CN115382554A - 一种Cu-Bi-Mg/SiO2催化剂及其制备方法和应用 - Google Patents
一种Cu-Bi-Mg/SiO2催化剂及其制备方法和应用 Download PDFInfo
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- CN115382554A CN115382554A CN202211000659.8A CN202211000659A CN115382554A CN 115382554 A CN115382554 A CN 115382554A CN 202211000659 A CN202211000659 A CN 202211000659A CN 115382554 A CN115382554 A CN 115382554A
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- catalyst
- bismuth
- salt
- magnesium
- copper
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- 239000003054 catalyst Substances 0.000 title claims abstract description 121
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 229910004298 SiO 2 Inorganic materials 0.000 title claims abstract description 13
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000011777 magnesium Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 23
- DLDJFQGPPSQZKI-UHFFFAOYSA-N but-2-yne-1,4-diol Chemical compound OCC#CCO DLDJFQGPPSQZKI-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002244 precipitate Substances 0.000 claims abstract description 15
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 14
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims abstract description 12
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims abstract description 12
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims abstract description 11
- 150000001621 bismuth Chemical class 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 11
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 11
- 159000000003 magnesium salts Chemical class 0.000 claims abstract description 11
- 150000001879 copper Chemical class 0.000 claims abstract description 9
- 238000001704 evaporation Methods 0.000 claims abstract description 9
- 230000008020 evaporation Effects 0.000 claims abstract description 9
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000005751 Copper oxide Substances 0.000 claims abstract description 6
- 229910000416 bismuth oxide Inorganic materials 0.000 claims abstract description 6
- 229910000431 copper oxide Inorganic materials 0.000 claims abstract description 6
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 5
- 238000000975 co-precipitation Methods 0.000 claims abstract description 4
- 239000011259 mixed solution Substances 0.000 claims abstract description 3
