JP2012501826A - 触媒および該触媒を使用する方法 - Google Patents
触媒および該触媒を使用する方法 Download PDFInfo
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- JP2012501826A JP2012501826A JP2011525610A JP2011525610A JP2012501826A JP 2012501826 A JP2012501826 A JP 2012501826A JP 2011525610 A JP2011525610 A JP 2011525610A JP 2011525610 A JP2011525610 A JP 2011525610A JP 2012501826 A JP2012501826 A JP 2012501826A
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- Prior art keywords
- catalyst
- chromium
- zinc
- weight
- catalyst according
- Prior art date
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- 239000003054 catalyst Substances 0.000 title claims abstract description 279
- 238000000034 method Methods 0.000 title claims description 60
- 239000011701 zinc Substances 0.000 claims abstract description 117
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 116
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 114
- 239000011651 chromium Substances 0.000 claims abstract description 73
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 71
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 70
- 238000003682 fluorination reaction Methods 0.000 claims abstract description 41
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 60
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims description 60
- CYXIKYKBLDZZNW-UHFFFAOYSA-N 2-Chloro-1,1,1-trifluoroethane Chemical compound FC(F)(F)CCl CYXIKYKBLDZZNW-UHFFFAOYSA-N 0.000 claims description 31
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical class [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 claims description 27
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical class [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims description 23
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 claims description 20
- 238000001354 calcination Methods 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 18
- OHMHBGPWCHTMQE-UHFFFAOYSA-N 2,2-dichloro-1,1,1-trifluoroethane Chemical compound FC(F)(F)C(Cl)Cl OHMHBGPWCHTMQE-UHFFFAOYSA-N 0.000 claims description 17
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 15
- GTLACDSXYULKMZ-UHFFFAOYSA-N pentafluoroethane Chemical compound FC(F)C(F)(F)F GTLACDSXYULKMZ-UHFFFAOYSA-N 0.000 claims description 15
- 229930195733 hydrocarbon Natural products 0.000 claims description 13
- 150000002430 hydrocarbons Chemical class 0.000 claims description 13
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 12
- 239000004215 Carbon black (E152) Substances 0.000 claims description 11
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 229950011008 tetrachloroethylene Drugs 0.000 claims description 11
- 150000008282 halocarbons Chemical class 0.000 claims description 7
- FTBATIJJKIIOTP-UHFFFAOYSA-K trifluorochromium Chemical compound F[Cr](F)F FTBATIJJKIIOTP-UHFFFAOYSA-K 0.000 claims description 6
- BOUGCJDAQLKBQH-UHFFFAOYSA-N 1-chloro-1,2,2,2-tetrafluoroethane Chemical compound FC(Cl)C(F)(F)F BOUGCJDAQLKBQH-UHFFFAOYSA-N 0.000 claims description 3
