CN110813380B - 一种酮铜配合物催化剂及其制备方法与在乙炔氢氯化反应中的应用 - Google Patents
一种酮铜配合物催化剂及其制备方法与在乙炔氢氯化反应中的应用 Download PDFInfo
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- CN110813380B CN110813380B CN201910933363.3A CN201910933363A CN110813380B CN 110813380 B CN110813380 B CN 110813380B CN 201910933363 A CN201910933363 A CN 201910933363A CN 110813380 B CN110813380 B CN 110813380B
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- Prior art keywords
- copper
- complex catalyst
- ketone
- salt
- catalyst
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- 239000003054 catalyst Substances 0.000 title claims abstract description 125
- -1 Copper ketone Chemical class 0.000 title claims abstract description 75
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 55
- 239000010949 copper Substances 0.000 title claims abstract description 55
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 title claims abstract description 26
- 238000007038 hydrochlorination reaction Methods 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000011259 mixed solution Substances 0.000 claims abstract description 27
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 17
- 238000002791 soaking Methods 0.000 claims abstract description 15
- 150000001879 copper Chemical class 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 12
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 52
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 239000002608 ionic liquid Substances 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 16
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical class O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 16
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 16
- 239000002808 molecular sieve Chemical class 0.000 claims description 16
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical class [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 16
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 14
- 239000012495 reaction gas Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 12
- 239000013310 covalent-organic framework Chemical class 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000012621 metal-organic framework Chemical class 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000004408 titanium dioxide Chemical class 0.000 claims description 8
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 239000003446 ligand Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 5
- 239000002041 carbon nanotube Chemical class 0.000 claims description 5
- PEVJCYPAFCUXEZ-UHFFFAOYSA-J dicopper;phosphonato phosphate Chemical compound [Cu+2].[Cu+2].[O-]P([O-])(=O)OP([O-])([O-])=O PEVJCYPAFCUXEZ-UHFFFAOYSA-J 0.000 claims description 5