- 230000001376 precipitating effect Effects 0.000 claims abstract description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 21
- 239000003513 alkali Substances 0.000 claims description 15
- 238000001556 precipitation Methods 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 11
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 10
- 229910017604 nitric acid Inorganic materials 0.000 claims description 10
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 230000002194 synthesizing effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 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
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- KKMOSYLWYLMHAL-UHFFFAOYSA-N 2-bromo-6-nitroaniline Chemical compound NC1=C(Br)C=CC=C1[N+]([O-])=O KKMOSYLWYLMHAL-UHFFFAOYSA-N 0.000 claims description 2
- JHXKRIRFYBPWGE-UHFFFAOYSA-K bismuth chloride Chemical compound Cl[Bi](Cl)Cl JHXKRIRFYBPWGE-UHFFFAOYSA-K 0.000 claims description 2
- 229910000380 bismuth sulfate Inorganic materials 0.000 claims description 2
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 2
- BEQZMQXCOWIHRY-UHFFFAOYSA-H dibismuth;trisulfate Chemical compound [Bi+3].[Bi+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BEQZMQXCOWIHRY-UHFFFAOYSA-H 0.000 claims description 2
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 claims description 2
- 239000011654 magnesium acetate Substances 0.000 claims description 2
- 235000011285 magnesium acetate Nutrition 0.000 claims description 2
- 229940069446 magnesium acetate Drugs 0.000 claims description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 2
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 2
- 150000002500 ions Chemical class 0.000 abstract description 2
- 239000010949 copper Substances 0.000 description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 11
- 229910052802 copper Inorganic materials 0.000 description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000008098 formaldehyde solution Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 229910052797 bismuth Inorganic materials 0.000 description 5
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 5