- 229910021564 Chromium(III) fluoride Inorganic materials 0.000 claims description 2
- PMKVWYPNDMSHAY-UHFFFAOYSA-N [Cr+3].FOF Chemical compound [Cr+3].FOF PMKVWYPNDMSHAY-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000006243 chemical reaction Methods 0.000 description 63
- 239000000203 mixture Substances 0.000 description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- PHFQLYPOURZARY-UHFFFAOYSA-N chromium trinitrate Chemical compound [Cr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PHFQLYPOURZARY-UHFFFAOYSA-N 0.000 description 16
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical group [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 11
- 229910002651 NO3 Inorganic materials 0.000 description 10
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 10
- 238000009826 distribution Methods 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 150000003752 zinc compounds Chemical class 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 8
- VQWFNAGFNGABOH-UHFFFAOYSA-K chromium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Cr+3] VQWFNAGFNGABOH-UHFFFAOYSA-K 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- QCMJBECJXQJLIL-UHFFFAOYSA-L chromium(6+);oxygen(2-);difluoride Chemical compound [O-2].[O-2].[F-].[F-].[Cr+6] QCMJBECJXQJLIL-UHFFFAOYSA-L 0.000 description 7
- 239000008187 granular material Substances 0.000 description 7
- 239000002244 precipitate Substances 0.000 description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 description 6
- 229910000423 chromium oxide Inorganic materials 0.000 description 6
- 230000008929 regeneration Effects 0.000 description 6
- 238000011069 regeneration method Methods 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 239000000908 ammonium hydroxide Substances 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 5
- UOUJSJZBMCDAEU-UHFFFAOYSA-N chromium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Cr+3].[Cr+3] UOUJSJZBMCDAEU-UHFFFAOYSA-N 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- -1 chromium (VI) compound Chemical class 0.000 description 4
- 150000001845 chromium compounds Chemical class 0.000 description 4
- 229910021563 chromium fluoride Inorganic materials 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 4
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 239000000376 reactant Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000000975 co-precipitation Methods 0.000 description 3
- 239000002178 crystalline material Substances 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 150000004820 halides Chemical class 0.000 description 3
- 150000004679 hydroxides Chemical class 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- CJENPNUXCMYXPT-UHFFFAOYSA-N 1-chloro-1,2-difluoroethene Chemical group FC=C(F)Cl CJENPNUXCMYXPT-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 150000001844 chromium Chemical class 0.000 description 2
- RXCXTWLPFKKEMF-UHFFFAOYSA-H chromium(6+);hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Cr+6] RXCXTWLPFKKEMF-UHFFFAOYSA-H 0.000 description 2
