KR20160017661A - 헥사플루오로프로필렌으로부터 2,3,3,3-테트라플루오로프로펜과 1,3,3,3-테트라플루오로프로펜의 제조방법 - Google Patents
헥사플루오로프로필렌으로부터 2,3,3,3-테트라플루오로프로펜과 1,3,3,3-테트라플루오로프로펜의 제조방법 Download PDFInfo
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- KR20160017661A KR20160017661A KR1020160011642A KR20160011642A KR20160017661A KR 20160017661 A KR20160017661 A KR 20160017661A KR 1020160011642 A KR1020160011642 A KR 1020160011642A KR 20160011642 A KR20160011642 A KR 20160011642A KR 20160017661 A KR20160017661 A KR 20160017661A
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- hfo
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- tetrafluoropropene
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- CDOOAUSHHFGWSA-OWOJBTEDSA-N (e)-1,3,3,3-tetrafluoroprop-1-ene Chemical compound F\C=C\C(F)(F)F CDOOAUSHHFGWSA-OWOJBTEDSA-N 0.000 title claims abstract description 145
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 title claims abstract description 46
- FXRLMCRCYDHQFW-UHFFFAOYSA-N 2,3,3,3-tetrafluoropropene Chemical compound FC(=C)C(F)(F)F FXRLMCRCYDHQFW-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims description 70
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 229
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims description 134
- 238000005796 dehydrofluorination reaction Methods 0.000 claims description 103
- 238000009835 boiling Methods 0.000 claims description 94
- FYIRUPZTYPILDH-UHFFFAOYSA-N 1,1,1,2,3,3-hexafluoropropane Chemical compound FC(F)C(F)C(F)(F)F FYIRUPZTYPILDH-UHFFFAOYSA-N 0.000 claims description 93
- 239000003054 catalyst Substances 0.000 claims description 88
- 238000006243 chemical reaction Methods 0.000 claims description 88
- 239000000203 mixture Substances 0.000 claims description 78
- 238000010521 absorption reaction Methods 0.000 claims description 75
- 238000005984 hydrogenation reaction Methods 0.000 claims description 74
- 238000004821 distillation Methods 0.000 claims description 51
- 229910052739 hydrogen Inorganic materials 0.000 claims description 40
- 239000001257 hydrogen Substances 0.000 claims description 40
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 230000008569 process Effects 0.000 claims description 29
- ZDCWZRQSHBQRGN-UHFFFAOYSA-N 1,1,1,2,3-pentafluoropropane Chemical compound FCC(F)C(F)(F)F ZDCWZRQSHBQRGN-UHFFFAOYSA-N 0.000 claims description 28
- NSGXIBWMJZWTPY-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropane Chemical compound FC(F)(F)CC(F)(F)F NSGXIBWMJZWTPY-UHFFFAOYSA-N 0.000 claims description 26
- -1 metal oxide fluoride Chemical class 0.000 claims description 22
- DMUPYMORYHFFCT-UPHRSURJSA-N (z)-1,2,3,3,3-pentafluoroprop-1-ene Chemical compound F\C=C(/F)C(F)(F)F DMUPYMORYHFFCT-UPHRSURJSA-N 0.000 claims description 21
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 20
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 15
- 239000007795 chemical reaction product Substances 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000011541 reaction mixture Substances 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 239000011651 chromium Substances 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 239000011777 magnesium Substances 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims description 6
- 239000012808 vapor phase Substances 0.000 claims description 6
- 239000007792 gaseous phase Substances 0.000 claims description 5
- 229910052763 palladium Inorganic materials 0.000 claims description 5
- VJGCZWVJDRIHNC-UHFFFAOYSA-N 1-fluoroprop-1-ene Chemical compound CC=CF VJGCZWVJDRIHNC-UHFFFAOYSA-N 0.000 claims description 4
- NDMMKOCNFSTXRU-UHFFFAOYSA-N 1,1,2,3,3-pentafluoroprop-1-ene Chemical compound FC(F)C(F)=C(F)F NDMMKOCNFSTXRU-UHFFFAOYSA-N 0.000 claims description 3
- JRHNUZCXXOTJCA-UHFFFAOYSA-N 1-fluoropropane Chemical compound CCCF JRHNUZCXXOTJCA-UHFFFAOYSA-N 0.000 claims description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 6
- PGJHURKAWUJHLJ-UHFFFAOYSA-N 1,1,2,3-tetrafluoroprop-1-ene Chemical compound FCC(F)=C(F)F PGJHURKAWUJHLJ-UHFFFAOYSA-N 0.000 claims 2
- 239000007789 gas Substances 0.000 description 32