- 238000007598 dipping method Methods 0.000 claims description 5
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 claims description 4
- 229910002651 NO3 Inorganic materials 0.000 claims description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 4
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 claims description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 4
- RAOSIAYCXKBGFE-UHFFFAOYSA-K [Cu+3].[O-]P([O-])([O-])=O Chemical compound [Cu+3].[O-]P([O-])([O-])=O RAOSIAYCXKBGFE-UHFFFAOYSA-K 0.000 claims description 4
- 150000001450 anions Chemical class 0.000 claims description 4
- 150000001768 cations Chemical class 0.000 claims description 4
- HNZUNIKWNYHEJJ-FMIVXFBMSA-N geranyl acetone Chemical compound CC(C)=CCC\C(C)=C\CCC(C)=O HNZUNIKWNYHEJJ-FMIVXFBMSA-N 0.000 claims description 4
- HNZUNIKWNYHEJJ-UHFFFAOYSA-N geranyl acetone Natural products CC(C)=CCCC(C)=CCCC(C)=O HNZUNIKWNYHEJJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Chemical compound [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 4
- 239000010452 phosphate Substances 0.000 claims description 4
- 239000000377 silicon dioxide Chemical class 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 4
- 238000002604 ultrasonography Methods 0.000 claims description 4
- ZXMGHDIOOHOAAE-UHFFFAOYSA-N 1,1,1-trifluoro-n-(trifluoromethylsulfonyl)methanesulfonamide Chemical class FC(F)(F)S(=O)(=O)NS(=O)(=O)C(F)(F)F ZXMGHDIOOHOAAE-UHFFFAOYSA-N 0.000 claims description 3
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 3
- 239000012965 benzophenone Substances 0.000 claims description 3
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 3
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical class O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- KRIOVPPHQSLHCZ-UHFFFAOYSA-N propiophenone Chemical compound CCC(=O)C1=CC=CC=C1 KRIOVPPHQSLHCZ-UHFFFAOYSA-N 0.000 claims description 3
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims description 2
- QWBQXDSTWQZMFZ-UHFFFAOYSA-N 1-methylpyrrolidin-2-one;hydrochloride Chemical compound Cl.CN1CCCC1=O QWBQXDSTWQZMFZ-UHFFFAOYSA-N 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 2
- RPZNPEMXYNMTKB-UHFFFAOYSA-N Br.CCN1CC=CC=C1 Chemical compound Br.CCN1CC=CC=C1 RPZNPEMXYNMTKB-UHFFFAOYSA-N 0.000 claims description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-O Methylammonium ion Chemical compound [NH3+]C BAVYZALUXZFZLV-UHFFFAOYSA-O 0.000 claims description 2
- 229910052779 Neodymium Inorganic materials 0.000 claims description 2
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-M Trifluoroacetate Chemical compound [O-]C(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-M 0.000 claims description 2