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 2
- 238000010574 gas phase reaction Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 229910001026 inconel Inorganic materials 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910000000 metal hydroxide Inorganic materials 0.000 description 2
- 150000004692 metal hydroxides Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000005201 scrubbing Methods 0.000 description 2
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 2
- 150000003751 zinc Chemical class 0.000 description 2
- BHHYHSUAOQUXJK-UHFFFAOYSA-L zinc fluoride Chemical compound F[Zn]F BHHYHSUAOQUXJK-UHFFFAOYSA-L 0.000 description 2
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 2
- BOSAWIQFTJIYIS-UHFFFAOYSA-N 1,1,1-trichloro-2,2,2-trifluoroethane Chemical compound FC(F)(F)C(Cl)(Cl)Cl BOSAWIQFTJIYIS-UHFFFAOYSA-N 0.000 description 1
- UJPMYEOUBPIPHQ-UHFFFAOYSA-N 1,1,1-trifluoroethane Chemical compound CC(F)(F)F UJPMYEOUBPIPHQ-UHFFFAOYSA-N 0.000 description 1
- DDMOUSALMHHKOS-UHFFFAOYSA-N 1,2-dichloro-1,1,2,2-tetrafluoroethane Chemical compound FC(F)(Cl)C(F)(F)Cl DDMOUSALMHHKOS-UHFFFAOYSA-N 0.000 description 1
- RFCAUADVODFSLZ-UHFFFAOYSA-N 1-Chloro-1,1,2,2,2-pentafluoroethane Chemical compound FC(F)(F)C(F)(F)Cl RFCAUADVODFSLZ-UHFFFAOYSA-N 0.000 description 1
- 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 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000004340 Chloropentafluoroethane Substances 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 235000019406 chloropentafluoroethane Nutrition 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- UZEDIBTVIIJELN-UHFFFAOYSA-N chromium(2+) Chemical compound [Cr+2] UZEDIBTVIIJELN-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 229940087091 dichlorotetrafluoroethane Drugs 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910001853 inorganic hydroxide Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- 229910001512 metal fluoride Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000007420 reactivation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 1
- 229940007718 zinc hydroxide Drugs 0.000 description 1
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/26—Chromium
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- B01J27/06—Halogens; Compounds thereof
- B01J27/138—Halogens; Compounds thereof with alkaline earth metals, magnesium, beryllium, zinc, cadmium or mercury
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Abstract
Description
(A)第一反応領域において、1‐クロロ‐2,2,2‐トリフルオロエタンを本発明のフッ素化触媒の存在下、気相中250〜450℃の温度でフッ化水素と反応させて、1,1,1,2‐テトラフルオロエタンおよび塩化水素を未反応出発物質と一緒に含む生成物混合物を生成し、
(B)ステップ(A)の全生成物混合物およびトリクロロエチレンと所望により更なるフッ化水素を、本発明のフッ素化触媒を含む第二反応領域へ運び、該第二反応領域において、気相中180〜350℃でトリクロロエチレンをフッ化水素と反応させて1‐クロロ‐2,2,2‐トリフルオロエタンを生成し、
(C)1‐クロロ‐2,2,2‐トリフルオロエタン、1,1,1,2‐テトラフルオロエタンおよび塩化水素を含んでなる生成物混合物をステップ(B)から集め、
(D)1,1,1,2‐テトラフルオロエタンを回収し、かつ、ステップ(A)の第一反応領域へ運ぶために適した1‐クロロ‐2,2,2‐トリフルオロエタンを含んでなる組成物を生成するようにステップ(C)の生成物を処理し、