- 239000002994 raw material Substances 0.000 description 31
- 239000007864 aqueous solution Substances 0.000 description 28
- 239000000047 product Substances 0.000 description 27
- 239000006227 byproduct Substances 0.000 description 20
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 19
- 239000000463 material Substances 0.000 description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 17
- 239000004800 polyvinyl chloride Substances 0.000 description 17
- 239000000243 solution Substances 0.000 description 16
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 13
- 150000001875 compounds Chemical class 0.000 description 13
- 229920000915 polyvinyl chloride Polymers 0.000 description 13
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- 239000003513 alkali Substances 0.000 description 9
- 150000002894 organic compounds Chemical class 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- YFMFNYKEUDLDTL-UHFFFAOYSA-N 1,1,1,2,3,3,3-heptafluoropropane Chemical compound FC(F)(F)C(F)C(F)(F)F YFMFNYKEUDLDTL-UHFFFAOYSA-N 0.000 description 8
- 239000004743 Polypropylene Substances 0.000 description 8
- 239000013067 intermediate product Substances 0.000 description 8
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- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 229920001155 polypropylene Polymers 0.000 description 8
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- 239000012071 phase Substances 0.000 description 7
- 229920000573 polyethylene Polymers 0.000 description 7
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000011151 fibre-reinforced plastic Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 description 6
- FDOPVENYMZRARC-UHFFFAOYSA-N 1,1,1,2,2-pentafluoropropane Chemical compound CC(F)(F)C(F)(F)F FDOPVENYMZRARC-UHFFFAOYSA-N 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 150000002431 hydrogen Chemical class 0.000 description 5
- 239000000395 magnesium oxide Substances 0.000 description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 5
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 239000012670 alkaline solution Substances 0.000 description 4
- 239000003085 diluting agent Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
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- 239000003507 refrigerant Substances 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229920001903 high density polyethylene Polymers 0.000 description 3
- 239000004700 high-density polyethylene Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910001055 inconels 600 Inorganic materials 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
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- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 238000010670 acid alkali reaction Methods 0.000 description 2
- 238000010533 azeotropic distillation Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
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- 230000005494 condensation Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- PFFGXVGPSGJOBV-UHFFFAOYSA-N 1,1,1,3-tetrafluoropropane Chemical compound FCCC(F)(F)F PFFGXVGPSGJOBV-UHFFFAOYSA-N 0.000 description 1
- GQUXQQYWQKRCPL-UHFFFAOYSA-N 1,1,2,2,3,3-hexafluorocyclopropane Chemical compound FC1(F)C(F)(F)C1(F)F GQUXQQYWQKRCPL-UHFFFAOYSA-N 0.000 description 1
- QAERDLQYXMEHEB-UHFFFAOYSA-N 1,1,3,3,3-pentafluoroprop-1-ene Chemical compound FC(F)=CC(F)(F)F QAERDLQYXMEHEB-UHFFFAOYSA-N 0.000 description 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N EtOH Substances CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- QCMJBECJXQJLIL-UHFFFAOYSA-L chromium(6+);oxygen(2-);difluoride Chemical compound [O-2].[O-2].[F-].[F-].[Cr+6] QCMJBECJXQJLIL-UHFFFAOYSA-L 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- 239000004615 ingredient Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C21/00—Acyclic unsaturated compounds containing halogen atoms
- C07C21/02—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds
- C07C21/18—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
도 2. 본 발명의 일 실시예에 따른 불화수소 흡수탑을 이용하여 고농도의 불화수소산 수용액을 얻기 위한 불화수소 흡수 공정도.