- 230000009471 action Effects 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 229910052788 barium Inorganic materials 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 2
- 229910001914 chlorine tetroxide Inorganic materials 0.000 claims description 2
- TVWHTOUAJSGEKT-UHFFFAOYSA-N chlorine trioxide Chemical compound [O]Cl(=O)=O TVWHTOUAJSGEKT-UHFFFAOYSA-N 0.000 claims description 2
- HLUYHVRRGFKTTM-UHFFFAOYSA-N copper(1+);hypochlorite Chemical compound [Cu+].Cl[O-] HLUYHVRRGFKTTM-UHFFFAOYSA-N 0.000 claims description 2
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 claims description 2
- YRNNKGFMTBWUGL-UHFFFAOYSA-L copper(ii) perchlorate Chemical compound [Cu+2].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O YRNNKGFMTBWUGL-UHFFFAOYSA-L 0.000 claims description 2
- IJCCOEGCVILSMZ-UHFFFAOYSA-L copper;dichlorate Chemical compound [Cu+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O IJCCOEGCVILSMZ-UHFFFAOYSA-L 0.000 claims description 2
- HFDWIMBEIXDNQS-UHFFFAOYSA-L copper;diformate Chemical compound [Cu+2].[O-]C=O.[O-]C=O HFDWIMBEIXDNQS-UHFFFAOYSA-L 0.000 claims description 2
- KBQDZEMXPBDNGH-UHFFFAOYSA-N cycloheptadecanone Chemical compound O=C1CCCCCCCCCCCCCCCC1 KBQDZEMXPBDNGH-UHFFFAOYSA-N 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-M dihydrogenphosphate Chemical compound OP(O)([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-M 0.000 claims description 2
- JHYNXXDQQHTCHJ-UHFFFAOYSA-M ethyl(triphenyl)phosphanium;bromide Chemical compound [Br-].C=1C=CC=CC=1[P+](C=1C=CC=CC=1)(CC)C1=CC=CC=C1 JHYNXXDQQHTCHJ-UHFFFAOYSA-M 0.000 claims description 2
- NJXBVBPTDHBAID-UHFFFAOYSA-M ethyl(triphenyl)phosphanium;chloride Chemical compound [Cl-].C=1C=CC=CC=1[P+](C=1C=CC=CC=1)(CC)C1=CC=CC=C1 NJXBVBPTDHBAID-UHFFFAOYSA-M 0.000 claims description 2
- 229910052735 hafnium Inorganic materials 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 claims description 2
- 150000002466 imines Chemical class 0.000 claims description 2
- 229910052738 indium Inorganic materials 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- NQMRYBIKMRVZLB-UHFFFAOYSA-N methylamine hydrochloride Chemical compound [Cl-].[NH3+]C NQMRYBIKMRVZLB-UHFFFAOYSA-N 0.000 claims description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 claims description 2
- 125000005496 phosphonium group Chemical group 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 2
- 125000001453 quaternary ammonium group Chemical group 0.000 claims description 2
- 229910052701 rubidium Inorganic materials 0.000 claims description 2
- 229910052712 strontium Inorganic materials 0.000 claims description 2