- 239000012065 filter cake Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 230000004913 activation Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- MFUVDXOKPBAHMC-UHFFFAOYSA-N magnesium;dinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MFUVDXOKPBAHMC-UHFFFAOYSA-N 0.000 description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- -1 polybutylene terephthalate Polymers 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000012798 spherical particle Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- NPKGQBIUYHHPOT-UHFFFAOYSA-N [Cu+2].[C-]#[C-] Chemical compound [Cu+2].[C-]#[C-] NPKGQBIUYHHPOT-UHFFFAOYSA-N 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- SXTLQDJHRPXDSB-UHFFFAOYSA-N copper;dinitrate;trihydrate Chemical compound O.O.O.[Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O SXTLQDJHRPXDSB-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 2
- 239000000391 magnesium silicate Substances 0.000 description 2
- 229910052919 magnesium silicate Inorganic materials 0.000 description 2
- 235000019792 magnesium silicate Nutrition 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 238000001694 spray drying Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000000967 suction filtration Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- LDXJRKWFNNFDSA-UHFFFAOYSA-N 2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound C1CN(CC2=NNN=C21)CC(=O)N3CCN(CC3)C4=CN=C(N=C4)NCC5=CC(=CC=C5)OC(F)(F)F LDXJRKWFNNFDSA-UHFFFAOYSA-N 0.000 description 1
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 229910017970 MgO-SiO2 Inorganic materials 0.000 description 1
- 241000907663 Siproeta stelenes Species 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000005905 alkynylation reaction Methods 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
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229940036348 bismuth carbonate Drugs 0.000 description 1
- KBZSNAZVDVIXKL-UHFFFAOYSA-L bismuth copper carbonate Chemical compound [Cu+2].[Bi+3].[O-]C([O-])=O KBZSNAZVDVIXKL-UHFFFAOYSA-L 0.000 description 1
- FBXVOTBTGXARNA-UHFFFAOYSA-N bismuth;trinitrate;pentahydrate Chemical compound O.O.O.O.O.[Bi+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FBXVOTBTGXARNA-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229940116318 copper carbonate Drugs 0.000 description 1
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 1
- GEZOTWYUIKXWOA-UHFFFAOYSA-L copper;carbonate Chemical compound [Cu+2].[O-]C([O-])=O GEZOTWYUIKXWOA-UHFFFAOYSA-L 0.000 description 1
