane Substances 0.000 description 1
- JLUFWMXJHAVVNN-UHFFFAOYSA-N methyltrichlorosilane Chemical compound C[Si](Cl)(Cl)Cl JLUFWMXJHAVVNN-UHFFFAOYSA-N 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- CHLRCHBMOWFSCP-UHFFFAOYSA-N pentyl hypochlorite;vanadium Chemical compound [V].CCCCCOCl CHLRCHBMOWFSCP-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000006308 propyl amino group Chemical group 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000001119 stannous chloride Substances 0.000 description 1
- 235000011150 stannous chloride Nutrition 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- LTSUHJWLSNQKIP-UHFFFAOYSA-J tin(iv) bromide Chemical compound Br[Sn](Br)(Br)Br LTSUHJWLSNQKIP-UHFFFAOYSA-J 0.000 description 1
- GOWIXKGLTIIPQR-UHFFFAOYSA-K tribromo(ethyl)stannane Chemical compound CC[Sn](Br)(Br)Br GOWIXKGLTIIPQR-UHFFFAOYSA-K 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- JTJFQBNJBPPZRI-UHFFFAOYSA-J vanadium tetrachloride Chemical compound Cl[V](Cl)(Cl)Cl JTJFQBNJBPPZRI-UHFFFAOYSA-J 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000005200 wet scrubbing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
- C03C17/23—Oxides
- C03C17/245—Oxides by deposition from the vapour phase
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/20—Materials for coating a single layer on glass
- C03C2217/21—Oxides
- C03C2217/211—SnO2
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/20—Materials for coating a single layer on glass
- C03C2217/21—Oxides
- C03C2217/212—TiO2
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/15—Deposition methods from the vapour phase
- C03C2218/152—Deposition methods from the vapour phase by cvd
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Surface Treatment Of Glass (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/528,503 US3956532A (en) | 1974-11-29 | 1974-11-29 | Recovery of metal halides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1066878A true CA1066878A (en) | 1979-11-27 |
Family
ID=24105934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA234,289A Expired CA1066878A (en) | 1974-11-29 | 1975-08-27 | Recovery of halides |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3956532A (enExample) |
| JP (1) | JPS583731B2 (enExample) |
| BE (1) | BE834561A (enExample) |
| BR (1) | BR7506786A (enExample) |
| CA (1) | CA1066878A (enExample) |
| DE (1) | DE2547923C3 (enExample) |
| ES (1) | ES441438A1 (enExample) |
| FR (1) | FR2292515A1 (enExample) |
| GB (1) | GB1513430A (enExample) |
| IT (1) | IT1047118B (enExample) |
| NL (1) | NL182291C (enExample) |
| ZA (1) | ZA755590B (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1520124A (en) * | 1974-09-18 | 1978-08-02 | M & T Chemicals Inc | Process for applying stannic oxide coatings to glass |
| IL58527A (en) * | 1978-11-13 | 1982-09-30 | Hughes Aircraft Co | Process and apparatus for pumping and removal of waste gases |
| US4444734A (en) * | 1978-11-13 | 1984-04-24 | Hughes Aircraft Company | Process for pumping gases using a chemically reactive aerosol |
| US4389229A (en) * | 1981-10-01 | 1983-06-21 | Western Electric Co., Inc. | Methods and apparatus for fabricating a lightguide preform |
| DE3143958A1 (de) * | 1981-11-05 | 1983-05-26 | AEG-Telefunken Kabelwerke AG, Rheydt, 4050 Mönchengladbach | Verfahren zur herstellung einer vorform fuer lichtleitfasern |
| DE3338852C2 (de) * | 1982-12-11 | 1987-02-26 | Man Technologie Gmbh, 8000 Muenchen | Verfahren zum oxidativen Beschichten von metallischen Werkstoffen |
| WO1984003641A1 (en) * | 1983-03-18 | 1984-09-27 | Edwards Enterprises J | Gas scrubbing method and apparatus |
| US4511545A (en) * | 1983-05-10 | 1985-04-16 | American Engineering Group International, Inc. | Process for treating overspray gas from glass coating operation with metal recovery |
| US4612176A (en) * | 1983-05-10 | 1986-09-16 | Stone Carroll E | Process for treating metal halides and organo substituted metal halides with metal recovery |
| WO1988007022A1 (en) * | 1987-03-18 | 1988-09-22 | Radian Corporation | Waste-gas treatment process |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2167358A (en) * | 1936-11-21 | 1939-07-25 | Standard Oil Dev Co | Method of recovering condensing agents |
| US3789109A (en) * | 1971-08-13 | 1974-01-29 | United Mcgill Corp | Method for cleaning a gas |
| US3690041A (en) * | 1971-09-30 | 1972-09-12 | Du Pont | SCRUBBING OF GASES CONTAINING TiCl{11 |
-
1974
- 1974-11-29 US US05/528,503 patent/US3956532A/en not_active Expired - Lifetime
-
1975
- 1975-08-27 CA CA234,289A patent/CA1066878A/en not_active Expired
- 1975-09-02 ZA ZA755590A patent/ZA755590B/xx unknown
- 1975-09-16 FR FR7528391A patent/FR2292515A1/fr active Granted
- 1975-09-16 IT IT51361/75A patent/IT1047118B/it active
- 1975-10-02 ES ES441438A patent/ES441438A1/es not_active Expired
- 1975-10-07 NL NLAANVRAGE7511746,A patent/NL182291C/xx not_active IP Right Cessation
- 1975-10-15 GB GB42147/75A patent/GB1513430A/en not_active Expired
- 1975-10-16 BE BE160978A patent/BE834561A/xx not_active IP Right Cessation
- 1975-10-16 BR BR7506786*A patent/BR7506786A/pt unknown
- 1975-10-21 JP JP50126013A patent/JPS583731B2/ja not_active Expired
- 1975-10-25 DE DE2547923A patent/DE2547923C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2292515B1 (enExample) | 1982-06-04 |
| IT1047118B (it) | 1980-09-10 |
| DE2547923B2 (de) | 1977-08-25 |
| ES441438A1 (es) | 1977-03-01 |
| DE2547923C3 (de) | 1978-05-03 |
| JPS583731B2 (ja) | 1983-01-22 |
| BE834561A (fr) | 1976-02-16 |
| ZA755590B (en) | 1977-04-27 |
| US3956532A (en) | 1976-05-11 |
| NL7511746A (nl) | 1976-06-01 |
| BR7506786A (pt) | 1976-08-10 |
| NL182291C (nl) | 1988-02-16 |
| DE2547923A1 (de) | 1976-08-12 |
| JPS5165075A (en) | 1976-06-05 |
| AU8573675A (en) | 1976-12-23 |
| FR2292515A1 (fr) | 1976-06-25 |
| GB1513430A (en) | 1978-06-07 |
| NL182291B (nl) | 1987-09-16 |
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