- RKHXQBLJXBGEKF-UHFFFAOYSA-M tetrabutylphosphanium;bromide Chemical compound [Br-].CCCC[P+](CCCC)(CCCC)CCCC RKHXQBLJXBGEKF-UHFFFAOYSA-M 0.000 claims description 2
- IBWGNZVCJVLSHB-UHFFFAOYSA-M tetrabutylphosphanium;chloride Chemical compound [Cl-].CCCC[P+](CCCC)(CCCC)CCCC IBWGNZVCJVLSHB-UHFFFAOYSA-M 0.000 claims description 2
- BRKFQVAOMSWFDU-UHFFFAOYSA-M tetraphenylphosphanium;bromide Chemical compound [Br-].C1=CC=CC=C1[P+](C=1C=CC=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 BRKFQVAOMSWFDU-UHFFFAOYSA-M 0.000 claims description 2
- WAGFXJQAIZNSEQ-UHFFFAOYSA-M tetraphenylphosphonium chloride Chemical compound [Cl-].C1=CC=CC=C1[P+](C=1C=CC=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 WAGFXJQAIZNSEQ-UHFFFAOYSA-M 0.000 claims description 2
- HOMONHWYLOPSLL-UHFFFAOYSA-N tributyl(ethyl)phosphanium Chemical compound CCCC[P+](CC)(CCCC)CCCC HOMONHWYLOPSLL-UHFFFAOYSA-N 0.000 claims description 2
- XOTZDSWJKMKAMT-UHFFFAOYSA-M tributyl(ethyl)phosphanium;bromide Chemical compound [Br-].CCCC[P+](CC)(CCCC)CCCC XOTZDSWJKMKAMT-UHFFFAOYSA-M 0.000 claims description 2
- ZBZFETNHIRABGK-UHFFFAOYSA-M tributyl(hexyl)phosphanium;bromide Chemical compound [Br-].CCCCCC[P+](CCCC)(CCCC)CCCC ZBZFETNHIRABGK-UHFFFAOYSA-M 0.000 claims description 2
- 125000001889 triflyl group Chemical group FC(F)(F)S(*)(=O)=O 0.000 claims description 2
- 229910003158 γ-Al2O3 Inorganic materials 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 29
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 14
- 238000002474 experimental method Methods 0.000 description 11
- 238000003756 stirring Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 229910000510 noble metal Inorganic materials 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- FGDZQCVHDSGLHJ-UHFFFAOYSA-M rubidium chloride Chemical compound [Cl-].[Rb+] FGDZQCVHDSGLHJ-UHFFFAOYSA-M 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000002194 synthesizing effect Effects 0.000 description 3
- BSKSXTBYXTZWFI-UHFFFAOYSA-M 1-butyl-3-methylimidazol-3-ium;acetate Chemical compound CC([O-])=O.CCCC[N+]=1C=CN(C)C=1 BSKSXTBYXTZWFI-UHFFFAOYSA-M 0.000 description 2
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- RCTYPNKXASFOBE-UHFFFAOYSA-M chloromercury Chemical compound [Hg]Cl RCTYPNKXASFOBE-UHFFFAOYSA-M 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 150000004699 copper complex Chemical class 0.000 description 2
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
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- 229940102127 rubidium chloride Drugs 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- HCGMDEACZUKNDY-UHFFFAOYSA-N 1-butyl-3-methyl-1,2-dihydroimidazol-1-ium;acetate Chemical compound CC(O)=O.CCCCN1CN(C)C=C1 HCGMDEACZUKNDY-UHFFFAOYSA-N 0.000 description 1