- ZZBBCSFCMKWYQR-UHFFFAOYSA-N copper;dioxido(oxo)silane Chemical compound [Cu+2].[O-][Si]([O-])=O ZZBBCSFCMKWYQR-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- DQUIAMCJEJUUJC-UHFFFAOYSA-N dibismuth;dioxido(oxo)silane Chemical compound [Bi+3].[Bi+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O DQUIAMCJEJUUJC-UHFFFAOYSA-N 0.000 description 1
- GMZOPRQQINFLPQ-UHFFFAOYSA-H dibismuth;tricarbonate Chemical compound [Bi+3].[Bi+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O GMZOPRQQINFLPQ-UHFFFAOYSA-H 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- LVCQAASWWXWFTQ-UHFFFAOYSA-L magnesium;sulfate;pentahydrate Chemical compound O.O.O.O.O.[Mg+2].[O-]S([O-])(=O)=O LVCQAASWWXWFTQ-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- XZWYZXLIPXDOLR-UHFFFAOYSA-N metformin Chemical compound CN(C)C(=N)NC(N)=N XZWYZXLIPXDOLR-UHFFFAOYSA-N 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000001935 peptisation Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229920001896 polybutyrate Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/843—Arsenic, antimony or bismuth
- B01J23/8437—Bismuth
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- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/36—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal
- C07C29/38—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal by reaction with aldehydes or ketones
- C07C29/42—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal by reaction with aldehydes or ketones with compounds containing triple carbon-to-carbon bonds, e.g. with metal-alkynes
-
- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
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Abstract
本发明公开了一种Cu‑Bi‑Mg/SiO2催化剂及其制备方法和应用。该催化剂,按质量百分比计,其组成为:二氧化硅为25%~45%,氧化铜为30%~45%,氧化镁为5%~18%,其余为铋氧化物。采用共沉淀方法将可溶性的铜盐、铋盐和镁盐混合溶液进行沉淀,所得沉淀物中加入硅溶胶进行闪蒸干燥再经焙烧制得。该催化剂稳定性好,同时具备良好的流动性、分散性和过滤性能,便于使用;用于催化甲醛和乙炔反应制备1,4‑丁炔二醇时,可以调节和稳定体系酸碱度,有利于体系的pH稳定,可减少对pH的调控,简化了操作步骤,减少了杂离子的引入,具有工业应用前景。
Description
技术领域
本发明属于含载体催化剂技术领域,具体涉及一种Cu-Bi-Mg/SiO2催化剂及其制备方法和应用。
背景技术
1,4-丁炔二醇加氢后得到1,4-丁二醇(BDO),1,4-丁二醇是一种重要的基本有机化工和精细化工原料,主要消费于聚氨酯(PU)、聚对苯二甲酸丁二醇酯(PBT)、γ-丁内酯(GBL)和四氢呋喃(THF)等领域。近年来,我国对1,4-丁二醇的需求持续增长,截止2020年的产能约为两百多万万吨。随着国家对使用一次性生物可降解材料的要求不断提高,对生物可降解材料PBAT和PBS的需求不断增长,从而导致其上游原料BDO的需求也不断增长,国内企业纷纷新扩建BDO装置。BDO产能几年后将接近800万吨,生产1,4-丁炔二醇的关键催化剂的需求也将进一步放大。