| 성분 | normal boiling point |
| HFP | -29.6 ℃ |
| HFO-1234yf | -29.0 ℃ |
| HFO-1225zc | -21.2 ℃ |
| HFO-1225ye(Z-form) | -19.5 ℃ |
| HFC-245cb | -18.4 ℃ |
| HFC-227ea | -16.0 ℃ |
| HFO-1225ye(E-form) | -15.3 ℃ |
| HFC-236fa | - 1.0 ℃ |
| HFC-236ea | 6.0 ℃ |
| HFC-245fa | 15.3 ℃ |
| HFC-245eb | 23.0 ℃ |
| HF | 19.5 ℃ |
20: 가스 유입관
30: 물 공급관
31: 물분사노즐
40: 탑저 탱크
50: 순환 펌프
60: 불산공급관
61: 불산분사노즐
70: 불산 배출관
80: 가스 배출관
Claims (17)
- (a) 1,1,2,3,3,3-헥사플루오로프로필렌(HFP)과 수소를 수소화 촉매 상에서 수소화 반응시켜 1,1,2,3,3,3-헥사플루오로프로판(HFC-236ea)을 생성하는 단계;
(b) 상기 1,1,2,3,3,3-헥사플루오로프로판(HFC-236ea)을 탈불화수소 촉매 상에서 탈불화수소반응시켜 1,2,3,3,3-펜타플루오로프로펜(HFO-1225ye)을 생성하는 단계;
(c) 상기 (b) 단계에서 생성된 1,2,3,3,3-펜타플루오로프로펜(HFO-1225ye)을 포함하는 탈불화수소 반응생성 혼합물을 물과 접촉시켜 불화수소를 고농도 불화수소산으로 회수하는 단계;
(d) 상기 (c) 단계에서 생성된 불화수소가 제거된 1,2,3,3,3-펜타플루오로프로펜(HFO-1225ye)을 포함하는 혼합물에서 1,2,3,3,3-펜타플루오로프로펜(HFO-1225ye)의 비점보다 14 ℃ 이상 높은 비점을 갖는 성분을 증류 분리하여 1,2,3,3,3-펜타플루오로프로펜(HFO-1225ye)을 정제하는 단계;
(e) 상기 (d) 단계에서 정제된 1,2,3,3,3-펜타플루오로프로펜(HFO-1225ye)과 수소를 수소화 촉매 상에서 반응시켜 1,2,3,3,3-펜타플루오로프로판(HFC-245eb)을 생성하는 단계;
(f) 상기 (e) 단계에서 생성된 1,2,3,3,3-펜타플루오로프로판(HFC-245eb)을 포함하는 혼합물에서 1,2,3,3,3-펜타플루오로프로판(HFC-245eb)의 비점보다 17 ℃ 이상 낮은 비점을 갖는 성분을 증류 분리하여 1,2,3,3,3-펜타플루오로프로판(HFC-245eb)을 정제하는 단계;
(g) 상기 (f) 단계에서 정제된 1,2,3,3,3-펜타플루오로프로판(HFC-245eb)을 탈불화수소 촉매 상에서 탈불화수소반응시켜 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)을 생성하는 단계;
(h) 상기 (g) 단계에서 생성된 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)와 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)을 포함하는 탈불화수소 반응생성 혼합물을 물과 접촉시켜 불화수소를 고농도 불화수소산으로 회수하는 단계;
(i) 상기 (h) 단계에서 불화수소가 제거된 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)을 포함하는 혼합물에서 상기 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 비점보다 25 ℃ 이상 높은 비점을 갖는 성분을 증류 분리하여 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 혼합물을 정제하는 단계; 및
(j) 상기 (i) 단계에서 정제된 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 혼합물에서 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)을 분리하여 정제하는 단계;를 포함하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 제조방법 - 제1항에 있어서, 상기 (d) 단계에서 증류 분리된 1,2,3,3,3-펜타플루오로프로펜(HFO-1225ye)의 비점보다 14 ℃ 이상 높은 비점을 갖는 성분의 전부 또는 일부를 상기 (b) 단계의 탈불화수소반응에 순환시키는 단계를 더 포함하는 것을 특징으로 하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 제조방법.
- 제1항에 있어서, 상기 (f) 단계에서 증류 분리된 1,2,3,3,3-펜타플루오로프로판(HFC-245eb)의 비점보다 17 ℃ 이상 낮은 비점을 갖는 성분의 전부 또는 일부를 상기 (e) 단계의 수소화 반응에 순환시키는 단계를 더 포함하는 것을 특징으로 하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 제조방법.