- 239000005997 Calcium carbide Substances 0.000 description 1
- 229920001081 Commodity plastic Polymers 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- XHIHMDHAPXMAQK-UHFFFAOYSA-N bis(trifluoromethylsulfonyl)azanide;1-butylpyridin-1-ium Chemical compound CCCC[N+]1=CC=CC=C1.FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F XHIHMDHAPXMAQK-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
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- 239000002131 composite material Substances 0.000 description 1
- 150000001923 cyclic compounds Chemical class 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
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- 229960002523 mercuric chloride Drugs 0.000 description 1
- LWJROJCJINYWOX-UHFFFAOYSA-L mercury dichloride Chemical group Cl[Hg]Cl LWJROJCJINYWOX-UHFFFAOYSA-L 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
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Abstract
本发明公开了一种酮铜配合物催化剂及其制备方法与在乙炔氢氯化反应中的应用。所述的酮铜配合物催化剂的制备方法为:将铜盐和酮类化合物混合溶于溶剂中制成混合溶液,然后将多孔固体载体在20~90℃下浸渍于所得的混合溶液中0.5~5h,取出处理后的多孔固体载体放入水热釜中密闭,然后将所述的水热釜置于烘箱中在80~150℃下处理0.5~5h,然后将得到的产物在蓝光照射的条件下加热烘干,即得酮铜配合物催化剂。本发明所述的酮铜配合物催化剂应用于乙炔氢氯化反应制备氯乙烯。本发明的酮铜配合物催化剂制备方法通过简单的操作步骤实现了催化剂的制备,提高了催化剂的稳定性和活性,降低了生产成本,具有很好的应用前景。
Description
技术领域
本发明涉及一种酮铜配合物催化剂及其制备方法与在乙炔氢氯化反应中的应用。
背景技术
聚氯乙烯(PVC)是重要的通用塑料。富煤、贫油、少气的能源赋存特点决定了煤基电石法(乙炔氢氯化法)制备氯乙烯是我国聚氯乙烯生产的主流工艺。现有合成氯乙烯所用的催化剂为氯化汞、以金属氯化物为活性组分的无汞氯化物。由于氯化汞会对环境造成严重的污染,且利用其合成得到的聚氯乙烯中含有少量汞而限制了聚氯乙烯的应用;人们逐渐将研究重点放在了以金属氯化物为活性组分的无汞氯化物上,其中,贵金属氯化物表现出最佳的催化活性,比如金、钯、铂、钌等贵金属作为活性组分都被报道具有比汞更高的催化活性,但贵金属催化剂存在易失活,难以再生,价格昂贵等问题,会阻碍催化剂更好地应用于工业化生产。而非贵金属催化剂具有价格低廉,再生方便等特点而逐步成为研究热点,其中铜基催化剂表现出很好的催化活性以及稳定性,因此越来越多的研究人员对铜基催化剂的制备改性进行了进一步的研究。
针对铜基催化剂的制备,现有技术中出现了许多不同的改进方案,例如中国专利(CN 105126878A)公开了一种用于乙炔氢氯化反应的复合金属盐催化剂,所述催化剂以负载在碳基载体上的铜盐为主要活性组分,通过添加协同金属或阴离子配体的方式提升了催化剂的催化活性和稳定性;中国专利(CN 108993585A)公开了一种用于乙炔氢氯化合成氯乙烯的铜基催化剂及其制备方法和应用,所述催化剂将铜盐与一类五元环状化合物混合后,浸渍,过滤,干燥后得到铜基催化剂,具有较高的转化率和选择性;中国专利(CN108993596A)公开了一种用于乙炔氢氯化反应的铜配合物催化剂及制备方法,所述催化剂中铜配合物由铜盐和有机磷酸类配体络合而成,制备方法简单,成本低,且具有较高的转化率和选择性;中国专利(CN 106944151A)公开了一种用于乙炔氢氯化合成氯乙烯的无汞催化剂及其制备方法和应用,所述制备方法是将贱金属盐(选自铜盐)和酰胺类溶剂溶于水配置成混合溶液后,将活性炭加入到混合液中,过滤,干燥后得到所述催化剂,其通过贱金属盐和酰胺类溶剂的协同作用,进一步提高了反应效率,实现了催化剂低温活性高,选择性和稳定性好;中国专利(CN 106492869A)公开了一种用于乙炔氢氯化反应的非贵金属无汞催化剂及其制备方法和应用,所述制备方法为制备铜盐、铵盐和磷酸盐,或者铜盐、铵盐和磷酸盐的混合溶液,再将活性炭加入到混合溶液中浸泡,干燥后得到所述催化剂,其通过多组分的协同效应,获得较好的催化稳定性和高的低温活性。上述的催化剂制备方法,催化剂在长时间运行后稳定性下降,活性组分存在流失等问题,都未能很好地大规模应用于工业化。
发明内容
本发明的目的在于提供一种酮铜配合物催化剂及其制备方法与在乙炔氢氯化反应中的应用,所得的酮铜配合物催化剂具有较好的稳定性和较高的活性。
为了实现上述发明目的,本发明提供以下技术方案:
一种酮铜配合物催化剂,按照如下方法进行制备:
将铜盐和酮类化合物混合溶于溶剂中制成混合溶液,然后将多孔固体载体在20~90℃下浸渍于所得的混合溶液中0.5~5h,取出处理后的多孔固体载体放入水热釜中密闭,然后将所述的水热釜置于烘箱中在80~150℃下处理0.5~5h,然后将得到的产物在蓝光照射的条件下加热烘干,即得酮铜配合物催化剂;所述的溶剂为乙醇或者四氢呋喃;所述的铜盐中铜元素与酮类化合物的质量比为0.02~45:1;所述的多孔固体载体的加入量以所述的混合溶液中铜元素的质量计为0.005~50g/g;所述的蓝光波长为400~480nm;所述的蓝光照射强度为12~50μW/(cm2*nm)。