(E)ステップ(D)から得られた1‐クロロ‐2,2,2‐トリフルオロエタン組成物を所望により更なるフッ化水素と一緒に該第一反応領域へ運び、そして
(F)ステップ(D)で回収した1,1,1,2‐テトラフルオロエタンを集める
ステップを含んでなる。
(A)第一反応器または複数の第一反応器において、本発明のクロム含有フッ素化触媒の存在下において気相中200〜350℃の温度でペルクロロエチレンをフッ化水素と反応させて、ジクロロトリフルオロエタン、塩化水素、未反応のフッ化水素およびペルクロロエチレン、組成物中有機化合物の総重量を基準として2重量%未満のクロロテトラフルオロエタンおよびペンタフルオロエタンならびに5重量%未満の式C2Cl6−xFxを有する化合物(xは0〜6の整数である)を含んでなる組成物を生成し、
(B)ステップ(A)からの組成物を分離ステップへ付して、組成物中の有機化合物の総重量を基準として、少なくとも95重量%のジクロロトリフルオロエタンおよび0.5重量%未満の式C2Cl6−xFxを有する化合物(xは0〜6の整数である)を含んでなる精製組成物を得て、そして
(C)第二反応器または複数の第二反応器において、本発明のクロム含有フッ素化触媒の存在下において気相中少なくとも280℃の温度でステップ(B)からの組成物をフッ化水素と反応させて、ペンタフルオロエタン、および組成物中の有機化合物の総重量を基準として0.5重量%未満のクロロペンタフルオロエタンを含んでなる組成物を生成する
ステップを含んでなる。
触媒調製
触媒サンプル(触媒A)を次のように1トン/日スケールで製造した。
生成した触媒をサンプリングし、透過型電子顕微鏡を用いてエネルギー分散型X線分析(EDAX)により触媒サンプルの表面全域における亜鉛分布を測定した。
触媒Aを用いて、1‐クロロ‐2,2,2‐トリフルオロエタンとHFとの反応を触媒して1,1,1,2‐テトラフルオロエタンを生成し、使用による触媒活性の低下を測定することによりその安定性を調べた。触媒試験装置は単一のInconel製の反応器チューブを備えていた。
触媒調製
触媒Aを調製するために上記されたものと同様の手順を用いて触媒サンプル(触媒B)を1トンスケールで製造したが、但し静的ミキサーを硝酸クロム/硝酸亜鉛供給ライン内へ設置し、最終触媒の亜鉛分布を改善するためにジェットミキサーを用いて、合わせた供給物を沈殿タンクへ注入した。
得られた触媒をサンプリングし、触媒の表面全域における亜鉛分布を前記のように調べた。触媒Bの典型的サンプルに関する亜鉛分布を図2に示す。
触媒Bを用いて1‐クロロ‐2,2,2‐トリフルオロエタンとHFとの反応を触媒し、その安定性を触媒Aに関して上記したように調べた。
Claims (36)
- ある量の亜鉛を含んでなるクロム含有フッ素化触媒であって、前記亜鉛が、最大直径が1ミクロン以下の大きさを有する凝集物に含まれ、前記凝集物が触媒の少なくとも表面領域全体に分布し、ここで前記亜鉛含有凝集物の40重量%以上が、前記亜鉛含有凝集物中における亜鉛の最頻濃度の±1重量%以内の濃度の亜鉛を含有している、触媒。
- 前記亜鉛含有凝集物の50重量%以上が、前記亜鉛含有凝集物中における亜鉛の最頻濃度の±1重量%以内の濃度の亜鉛を含有している、請求項1に記載の触媒。
- 前記亜鉛含有凝集物の60重量%以上が、前記亜鉛含有凝集物中における亜鉛の最頻濃度の±1重量%以内の濃度の亜鉛を含有している、請求項1に記載の触媒。
- 前記亜鉛含有凝集物の70重量%以上が、前記亜鉛含有凝集物中における亜鉛の最頻濃度の±1重量%以内の濃度の亜鉛を含有している、請求項1に記載の触媒。
- 前記亜鉛含有凝集物の80重量%以上が、前記亜鉛含有凝集物中における亜鉛の最頻濃度の±2重量%以内の濃度の亜鉛を含有している、請求項1〜4のいずれか一項に記載の触媒。
- 前記亜鉛含有凝集物の85重量%以上が、前記亜鉛含有凝集物中における亜鉛の最頻濃度の±2重量%以内の濃度の亜鉛を含有している、請求項1〜4のいずれか一項に記載の触媒。
- 前記亜鉛含有凝集物の90重量%以上が、前記亜鉛含有凝集物中における亜鉛の最頻濃度の±2重量%以内の濃度の亜鉛を含有している、請求項1〜4のいずれか一項に記載の触媒。
- 前記触媒表面の各平方ミリメートルまたは前記触媒バルクの各平方ミリメートルにおける前記亜鉛含有凝集物の数が、前記触媒表面または前記触媒バルクの平方ミリメートル当たりにおける前記亜鉛含有凝集物の平均数の±2%以内である、請求項1〜7のいずれか一項に記載の触媒。
- 前記亜鉛含有凝集物が前記触媒バルクの全体にわたって分布している、請求項1〜8のいずれか一項に記載の触媒。
- 前記亜鉛含有凝集物が20nm〜1ミクロンの範囲の大きさを有している、請求項1〜9のいずれか一項に記載の触媒。
- 前記触媒が、クロミア、フッ化クロム(III)、フッ素化クロミアおよびオキシフッ化クロム(III)からなる群より選択される1種以上のクロム(III)化合物を含んでなる、請求項1〜10のいずれか一項に記載の触媒。
- 前記触媒がか焼プロセスに付されたものである、請求項11に記載の触媒。
- 前記触媒がか焼プロセスに付され、その後続けてフッ素化されたものである、請求項11に記載の触媒。
- 前記触媒がか焼プロセスに付され、その後続けてフッ化水素で処理されたものである、請求項13に記載の触媒。
- 前記クロムの総重量を基準として、前記触媒中のクロムの92.0〜100重量%がクロム(III)として存在している、請求項11〜14のいずれか一項に記載の触媒。
- 1種以上のクロム(VI)化合物を更に含んでなり、前記クロムの総重量を基準として、前記触媒中のクロムの0.1〜8.0重量%がクロム(VI)として存在している、請求項11〜14のいずれか一項に記載の触媒。
- 前記クロムの総重量を基準として、前記触媒中のクロムの92.0〜99.9重量%がクロム(III)として存在している、請求項16に記載の触媒。
- 1種以上のクロム(VI)化合物を更に含んでなり、前記クロムの総重量を基準として、前記触媒中のクロムの0.1〜6.0重量%がクロム(VI)として存在している、請求項11〜14のいずれか一項に記載の触媒。
- 前記クロムの総重量を基準として、前記触媒中のクロムの94.0〜99.9重量%がクロム(III)として存在している、請求項18に記載の触媒。
- 1種以上のクロム(VI)化合物を更に含んでなり、前記クロムの総重量を基準として、前記触媒中のクロムの0.5〜4.0重量%がクロム(VI)として存在している、請求項11〜14のいずれか一項に記載の触媒。
- 前記クロムの総重量を基準として、前記触媒中のクロムの96.0〜99.5重量%がクロム(III)として存在している、請求項20に記載の触媒。
- 1種以上のクロム(VI)化合物を更に含んでなり、前記クロムの総重量を基準として、触媒中のクロムの1.0〜2.0重量%がクロム(VI)として存在している、請求項11〜14のいずれか一項に記載の触媒。