- 제1항에 있어서, 상기 (i) 단계에서 증류 분리된 1,3,3,3-테트라플루오로프로펜(HFO-1234ze)의 비점보다 25 ℃ 이상 높은 비점을 갖는 성분의 전부 또는 일부를 상기 (g) 단계의 탈불화수소반응에 순환시키는 단계를 더 포함하는 것을 특징으로 하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 제조방법.
- 제1항에 있어서, 상기 (a) 단계 및 (e) 단계의 반응 생성혼합물의 전부 또는 일부를 각각 (a) 단계 및 (e) 단계로 순환시키는 단계를 더 포함하는 것을 특징으로 하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234zㅎe, E-form)의 제조방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 (d) 단계의 1,2,3,3,3-펜타플루오로프로펜(HFO-1225ye)의 비점보다 14 ℃ 이상 높은 비점을 갖는 성분은 1,1,1,3,3,3-헥사플루오로프로판(HFC-236fa), 1,1,2,3,3,3-헥사플루오로프로판 (HFC-236ea) 및 이들의 혼합물 중에서 선택된 어느 하나인 것을 특징으로 하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 제조방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 (f) 단계의 1,2,3,3,3-펜타플루오로프로판(HFC-245eb)의 비점보다 17 ℃ 이상 낮은 비점을 갖는 성분은 1,1,2,3,3,3-헥사플루오로프로판 (HFC-236ea), 1,1,1,3,3,3-헥사플루오로프로판(HFC-236fa), 1,2,3,3,3-펜타플루오로프로펜(HFO-1225ye), 1,1,1,3,3-헥사플루오로프로펜(HFO-1225zc) 및 이들의 혼합물 중에서 선택된 어느 하나인 것을 특징으로 하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 제조방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 (i) 단계의 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 비점보다 25 ℃ 이상 높은 비점을 갖는 성분은 1,1,2,3,3,3-헥사플루오로프로판 (HFC-236ea), 1,2,3,3,3-펜타플루오로프로판(HFC-245eb) 및 이들의 혼합물 중에서 선택된 어느 하나인 것을 특징으로 하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 제조방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 (a) 단계에서의 수소화 반응은 기상(vapor phase)에서 실시되며 반응온도는 100 ℃ 내지 120 ℃이고 반응압력은 1 기압 내지 5 기압이며, 1,1,2,3,3,3-헥사플루오로프로필렌(HFP)은 1,1,2,3,3,3-헥사플루오로프로판(HFC-236ea)과 혼합되어 공급되며 1,1,2,3,3,3-헥사플루오로프로필렌(HFP)과 1,1,2,3,3,3-헥사플루오로프로판(HFC-236ea)의 부피비율은 1 : 10 내지 1 : 50 이고, 1,1,2,3,3,3-헥사플루오로프로필렌(HFP)과 수소는 부피비율이 1 : 1.2 내지 1 : 2 로 공급되며, 수소화 촉매는 입상 알루미나 또는 카본에, 상기 입상 알루미나 또는 카본 대비 0.5 중량% 내지 10 중량%의 팔라듐이 담지된 촉매인 것을 특징으로 하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 제조방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 (b) 단계에서의 탈불화수소반응은 기상에서 실시되며 반응온도가 350 ℃ 내지 425 ℃이고 반응압력은 1 기압 내지 2 기압이며, 1,1,2,3,3,3-헥사플루오로프로판(HFC-236ea)과 산소는 부피비율 1 : 0.1 내지 1 : 0.2로 공급되며, 탈불화수소화 촉매는 마그네슘과 크롬이 중량비로 3 : 7 내지 7 : 3으로 혼합된 금속산화불화물을 입상화한 촉매인 것을 특징으로 하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 제조방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 (e) 단계에서의 수소화 반응은 기상에서 실시되며 반응온도는 80 ℃ 내지 100 ℃이고 반응압력은 1 기압 내지 5 기압이며, 1,2,3,3,3-펜타플루오로프로펜(HFO-1225ye)은 1,2,3,3,3-펜타플루오로프로판(HFC-245eb)과 혼합되어 공급되며 1,2,3,3,3-펜타플루오로프로펜(HFO-1225ye)과 1,2,3,3,3-펜타플루오로프로판(HFC-245eb)의 부피비율은 1 : 10 내지 1 : 50 이고, 1,2,3,3,3-펜타플루오로프로펜(HFO-1225ye)과 수소는 부피비율이 1 : 1.2 내지 1 : 2 로 공급되며, 수소화 촉매는 입상 알루미나 또는 카본에, 상기 입상 알루미나 또는 카본 대비 0.5 중량% 내지 10 중량%의 팔라듐이 담지된 촉매인 것을 특징으로 하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 