本发明所述的铜盐选自硝酸铜、硫酸铜、氯化铜、乙酸铜、磷酸铜、焦磷酸铜、高氯酸铜、氯酸铜、次氯酸铜、甲酸铜、氯化铵铜、酞菁铜中的一种或者多种。
本发明所述的酮类化合物选自苯丙酮、香叶基丙酮、苯乙酮、二苯酮、1,1,3-三甲基环己烯酮、1,3-二甲基-2-咪唑啉酮、9-环十七烯酮中的一种或者或者任意几种的混合物。作为进一步优选,所述的酮类化合物沸点不小于160℃。
进一步,所述的溶剂的加入量以可以完全浸没所述的多孔固体载体即可。
本发明所述的多孔固体载体选自活性炭、介孔碳、碳纳米管、石墨烯、二氧化硅、三氧化二铝、二氧化钛、分子筛、金属有机框架化合物、共价有机骨架化合物中的一种或任意几种的混合物。
进一步,较为具体的,所述的活性炭可以是柱状炭或球形炭活性炭,粒径10~100目;所述的碳纳米管可加工成柱状或球形,粒径10~100目;所述的石墨烯可加工成柱状或球形,粒径10~100目;所述的三氧化二铝可以是γ-Al2O3,并加工成柱状或球形,粒径10~100目;所述的二氧化硅可加工成柱状或球形,粒径10~100目;所述的二氧化钛可加工成柱状或球形,粒径10~100目;所述的分子筛可以是ZSM-5、β分子筛、γ分子筛、5A分子筛、10X分子筛或13X分子筛;所述的金属有机框架化合物可为含氮杂环类配体构筑的MOFs、有机羧酸类配体构筑的MOFs;所述的共价有机骨架化合物可以是含硼类COFs材料、亚胺类COFs材料或三嗪类COFs材料。
更进一步,所述的浸渍处理中,使用超声加以辅助,可以进一步提高浸渍分散的效果。作为优选,所述的超声功率为:0.5~10kW。
本发明所述的混合溶液中还可加入助剂,所述的助剂为金属盐或者离子液体中的一种或者多种,所述的助剂的加入量以所述的多孔固体载体的质量计为0.01~20g/g。
进一步,作为优选,所述金属盐为MX,其中M代表阳离子,选自Pt、Al、In、Bi、Fe、Mn、Ba、Ca、K、Rb、Sr、Nd、Hf、Pr中的一种;X代表阴离子,选自SO4 2-、NO3 -、Cl-、I-、Br-、ClO4 -、PO4 3-、SO3 2-、NO2 -、ClO3 -中的一种。
进一步,作为优选,所述的离子液体选自下列之一或任意几种的混合物:
a)咪唑类离子液体,其阳离子为二烷基取代的咪唑阳离子或三烷基取代的咪唑阳离子,所述的烷基各自独立选自C1~C16的烷基,其阴离子为卤素离子、四氟硼酸根、六氟磷酸根、硝酸根、硫酸氢根、高氯酸根、二腈胺根、醋酸根、三氟乙酸根、磷酸根或磷酸二氢根;
b)季鏻类离子液体,具体为三丁基乙基溴化膦、三丁基乙基氯化膦、三丁基己基溴化膦、三丁基己基氯化膦、三丁基己基膦双(三氟甲烷磺酰)亚胺盐、三丁基乙基膦双(三氟甲烷磺酰)亚胺盐、四丁基溴化膦、四丁基氯化膦、三苯基乙基溴化膦、三苯基乙基氯化膦、四苯基溴化膦或四苯基氯化膦;
c)季铵类离子液体,具体为三烷基甲基铵(三氟甲烷磺酰)亚胺盐或三烷基甲基氯化铵,其中所述的烷基各自独立为C1~C16的烷基;
d)吡咯烷类离子液体,具体为N-丁基-N-甲基吡咯烷双(三氟甲烷磺酰)亚胺盐或N-丁基-N-甲基吡咯烷溴盐;
e)吡咯烷酮类离子液体,具体为N-甲基吡咯烷酮盐酸盐、N-羟基吡咯烷酮双(三氟甲烷磺酰)亚胺盐或N-丁基-N-甲基吡咯烷酮溴盐;
f)哌啶类离子液体,具体为N-丁基-N-甲基哌啶双(三氟甲烷磺酰)亚胺盐或N-丁基N-甲基哌啶溴盐;
g)吡啶类离子液体,具体为N-乙基吡啶溴盐、N-丁基吡啶双(三氟甲烷磺酰)亚胺盐或N-丁基六氟磷酸盐。
本发明所述的烘干处理温度为20~150℃,时间为0.5~24h。
本发明利用酮类化合中氧原子与铜原子发生作用形成配位结构的特点,如式1所示,提高了酮铜配合物催化剂在载体上的稳定性,减少了活性组分的流失,同时进一步提高了催化剂的活性。
本发明所述的酮铜配合物催化剂应用于乙炔氢氯化反应制备氯乙烯。
进一步,所述的应用为:在固定床反应器中,在酮铜配合物催化剂的作用下,通入HCl和C2H2气体,在60~160℃下,在0.1~0.15MPa的反应压力下反应得到氯乙烯。
作为优选,所述的HCl和C2H2的物质的量之比为1:0.95~1:1.2;反应气体体积空速以乙炔计为50~740h-1。
与现有技术相比,本发明的有益效果在于:
1、本发明利用酮类化合物中的氧原子与铜原子形成配位结构,提高了酮铜配合物催化剂在载体上的稳定性,减少了活性组分的流失,提高了催化剂的活性;
2、本发明所述的浸渍处理使用超声进行辅助,能进一步提高浸渍分散的处理效果;
3、本发明所述的烘干处理使用蓝光进行照射,进一步提高了催化剂的性能。
综上,本发明的酮铜配合物催化剂制备方法通过简单的操作步骤实现了催化剂的制备,提高了催化剂的稳定性和活性,降低了生产成本,具有很好的应用前景。
附图说明
图1为实施例1制备的酮铜配合物催化剂的活性曲线图。
图2为实施例2制备的酮铜配合物催化剂的活性曲线图。
图3为实施例3制备的酮铜配合物催化剂的活性曲线图。
图4为实施例4制备的酮铜配合物催化剂的活性曲线图。
图5为实施例5制备的酮铜配合物催化剂的活性曲线图。
具体实施方式
下面用具体实例来说明本发明。有必要指出的是,实施例只用于对本发明进行的进一步说明,但不能理解为对本发明保护范围的限制,本发明不以任何方式局限于此。该领域的技术熟练人员可以根据上述发明的内容做出一些非本质的改进和调整。
本发明所述的酮铜配合物催化剂是在固定床反应器装置上进行乙炔氢氯化反应评价,采用的是固定床微型反应器评价,固定床腔体内径为1.5cm,可恒温加热区长度为20cm,电热炉加热并控制温度,催化剂装填2g,反应前气氛活化0.2h,活化后通入气体反应,采用FID检测器的气相色谱仪进行分析,采样频率次/0.5h。
实施例1
1)将10g苯乙酮和16.93g氯化铜混合,再加入100ml的乙醇搅拌混合均匀得到混合液;
2)向步骤1)的混合液中加入100g 20目的柱状活性炭,在60℃超声(0.5kW)条件下浸渍5h;
3)再将步骤2)所得的催化剂放入到500ml的水热釜中密闭,放置于烘箱中80处理5h,然后再取出催化剂放在110℃和12μW/(cm2*nm)强度的蓝光照射条件下烘10h,得到酮铜配合物催化剂;