20世纪40年代,Reppe发明了以甲醛和乙炔为原料合成1,4-丁炔二醇的工艺。该工艺使用炔铜为催化剂,在反应压力下增加了乙炔与炔铜的操作危险性。七十年代后,又开发了新型合成1,4-丁炔二醇的催化剂,使Reppe工艺得以改良。该工艺使用的催化剂为孔雀石,颗粒小,活性好,在淤浆床中反应,改善了操作压力,降低了爆炸的危险性。但这种催化剂不耐磨损,容易流失,失活也较快。针对这种情况,后来出现了以二氧化硅、沸石、硅藻土为载体的炔化催化剂。例如专利US4288641和US3920759,分别公开了以分子筛和硅酸镁为载体,以甲醛和乙炔制备1,4-丁炔二醇的含载体催化剂。但该类催化剂存在以下不足:⑴不易再生和回收,寿命短;⑵分子筛和硅酸镁载体制备工艺较复杂相对费用高。中国专利CN112023963以微米级α-氧化铝为载体,以沉积沉淀法、共浸渍法等方法把碱式碳酸铜和碱式碳酸铋多次(10次)负载到载体上。制备过程复杂,且α-氧化铝表面较惰性碱式碳酸盐活性组分难与其表面发生作用力会导致载体上活性组分分布不均匀单位表面积的活性位点少、结合力不牢导致活性组分流失。中国专利CN102950014、CN102950002和CN103480382均以SiO2为载体,活性物质为碱式碳酸铜铋,再加入硅溶胶后喷雾干燥,表面酸性的SiO2含量高且没有高温焙烧的硅长期在水热中稳定性不够,这些都可能造成产物中硅流失增加,可能导致后续加氢镍催化剂的毒害。中国专利CN 106881097先制备硅、铝沉淀,再将铜和碱并流加入,采用沉淀法或浸渍-沉积法制备,催化剂制备过程包括沉淀或浸渍沉积、还原、洗涤、真空冷冻干燥、焙烧等,过程较为复杂,设备要求高。中国专利CN106669695采用两次分步沉淀法工艺,即第一次将铜、铋、硅的溶液和碱并流得到沉淀,第二次再将铜铋和碱并流沉淀到第一次得到沉淀中,经洗涤后加入硅溶胶进行喷雾干燥得到Cu-Bi/SiO2催化剂。中国专利CN102658158将铜、铋、镁的盐配成溶液后,再将有机硅加入并加入有机溶剂乙醇,于碱性条件下水解沉淀,再在惰性气氛下焙烧得到Cu-Bi/C-MgO-SiO2催化剂。该制备方法采用有机硅源,使用较多乙醇,并且在惰性气氛下焙烧。中国专利CN107952443以铜、铋、镁盐溶液和硅溶液并流沉淀于水中,将得到沉淀洗涤过滤后再打浆,以碱调节pH为碱性后再洗涤过滤打浆进行水热反应30~50小时,最后再进行过滤干燥焙烧粉碎得到一定粒度分布的催化剂。
以上含载体1,4-丁炔二醇合成催化剂的制备方法普遍存在制备工艺较为复杂、耗时,或者存在有机挥发物排放等问题。除此,含载体的1,4-丁炔二醇合成催化剂在工业应用上除了有良好的催化活性还需要有良好的过滤分离性能。
发明内容
本发明目的在于提供一种Cu-Bi-Mg/SiO2催化剂及其制备方法和在合成1,4-丁炔二醇中的应用。
提供一种Cu-Bi-Mg/SiO2催化剂,按质量百分比计,其组成为:二氧化硅为25%~45%,氧化铜为30%~45%,氧化镁为5%~18%,其余为铋氧化物。
按上述方案,所述催化剂为近球形,粒度分布为:7μm<D50<20μm。
按上述方案,所述催化剂中氧化镁为微晶态,并高度分散于结晶态的CuO中,这样可有效防止焙烧过程中CuO晶粒的长大,同时增加催化剂碱性位点;优选地,CuO晶粒的尺寸为8~13nm。
提供一种上述Cu-Bi-Mg/SiO2催化剂的制备方法,包括以下步骤:
采用共沉淀方法将可溶性的铜盐、铋盐和镁盐混合溶液进行沉淀,所得沉淀物中加入硅溶胶进行闪蒸干燥再经焙烧制得。
按上述方案,所述可溶性铜盐为硫酸铜、硝酸铜、氯化铜中的任一种,优选硝酸铜;所述可溶性镁盐为硫酸镁、硝酸镁、氯化镁、醋酸镁中的任一种,优选硝酸镁;所述可溶性铋盐为硫酸铋、硝酸铋、氯化铋、柠檬酸铋中的任一种,优选硝酸铋。
按上述方案,以理论所得Cu-Bi-Mg/SiO2催化剂为总量,其中按质量百分比计,硅溶胶以氧化硅计占催化剂总量为25%~45%,水溶性铜盐以氧化铜计占催化剂总量为30~45%,镁盐以氧化镁计占催化剂总量为5~18%;铋盐以氧化铋计为剩余量。
按上述方案,具体包括以下步骤:
1)利用水溶性的铜盐和镁盐配制得到含有Cu2+和Mg2+的酸性溶液,然后再加入可溶性铋盐的硝酸溶液,得到Cu-Bi-Mg混合酸性溶液;
2)将碱液与步骤1)所得Cu-Bi-Mg混合酸性溶液通过并流方式在搅拌条件下混合,控制体系pH为碱性,在30-80℃下进行沉淀反应得到沉淀;
3)将步骤2)所得沉淀进行洗涤至近中性后过滤,再加入一定量的硅溶胶充分搅拌,闪蒸干燥,焙烧得到催化剂。
优选地,所述步骤1)中,铋盐的硝酸溶液配置为:用硝酸溶液和水溶解铋盐,其中硝酸溶液通过体积比为1:1~1:4的浓硝酸和水混合配制得到。
优选地,所述步骤1)中,含有Cu2+和Mg2+的酸性溶液制备为:取可溶性铜盐溶于水,再加入可溶性镁盐溶解,随后加酸调pH为1-2,即得含有Cu2+和Mg2+的酸性溶液。更优选地,加入的酸为硝酸或硫酸。
优选地,所述步骤2)中,碱液中的碱为碳酸钠、碳酸钾、氢氧化钠、氢氧化钾、碳酸氢钠中的一种或两种混合碱,更优选碳酸钠和氢氧化钠。
优选地,所述步骤2)中,碱液的浓度为质量百分含量5%~20%。
优选地,所述步骤2)中,沉淀反应温度为40℃~75℃。
优选地,所述步骤2)中,沉淀方法是将Cu-Bi-Mg混合酸溶液和碱并流加入搅拌的反应容器中;所述体系的pH为碱性是指体系的pH为7.5~10.5,优选8.5~9.5。
优选地,所述步骤3)中,硅溶胶为酸性或碱性,更优选碱性(pH<10);硅溶胶的含量为10%~30%,更优选20%~30%。
优选地,所述步骤3)中,闪蒸干燥温度为160℃~240℃,更优选190℃~200℃;闪蒸干燥的湿料中固含量为30%~60%,更优选35%~45%;
优选地,所述步骤3)中,焙烧温度为300℃~550℃,焙烧时间适宜为3~5小时;更优选焙烧温度为350℃~450℃。
优选地,所述步骤3)中,洗涤至近中性为pH≤8.0。