제조방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 (g) 단계에서의 탈불화수소반응은 기상에서 실시되며 반응온도가 275 ℃ 내지 375 ℃이고 반응압력은 1 기압 내지 2 기압이며, 1,2,3,3,3-펜타플루오로프로판(HFC-245eb)과 산소는 부피비율 1 : 0.1 내지 1 : 0.2로 공급되며, 탈불화수소 촉매는 마그네슘과 크롬이 중량비로 3 : 7 내지 7 : 3으로 혼합된 금속산화불화물을 입상화한 촉매인 것을 특징으로 하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 제조방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 (c) 및 (h) 단계에서의 불화수소는 흡수탑 내에서 물과 접촉하여 회수되며, 회수된 불화수소산 수용액의 불화수소 농도가 35 중량% 내지 45 중량% 인 것을 특징으로 하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 제조방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 (d) 단계에서 정제된 1,2,3,3,3-펜타플루오로프로펜(HFO-1225ye)을 포함하는 혼합물 중 1,1,2,3,3,3-헥사플루오로프로판(HFC-236ea)의 농도가 0.05 중량% 이하인 것을 특징으로 하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 제조방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 (f) 단계에서 정제된 1,2,3,3,3-펜타플루오로프로판(HFC-245eb)을 포함하는 혼합물 중 1,2,3,3,3-펜타플루오로프로펜(HFO-1225ye)의 농도가 0.05 중량% 이하인 것을 특징으로 하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 제조방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)의 순도가 99.9% 이상이며, 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 순도가 99.0% 이상인 것을 특징으로 하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 제조방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 (a) 단계 및 상기 (b) 단계 중 적어도 하나의 단계는 다관 열교환기형 반응기 또는 열교환용 평판에 촉매를 입힌 판형 열교환기형 반응기에서 수행되는 것을 특징으로 하는 2,3,3,3-테트라플루오로프로펜(HFO-1234yf)과 1,3,3,3-테트라플루오로프로펜(HFO-1234ze, E-form)의 제조방법.
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Cited By (5)
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| KR20180082822A (ko) * | 2017-01-11 | 2018-07-19 | 한국과학기술연구원 | 1,2,3,3,3-펜타플루오로프로펜 제조방법 |
| CN110627614A (zh) * | 2019-09-24 | 2019-12-31 | 浙江三美化工股份有限公司 | 一种e-1,3,3,3-四氟丙烯的制备方法 |
| CN114040958A (zh) * | 2018-10-26 | 2022-02-11 | 科慕埃弗西有限公司 | 含有HFO-1234ze、HFO-1225zc和HFO-1234yf的组合物以及用于制备和使用该组合物的方法 |
| CN114375287A (zh) * | 2019-09-12 | 2022-04-19 | 关东电化工业株式会社 | 具有=cf2或=chf的结构的氟烯烃的精制方法、以及高纯度氟烯烃及其制造方法 |
| WO2025136877A1 (en) * | 2023-12-19 | 2025-06-26 | Honeywell International Inc. | Methods for recovering hydrogen fluoride from a fluorocarbon production process |
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| KR20180082822A (ko) * | 2017-01-11 | 2018-07-19 | 한국과학기술연구원 | 1,2,3,3,3-펜타플루오로프로펜 제조방법 |
| CN114040958A (zh) * | 2018-10-26 | 2022-02-11 | 科慕埃弗西有限公司 | 含有HFO-1234ze、HFO-1225zc和HFO-1234yf的组合物以及用于制备和使用该组合物的方法 |
| CN114375287A (zh) * | 2019-09-12 | 2022-04-19 | 关东电化工业株式会社 | 具有=cf2或=chf的结构的氟烯烃的精制方法、以及高纯度氟烯烃及其制造方法 |
| CN110627614A (zh) * | 2019-09-24 | 2019-12-31 | 浙江三美化工股份有限公司 | 一种e-1,3,3,3-四氟丙烯的制备方法 |
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