4)将上述所得的酮铜配合物催化剂装填在固定床反应装置上(HCl和C2H2摩尔比为1:0.95),反应气体体积空速以乙炔计为180h-1,反应温度100℃,压力0.1MPa条件下,进行乙炔氢氯化实验,催化剂活性为97.2%,运行350h后活性开始略微下降。见图1。
实施例2
1)将5g二苯酮和29.51g硝酸铜混合,再加入95ml的四氢呋喃搅拌混合均匀;
2)向步骤1)的混合液中加入100g 20目的球形碳纳米管,在90℃超声(5kW)条件下浸渍0.5h;
3)再将步骤2)所得的催化剂放入到500ml的水热釜中密闭,放置于烘箱中150℃处理0.5h,然后再取出催化剂放在140℃和50μW/(cm2*nm)强度的蓝光照射条件下烘8h,得到酮铜配合物催化剂;
4)将上述所得的酮铜配合物催化剂装填在固定床反应装置上(HCl和C2H2摩尔比为1:1.1),反应气体体积空速以乙炔计为120h-1,反应温度90℃,压力0.11MPa条件下,进行乙炔氢氯化实验,催化剂活性为98.5%,运行300h后活性开始略微下降。见图2。
实施例3
1)将30g香叶基丙酮、59.89g磷酸铜和8g氯化铷混合,再加入70ml的乙醇搅拌混合均匀;
2)向步骤1)的混合液中加入100g 5A分子筛,在80℃超声(5kW)条件下浸渍2h;
3)再将步骤2)所得的催化剂放入到500ml的水热釜中密闭,放置于烘箱中100℃处理3h,然后再取出催化剂放在110℃和25μW/(cm2*nm)强度的蓝光照射条件下烘12h,得到酮铜配合物催化剂;
4)将上述所得的酮铜配合物催化剂装填在固定床反应装置上(HCl和C2H2摩尔比为1:1.05),反应气体体积空速以乙炔计为100h-1,反应温度140℃,压力0.1MPa条件下,进行乙炔氢氯化实验,催化剂活性为98.9%,运行400h后活性开始略微下降。见图3。
实施例4
1)将15g 1,3-二甲基-2-咪唑啉酮,23.69g焦磷酸铜和5g 1-丁基-3-甲基咪唑醋酸盐混合,再加入90ml的四氢呋喃搅拌混合均匀;
2)向步骤1)的混合液中加入100g 20目的柱状二氧化钛,在80℃超声(2.5kW)条件下浸渍0.5h;
3)再将步骤2)所得的催化剂放入到500ml的水热釜中密闭,放置于烘箱中120℃处理2.5h,然后再取出催化剂放在140℃和40μW/(cm2*nm)强度的蓝光照射条件下烘8h,得到酮铜配合物催化剂;
4)将上述所得的酮铜配合物催化剂装填在固定床反应装置上(HCl和C2H2摩尔比为1:1.05),反应气体体积空速以乙炔计为120h-1,反应温度90℃,压力0.1MPa条件下,进行乙炔氢氯化实验,催化剂活性为99.1%,运行450h后活性开始略微下降。见图4。
实施例5
1)将10g苯丙酮、12.56g硫酸铜和5g N-丁基吡啶双(三氟甲烷磺酰)亚胺盐混合,再加入90ml的乙醇搅拌混合均匀;
2)向步骤1)的混合液中加入100g 20目的柱状二氧化钛,在20℃超声(8kW)条件下浸渍5h;
3)再将步骤2)所得的催化剂放入到500ml的水热釜中密闭,放置于烘箱中140℃处理2h,然后再取出催化剂放在140℃和40μW/(cm2*nm)强度的蓝光照射条件下烘8h,得到酮铜配合物催化剂;
4)将上述所得的酮铜配合物催化剂装填在固定床反应装置上(HCl和C2H2摩尔比为1:1),反应气体体积空速以乙炔计为180h-1,反应温度100℃,压力0.11MPa条件下,进行乙炔氢氯化实验,催化剂活性为98.3%,运行320h后活性开始略微下降。见图5。
对比例1(无酮)
1)将16.93g氯化铜加入到100ml的乙醇搅拌混合均匀得到混合液;
2)向步骤1)的混合液中加入100g 20目的柱状活性炭,在60℃超声(0.5kW)条件下浸渍5h;
3)再将步骤2)所得的催化剂放入到500ml的水热釜中密闭,放置于烘箱中80℃处理5h,然后再取出催化剂放在110℃和12μW/(cm2*nm)强度的蓝光照射条件下烘10h,得到酮铜配合物催化剂;
4)将上述所得的酮铜配合物催化剂装填在固定床反应装置上(HCl和C2H2摩尔比为1:0.95),反应气体体积空速以乙炔计为180h-1,反应温度100℃,压力0.1MPa条件下,进行乙炔氢氯化实验,催化剂活性为50.5%。
对比例2(无酮)
1)将23.69g焦磷酸铜和5g 1-丁基-3-甲基咪唑醋酸盐混合,再加入90ml的乙醇搅拌混合均匀;
2)向步骤1)的混合液中加入100g 20目的柱状二氧化钛,在80℃超声(2.5kW)条件下浸渍0.5h;
3)再将步骤2)所得的催化剂放入到500ml的水热釜中密闭,放置于烘箱中150℃处理0.5h,然后再取出催化剂放在140℃和50μW/(cm2*nm)强度的蓝光照射条件下烘8h,得到酮铜配合物催化剂;
4)将上述所得的酮铜配合物催化剂装填在固定床反应装置上(HCl和C2H2摩尔比为1:1.05),反应气体体积空速以乙炔计为120h-1,反应温度90℃,压力0.1MPa条件下,进行乙炔氢氯化实验,催化剂活性为68.7%。
对比例3(无超声)
1)将30g香叶基丙酮、59.89g磷酸铜和8g氯化铷混合,再加入70ml的去离子水搅拌混合均匀;
2)向步骤1)的混合液中加入100g 5A分子筛,在80℃条件下浸渍2h;
3)再将步骤2)所得的催化剂放入到500ml的水热釜中密闭,放置于烘箱中100℃处理3h,然后再取出催化剂放在110℃和25μW/(cm2*nm)强度的蓝光照射条件下烘12h,得到酮铜配合物催化剂;
4)将上述所得的酮铜配合物催化剂装填在固定床反应装置上(HCl和C2H2摩尔比为1:1.05),反应气体体积空速以乙炔计为100h-1,反应温度140℃,压力0.1MPa条件下,进行乙炔氢氯化实验,催化剂活性为96.8%。
对比例4(无蓝光)
1)将15g 1,3-二甲基-2-咪唑啉酮,23.69g焦磷酸铜和5g 1-丁基-3-甲基咪唑醋酸盐混合,再加入90ml的乙醇搅拌混合均匀;
2)向步骤1)的混合液中加入100g 20目的柱状二氧化钛,在80℃超声(2.5kW)条件下浸渍0.5h;
3)再将步骤2)所得的催化剂放入到500ml的水热釜中密闭,放置于烘箱中120℃处理2.5h,然后再取出催化剂放在140℃条件下烘8h,得到酮铜配合物催化剂;
4)将上述所得的酮铜配合物催化剂装填在固定床反应装置上(HCl和C2H2摩尔比为1:1.05),反应气体体积空速以乙炔计为120h-1,反应温度90℃,压力0.1MPa条件下,进行乙炔氢氯化实验,催化剂活性为90%。