- 前記クロムの総重量を基準として、前記触媒中のクロムの98.0〜99.0重量%がクロム(III)として存在している、請求項22に記載の触媒。
- 前記亜鉛が、前記触媒の総重量を基準として、0.5〜25.0重量%の量で前記触媒中に存在している、請求項1〜23のいずれか一項に記載の触媒。
- 前記亜鉛が、前記触媒の総重量を基準として、0.5〜10.0重量%の量で前記触媒中に存在している、請求項1〜23のいずれか一項に記載の触媒。
- 前記亜鉛が、前記触媒の総重量を基準として、1.0〜6.0重量%の量で前記触媒中に存在している、請求項1〜23のいずれか一項に記載の触媒。
- 前記触媒が非晶質である、請求項1〜26のいずれか一項に記載の触媒。
- 前記触媒が部分的に結晶質で、0.4〜5重量%の1種以上のクロムの結晶化合物および/または1種以上の亜鉛の結晶化合物を含有している、請求項1〜26のいずれか一項に記載の触媒。
- 前記触媒の表面積が20〜300m2/gの範囲である、請求項1〜28のいずれか一項に記載の触媒。
- 前記触媒の表面積が100〜250m2/gの範囲である、請求項1〜28のいずれか一項に記載の触媒。
- 前記触媒の表面積が180〜220m2/gの範囲である、請求項1〜28のいずれか一項に記載の触媒。
- フッ素化炭化水素を製造する方法であって、請求項1〜31のいずれか一項で記載されているようなフッ素化触媒の存在下において、気相中高温で炭化水素またはハロゲン化炭化水素をフッ化水素と反応させることを含んでなる、方法。
- 1‐クロロ‐2,2,2‐トリフルオロエタンが前記触媒の存在下でフッ化水素と反応して、1,1,1,2‐テトラフルオロエタンを生成する、請求項32に記載の方法。
- トリクロロエチレンが前記触媒の存在下でフッ化水素と反応して、1‐クロロ‐2,2,2‐トリフルオロエタンを生成する、請求項32に記載の方法。
- ジクロロトリフルオロエタンが前記触媒の存在下でフッ化水素と反応して、ペンタフルオロエタンを生成する、請求項32に記載の方法。
- ペルクロロエチレンが、前記触媒の存在下でフッ化水素と反応して、ジクロロトリフルオロエタン、クロロテトラフルオロエタンおよび/またはペンタフルオロエタンを生成する、請求項32に記載の方法。
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- 2009-09-04 WO PCT/GB2009/002124 patent/WO2010026382A2/en active Application Filing
- 2009-09-04 ES ES09748828T patent/ES2899222T3/es active Active
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- 2009-09-04 KR KR1020117007619A patent/KR101343471B1/ko active IP Right Grant
- 2009-09-04 CN CN200980139847.5A patent/CN102176969B/zh active Active
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2016
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JP2019529085A (ja) * | 2016-09-07 | 2019-10-17 | メキシケム フロー エセ・ア・デ・セ・ヴェ | 触媒およびこの触媒を用いるフッ素化炭化水素の製造プロセス |
JP2019532799A (ja) * | 2016-09-07 | 2019-11-14 | メキシケム フロー エセ・ア・デ・セ・ヴェ | 触媒およびこの触媒を用いるフッ素化炭化水素の製造プロセス |
JP2021087952A (ja) * | 2016-09-07 | 2021-06-10 | メキシケム フロー エセ・ア・デ・セ・ヴェ | 触媒およびこの触媒を用いるフッ素化炭化水素の製造プロセス |
US11406965B2 (en) | 2016-09-07 | 2022-08-09 | Mexichem Fluor S.A. De C.V. | Catalyst and process using the catalyst for manufacturing fluorinated hydrocarbons |
JP7132378B2 (ja) | 2016-09-07 | 2022-09-06 | メキシケム フロー エセ・ア・デ・セ・ヴェ | 触媒およびこの触媒を用いるフッ素化炭化水素の製造プロセス |
US11452990B2 (en) | 2016-09-07 | 2022-09-27 | Mexichem Fluor S.A. De C.V. | Catalyst and process using the catalyst for manufacturing fluorinated hydrocarbons |
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Also Published As
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JP5242793B2 (ja) | 2013-07-24 |
GB0816208D0 (en) | 2008-10-15 |
EP2334427B1 (en) | 2021-11-03 |
US20170087535A1 (en) | 2017-03-30 |
KR20110051270A (ko) | 2011-05-17 |
US9556079B2 (en) | 2017-01-31 |
US20120116131A1 (en) | 2012-05-10 |
EP2334427A2 (en) | 2011-06-22 |
WO2010026382A2 (en) | 2010-03-11 |
US10974227B2 (en) | 2021-04-13 |
US20180318797A1 (en) | 2018-11-08 |
KR101343471B1 (ko) | 2014-01-15 |
CN102176969B (zh) | 2014-02-26 |
WO2010026382A3 (en) | 2010-04-29 |
CN102176969A (zh) | 2011-09-07 |
MX2011002368A (es) | 2011-10-11 |
ES2899222T3 (es) | 2022-03-10 |
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