提供一种上述Cu-Bi-Mg/SiO2催化剂在合成1,4-丁炔二醇中的应用,具体为:用于催化甲醛和乙炔合成1,4-丁炔二醇。
按上述方案,甲醛为质量百分比浓度为19%~38%的水溶液;所述催化剂与甲醛溶液的质量比为1:15~1:12。
按上述方案,所述催化剂事先进行活化,具体为:将催化剂分散在甲醛溶液中,然后在氮气保护下通入乙炔气体进行活化。
优选地,活化具体步骤为:向夹套反应器中加入质量比为1:15~1:12的催化剂与19%~38%的甲醛溶液,通入氮气并开始升温,充分置换后,在1~2小时内使温度达到60℃~70℃时,切入乙炔气体,使乙炔占整个混合气体的30%~50%,继续升温,当体系温度达到90℃时切断氮气,使乙炔气在保证过量的情况下进行活化反应,持续反应6~12小时。活化好的催化剂从溶液中分离出,留作合成1,4-丁炔二醇的催化剂。
本发明的有益效果如下:
1.本发明提供了一种Cu-Bi-Mg/SiO2催化剂,以晶态的氧化铜为主要活性组分,铋氧化物为辅助组分,微晶态氧化镁为催化剂表面酸碱调节和活性组分分散的稳定剂;该催化剂用于催化甲醛和乙炔反应制备1,4-丁炔二醇时,催化剂首先与甲醛发生氧化还原反应使二价铜还原为一价铜,进一步生成为乙炔亚铜活性物。这个过程会产生甲酸等酸性物质,使体系酸性增强;催化剂中微晶态高分散的碱性MgO具备一定调节和稳定体系酸碱度作用,使催化剂具备良好的稳定性,同时有利于反应体系的pH稳定,可减少对pH的调控,简化了操作步骤,减少了杂离子的引入。同时,本发明具有近球颗粒形貌,形貌稳定性好,催化剂具备良好的流动性、分散性和过滤性能。
2.本发明提供了一种Cu-Bi-Mg/SiO2催化剂的制备方法,首先以Cu-Bi-Mg混合酸性溶液与碱并流法共沉淀,制备了特殊结构的Cu-Bi-Mg化合物。一方面可以避免铜、铋、镁、硅一起共沉淀时容易产生硅酸铋、硅酸铜等不利于炔化反应的物质;另一方面这样可使MgO以高度分散的微晶形态存在于活性组分间,可抑制催化剂在焙烧过程中CuO晶粒的尺寸长大和聚集,使活性组分具有良好的分散性保障了高活性。另外,微晶结构的高分散碱性MgO具备一定调节和稳定体系酸碱度作用,使催化剂炔化反应时具备良好的稳定性。进一步通过将共沉淀法得到的Cu-Bi-Mg沉淀滤饼中加入硅溶胶混合充分,硅溶胶作为分散和成型粘结剂,配以快速闪蒸干燥成型,高分散胶溶的SiO2迅速失水粘结使得催化剂具有近球颗粒形貌,粒度分布较为集中,催化剂具备良好的流动性、分散性和过滤性能便于使用;整个催化剂制备过程相对简单没有有害气体排放,具有工业应用前景。
附图说明
图1为实施例3制备催化剂的形貌图。
图2为实施例3催化剂反应前的过滤次数与过滤时间比较。
图3为实施例3催化剂反应后的过滤次数与过滤时间比较。
具体实施方式
下面通过具体实施例对本发明的技术方案做进一步的解释说明。
实施例1
提供一种合成1,4-丁炔二醇的Cu-Bi-Mg/SiO2催化剂的制备方法,包括以下步骤:
a.称取60.2g三水硝酸铜溶于水,再加入六水硝酸镁28.4g溶解,加入硝酸调pH为1.5。
b.称取2.9g五水硝酸铋,加入3.0ml硝酸溶液(浓硝酸和水体积比为1:3)和5ml水溶解后加入到步骤a所得溶液中,加水调节混合溶液体积为250ml,得Cu-Bi-Mg混合酸性溶液。
c.称取无水碳酸钠80g加入320g水中,溶解后得到碳酸钠质量百分含量为20%的碱液。
d.烧瓶中加入100ml水,升温至60℃恒温,搅拌下将步骤b所得Cu-Bi-Mg混合酸性溶液和步骤c所得碱液并流加入,控制烧瓶中悬着液pH为9.5±0.5。40±5分钟沉淀后恒温老化40分钟。
e.洗涤步骤d所得沉淀至pH≤8.0,过滤,得滤饼。
f.向步骤e所得滤饼中加入水和pH为9~10的碱性硅溶胶62g,碱性硅溶胶二氧化硅含量为30%,并使悬浊液中固体含量为35%,充分搅拌均匀。
g.将步骤f所得湿料进行闪蒸干燥,干燥进风温度为200℃,得到粉体催化剂。
h.将步骤g所得粉体进行焙烧,焙烧温度为400℃,焙烧时间为3小时,得到催化剂记为S1。
实施例2
相比较实施例1,仅改变的是f步骤中加入硅溶胶后湿料的固含量,使固含量为45%,这样得到的催化剂记为S2。
实施例3
相比较于实施例1,仅改变的是c步骤中沉淀温度由60℃变为80℃,催化剂记为S3。
其中图1为实施例3制备所得催化剂S3的形貌图。图中显示,催化剂为近球形形貌,7μm<D50<20μm;
同时根据XRD检测结果显示:所得催化剂中MgO为微晶态高度分散,CuO为结晶态,晶粒尺寸为8~13nm。
实施例4
相比较于实施例1,仅改变的是将步骤c中的碱由碳酸钠替换为氢氧化钠,并使配置碱液质量百分含量为15%。催化剂记为S4。
实施例5
相比较于实施例4,仅改变的是将步骤d中沉淀温度由60℃变为75℃,催化剂记为S5。
实施例6
相比较于实施例1,仅改变的是将步骤a中60.2g三水硝酸铜换为五水硫酸铜62.2g;将28.4g六水硝酸镁换为23.3g五水硫酸镁,催化剂记为S6。
将以上实施例制备催化剂按前述1,4-丁炔二醇合成催化剂活性测试方法测试活性。
在进行醛炔反应时,应先将本发明的催化剂活化,具体步骤为:
向夹套反应器中加入质量比为1:12的催化剂与38%的甲醛溶液,通入氮气并开始升温,充分置换后,在1~2小时内使温度达到60℃~70℃时,切入乙炔气体,使乙炔占整个混合气体的30%~50%,继续升温,当体系温度达到90℃时切断氮气,使乙炔气在保证过量的情况下进行活化反应,持续反应时间最好为12小时。活化好的催化剂从溶液中分离出,留作合成1,4-丁炔二醇的催化剂。