对比例5(其他方法)
1)取76.12g CuCl2 2H2O和8g N-甲基吡咯烷酮溶于315.88g的去离子水中搅拌混合均匀;
2)向步骤1)的混合液中加入酸洗过的活性炭,溶液与活性炭的体积比为2:1,在70℃条件下,浸泡至溶液中氯化铜浓度恒定为止;
3)将浸泡好的活性炭过滤,甩干,在120℃通氯化氢气体烘干,即得到所需催化剂;
4)将上述所得的酮铜配合物催化剂装填在固定床反应装置上(C2H2和HCl摩尔比为1:1.1),反应气体体积空速以乙炔计为90h-1,反应温度100℃,压力0.03MPa条件下,进行乙炔氢氯化实验,催化剂活性为72.5%。
对比例6(其他方法)
1)称取152.2g CuCl2·2H2O和30g N-乙醚基吡咯烷酮溶于415g的去离子水中搅拌混合均匀;
2)向步骤1)的混合液中加入酸洗过的活性炭,溶液与活性炭的体积比为3:1,在室温条件下,浸泡至溶液中氯化铜浓度恒定为止;
3)将浸泡好的活性炭过滤,甩干,在100℃烘干,即得到所需催化剂;
4)将上述所得的酮铜配合物催化剂装填在固定床反应装置上(C2H2和HCl摩尔比为1:0.97),反应气体体积空速以乙炔计为120h-1,反应温度120℃,压力0.07MPa条件下,进行乙炔氢氯化实验,催化剂活性为88.5%。
Claims (10)
1.一种酮铜配合物催化剂,其特征在于:所述的酮铜配合物催化剂按照如下方法进行制备:
将铜盐和酮类化合物混合溶于溶剂中制成混合溶液,然后将多孔固体载体在20~90℃下浸渍于所得的混合溶液中0.5~5h,取出处理后的多孔固体载体放入水热釜中密闭,然后将所述的水热釜置于烘箱中在80~150℃下处理0.5~5h,然后将得到的产物在蓝光照射的条件下加热烘干,即得酮铜配合物催化剂;所述的溶剂为乙醇或者四氢呋喃;所述的铜盐中铜元素与酮类化合物的质量比为0.02~45:1;所述的多孔固体载体的加入量以所述的混合溶液中铜元素的质量计为0.005~50g/g;所述的蓝光波长为400~480nm;所述的蓝光照射强度为12~50μW/(cm2·nm)。
2.如权利要求1所述的酮铜配合物催化剂,其特征在于:所述的铜盐选自硝酸铜、硫酸铜、氯化铜、乙酸铜、磷酸铜、焦磷酸铜、高氯酸铜、氯酸铜、次氯酸铜、甲酸铜、氯化铵铜、酞菁铜中的一种或者多种。
3.如权利要求1所述的酮铜配合物催化剂,其特征在于:所述的酮类化合物选自苯丙酮、香叶基丙酮、苯乙酮、二苯酮、1,1,3-三甲基环己烯酮、1,3-二甲基-2-咪唑啉酮、9-环十七烯酮中的一种或者任意几种的混合物。
4.如权利要求1所述的酮铜配合物催化剂,其特征在于:所述的溶剂的加入量以完全浸没所述的多孔固体载体为准。
5.如权利要求1所述的酮铜配合物催化剂,其特征在于:所述的多孔固体载体选自活性炭、介孔碳、碳纳米管、石墨烯、二氧化硅、三氧化二铝、二氧化钛、分子筛、金属有机框架化合物、共价有机骨架化合物中的一种或任意几种的混合物;
所述的活性炭为柱状炭或球形炭活性炭,粒径10~100目;所述的碳纳米管为柱状或球形,粒径10~100目;所述的石墨烯为柱状或球形,粒径10~100目;所述的三氧化二铝为γ-Al2O3,并为柱状或球形,粒径10~100目;所述的二氧化硅为柱状或球形,粒径10~100目;所述的二氧化钛为柱状或球形,粒径10~100目;所述的分子筛为ZSM-5、β分子筛、γ分子筛、5A分子筛、10X分子筛或13X分子筛;所述的金属有机框架化合物为含氮杂环类配体构筑的MOFs或有机羧酸类配体构筑的MOFs;所述的共价有机骨架化合物为含硼类COFs材料、亚胺类COFs材料或三嗪类COFs材料。
6.如权利要求1所述的酮铜配合物催化剂,其特征在于:所述的浸渍处理中,使用超声加以辅助,所述的超声功率为:0.5~10 kW。
7.如权利要求1所述的酮铜配合物催化剂,其特征在于:所述的混合溶液中还包括助剂,所述的助剂为金属盐或者离子液体中的一种或者多种,所述的助剂的加入量以所述的多孔固体载体的质量计为0.01~20g/g;
所述金属盐中的阳离子选自Pt、Al、In、Bi、Fe、Mn、Ba、Ca、K、Rb、Sr、Nd、Hf、Pr离子中的一种,阴离子选自SO4 2-、NO3 -、Cl-、I-、Br-、ClO4 -、PO4 3-、SO3 2-、NO2 -、ClO3 -中的一种;
所述的离子液体选自下列之一或任意几种的混合物:
a)咪唑类离子液体,其阳离子为二烷基取代的咪唑阳离子或三烷基取代的咪唑阳离子,所述的烷基各自独立选自C1~C16的烷基,其阴离子为卤素离子、四氟硼酸根、六氟磷酸根、硝酸根、硫酸氢根、高氯酸根、二腈胺根、醋酸根、三氟乙酸根、磷酸根或磷酸二氢根;
b)季鏻类离子液体,为三丁基乙基溴化膦、三丁基乙基氯化膦、三丁基己基溴化膦、三丁基己基氯化膦、三丁基己基膦双(三氟甲烷磺酰)亚胺盐、三丁基乙基膦双(三氟甲烷磺酰)亚胺盐、四丁基溴化膦、四丁基氯化膦、三苯基乙基溴化膦、三苯基乙基氯化膦、四苯基溴化膦或四苯基氯化膦;
c)季铵类离子液体,为三烷基甲基铵(三氟甲烷磺酰)亚胺盐或三烷基甲基氯化铵,其中所述的烷基各自独立为C1~C16的烷基;
d)吡咯烷类离子液体,为N-丁基-N-甲基吡咯烷双(三氟甲烷磺酰)亚胺盐或N-丁基-N-甲基吡咯烷溴盐;
e)吡咯烷酮类离子液体,为N-甲基吡咯烷酮盐酸盐、N-羟基吡咯烷酮双(三氟甲烷磺酰)亚胺盐或N-丁基-N-甲基吡咯烷酮溴盐;
f)哌啶类离子液体,为N-丁基-N-甲基哌啶双(三氟甲烷磺酰)亚胺盐或N-丁基N-甲基哌啶溴盐;
吡啶类离子液体,为N-乙基吡啶溴盐、N-丁基吡啶双(三氟甲烷磺酰)亚胺盐或N-丁基六氟磷酸盐。
8.如权利要求1所述的酮铜配合物催化剂,其特征在于:所述的烘干温度为20~150℃,时间为0.5~24 h。
9.一种如权利要求1所述的酮铜配合物催化剂应用于乙炔氢氯化反应制备氯乙烯。
10.如权利要求9所述的应用,其特征在于:所述的应用为:在固定床反应器中,在酮铜配合物催化剂的作用下,通入HCl和C2H2气体,在60~160℃下,在0.1~0.15MPa的反应压力下反应得到氯乙烯;所述的HCl和C2H2的物质的量之比为1:0.95~1:1.2;反应气体体积空速以乙炔计为50~740h-1。
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