将上述活化后的催化剂再加入到38%甲醛进行12小时反应,其中催化剂(按活化前计)与38%的甲醛溶液的质量比为1:12,结果如表1所示。
表1.制备催化剂与工业催化剂活性测试结果
从表1可见,本发明方法制备的催化剂产物收率均好于工业样1,实施例3、实施例4、实施例5产物收率均好于工业样。
下面对实施例3制备所得Cu-Bi-Mg/SiO2催化剂进行性能测试,结果如下:
本发明实施例3制备得到的催化剂在活性测试实验过程中,反应物体系的pH值基本稳定,见表2。这得益于实施例中催化剂制备时活性组分特殊结构的MgO具有适当的碱性能及时调节1,4-丁炔二醇合成时甲醛还原铜时产生的酸。
表2催化剂不同反应时间体系pH值
实施例采用的闪蒸的快速干燥成型制备工艺技术能得到近似球形颗粒(见附图1),催化剂在甲醛溶液反应物中具有更好的分散性、流动性、沉降性,有利于1,4-丁炔二醇合成体系中气、固、液三相传质。
1,4-丁炔二醇合成催化剂在工业上应用除了具备良好的催化活性还应具备良好的过滤分离性能。按下述催化剂过滤性能测试方法分别测试了新鲜催化剂样品和反应后样品。本发明实施例3催化剂样品和工业催化剂样品过滤性能如图2、图3所示。
测试方法:
催化剂的过滤性能测试采用实验用G5砂芯漏斗,配置一定粒度范围分布的催化剂悬浊液50ml,其中催化剂的质量百分含量为10%,在抽滤状态下将搅拌均匀的催化剂湿料一次性倒入漏斗抽滤,并开始及时记录催化剂湿料过滤完的时间。第一次过滤完后倒出催化剂滤饼,冲洗砂芯上催化剂和滤饼一起打浆成前述悬浊液50ml,继续第二次过滤。后续3、4次过滤重复操作,以此考察催化剂的过滤性能。
图2和图3所示,催化剂反应前后的4次过滤数据看,本发明催化剂样品的过滤时间均小于工业样,说明采用本发明制备催化剂方法催化剂有良好的过滤性能。
本发明催化剂的具体制备方法的实施例不是限定本发明的制备方法的条款,其它同类表述或相同意思的替换都应属于本专利保护范围内。
Claims (10)
1.一种Cu-Bi-Mg/SiO2催化剂,其特征在于,按质量百分比计,其组成为:二氧化硅为25%~45%,氧化铜为30%~45%,氧化镁为5%~18%,其余为铋氧化物。
2.根据权利要求1所述的催化剂,其特征在于,所述催化剂为近球形,粒度分布为:7μm<D50<20μm。
3.根据权利要求1所述的催化剂,其特征在于,所述催化剂中氧化镁为微晶态,并高度分散于结晶态的CuO中。
4.一种权利要求1-3任一项所述的Cu-Bi-Mg/SiO2催化剂的制备方法,其特征在于,包括以下步骤:
采用共沉淀方法将可溶性的铜盐、铋盐和镁盐混合溶液进行沉淀,所得沉淀物中加入硅溶胶进行闪蒸干燥再经焙烧制得。
5.根据权利要求4所述的制备方法,其特征在于,所述可溶性铜盐为硫酸铜、硝酸铜、氯化铜中的任一种;所述可溶性镁盐为硫酸镁、硝酸镁、氯化镁、醋酸镁中的任一种;所述可溶性铋盐为硫酸铋、硝酸铋、氯化铋、柠檬酸铋中的任一种。
6.根据权利要求4所述的制备方法,其特征在于,以理论所得Cu-Bi-Mg/SiO2催化剂为总量,其中按质量百分比计,硅溶胶以氧化硅计占催化剂总量为25%~45%,水溶性铜盐以氧化铜计占催化剂总量为30~45%,镁盐以氧化镁计占催化剂总量为5~18%;铋盐以氧化铋计为剩余量。
7.根据权利要求4所述的制备方法,其特征在于,具体包括以下步骤:
1)利用水溶性的铜盐和镁盐配制得到含有Cu2+和Mg2+的酸性溶液,然后再加入可溶性铋盐的硝酸溶液,得到Cu-Bi-Mg混合酸性溶液;
2)将碱液与步骤1)所得Cu-Bi-Mg混合酸性溶液通过并流方式在搅拌条件下混合,控制体系pH为碱性,在30-80℃下进行沉淀反应得到沉淀;
3)将步骤2)所得沉淀进行洗涤至近中性后过滤,再加入一定量的硅溶胶充分搅拌,闪蒸干燥,焙烧得到催化剂。
8.根据权利要求4所述的制备方法,其特征在于,所述步骤2)中,控制体系pH为7.5~10.5;沉淀反应温度为40℃~75℃。
9.根据权利要求4所述的制备方法,其特征在于,所述步骤3)中,闪蒸干燥温度为160℃~240℃,闪蒸干燥的湿料中固含量为30%~60%;焙烧温度为300℃~550℃,焙烧时间适宜为3~5小时。
10.一种权利要求1-3任一项所述的Cu-Bi-Mg/SiO2催化剂在合成1,4-丁炔二醇中的应用,具体为:用于催化甲醛和乙炔合成1,4-丁炔二醇。
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CN102658158A (zh) * | 2012-05-20 | 2012-09-12 | 山西大学 | 一种铜铋催化剂及制备方法 |
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CN107999083A (zh) * | 2017-11-22 | 2018-05-08 | 大连瑞克科技有限公司 | 一种合成丁炔二醇CuBiMgSi催化剂的制备方法 |
CN109772425A (zh) * | 2017-11-14 | 2019-05-21 | 中国石油化工股份有限公司 | 一种制备1,4-丁炔二醇联产丙炔醇的负载型催化剂及其制备方法和应用 |
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CN102658158A (zh) * | 2012-05-20 | 2012-09-12 | 山西大学 | 一种铜铋催化剂及制备方法 |
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