CN113371726A - 一种功能沸石分子筛材料及其制备方法 - Google Patents
一种功能沸石分子筛材料及其制备方法 Download PDFInfo
- Publication number
- CN113371726A CN113371726A CN202110711470.9A CN202110711470A CN113371726A CN 113371726 A CN113371726 A CN 113371726A CN 202110711470 A CN202110711470 A CN 202110711470A CN 113371726 A CN113371726 A CN 113371726A
- Authority
- CN
- China
- Prior art keywords
- molecular sieve
- functional
- zeolite
- zeolite molecular
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010457 zeolite Substances 0.000 title claims abstract description 103
- 229910021536 Zeolite Inorganic materials 0.000 title claims abstract description 102
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 239000002808 molecular sieve Substances 0.000 title claims abstract description 81
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 239000000463 material Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 239000013078 crystal Substances 0.000 claims abstract description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 239000011258 core-shell material Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 9
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 8
- 239000010703 silicon Substances 0.000 claims abstract description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000011574 phosphorus Substances 0.000 claims abstract description 7
- 239000012690 zeolite precursor Substances 0.000 claims abstract description 6
- 239000012452 mother liquor Substances 0.000 claims abstract description 5
- 238000004729 solvothermal method Methods 0.000 claims abstract description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 40
- 238000006243 chemical reaction Methods 0.000 claims description 40
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 33
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 30
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 30
- 238000001035 drying Methods 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 26
- 239000002243 precursor Substances 0.000 claims description 21
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 claims description 18
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 claims description 18
- 238000005406 washing Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000012298 atmosphere Substances 0.000 claims description 17
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 16
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 15
- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 claims description 14
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 13
- 239000001632 sodium acetate Substances 0.000 claims description 13
- 235000017281 sodium acetate Nutrition 0.000 claims description 13
- 239000001509 sodium citrate Substances 0.000 claims description 13
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 claims description 13
- 229940038773 trisodium citrate Drugs 0.000 claims description 13
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 claims description 12
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 12
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 235000012239 silicon dioxide Nutrition 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000004115 Sodium Silicate Substances 0.000 claims description 8
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 7
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 claims description 6
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 6
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 5
- 239000012013 faujasite Substances 0.000 claims description 5
- 229910052680 mordenite Inorganic materials 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229910052723 transition metal Inorganic materials 0.000 claims description 5
- -1 transition metal salt Chemical class 0.000 claims description 5
- 229910003264 NiFe2O4 Inorganic materials 0.000 claims description 4
- 238000005804 alkylation reaction Methods 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 235000019445 benzyl alcohol Nutrition 0.000 claims description 4
- 238000005574 benzylation reaction Methods 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052593 corundum Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 238000005216 hydrothermal crystallization Methods 0.000 claims description 4
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 claims description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 4
- 229910002518 CoFe2O4 Inorganic materials 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 claims description 3
- 230000034655 secondary growth Effects 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 claims description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 2
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 claims description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims description 2
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 2
- 239000003814 drug Substances 0.000 claims 1
- 238000003837 high-temperature calcination Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- NQNBVCBUOCNRFZ-UHFFFAOYSA-N nickel ferrite Chemical compound [Ni]=O.O=[Fe]O[Fe]=O NQNBVCBUOCNRFZ-UHFFFAOYSA-N 0.000 claims 1
- 230000035484 reaction time Effects 0.000 claims 1
- 238000002425 crystallisation Methods 0.000 abstract description 6
- 230000008025 crystallization Effects 0.000 abstract description 6
- 239000002904 solvent Substances 0.000 abstract description 3
- 239000002105 nanoparticle Substances 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 1
- 230000006698 induction Effects 0.000 abstract 1
- 230000005389 magnetism Effects 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 18
- 238000001816 cooling Methods 0.000 description 16
- 238000007885 magnetic separation Methods 0.000 description 8
- 238000002604 ultrasonography Methods 0.000 description 8
- 238000002441 X-ray diffraction Methods 0.000 description 7
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 6
- 238000006555 catalytic reaction Methods 0.000 description 5
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 4
- UBEWDCMIDFGDOO-UHFFFAOYSA-N cobalt(II,III) oxide Inorganic materials [O-2].[O-2].[O-2].[O-2].[Co+2].[Co+3].[Co+3] UBEWDCMIDFGDOO-UHFFFAOYSA-N 0.000 description 4
- 239000013310 covalent-organic framework Substances 0.000 description 4
- 239000012621 metal-organic framework Substances 0.000 description 4
- 229910003321 CoFe Inorganic materials 0.000 description 3
- 229910021580 Cobalt(II) chloride Inorganic materials 0.000 description 3
- 238000003917 TEM image Methods 0.000 description 3
- 239000002178 crystalline material Substances 0.000 description 3
- 238000000635 electron micrograph Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000002439 hemostatic effect Effects 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 229910021592 Copper(II) chloride Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005899 aromatization reaction Methods 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 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
- 230000000536 complexating effect Effects 0.000 description 1
- 229940112669 cuprous oxide Drugs 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009881 electrostatic interaction Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 239000010413 mother solution Substances 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 238000004627 transmission electron microscopy Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/04—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof using at least one organic template directing agent, e.g. an ionic quaternary ammonium compound or an aminated compound
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
- B01J29/10—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing iron group metals, noble metals or copper
- B01J29/14—Iron group metals or copper
- B01J29/146—Y-type faujasite
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
- B01J29/405—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
- B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
- B01J29/46—Iron group metals or copper
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/76—Iron group metals or copper
- B01J29/7607—A-type
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/76—Iron group metals or copper
- B01J29/7615—Zeolite Beta
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/33—Electric or magnetic properties
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/026—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/02—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons
- C07C2/42—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons homo- or co-oligomerisation with ring formation, not being a Diels-Alder conversion
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/86—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
- C07C2/862—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms
- C07C2/864—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms the non-hydrocarbon is an alcohol
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/09—Preparation of ethers by dehydration of compounds containing hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
本发明属于沸石分子筛材料技术领域,具体为一种功能性核壳沸石分子筛材料及其制备方法。本发明通过热诱导界面定向生长方法制备的功能沸石分子筛是具有以特殊功能的高结晶无机纳米颗粒为核,多晶结构的微孔沸石分子筛为壳层的功能沸石分子筛材料。首先采用溶剂热合成法分别制备沸石前驱体和功能结晶核,然后将沸石前驱体和功能性结晶核高温焙烧;将焙烧后的复合材料放入含有硅源、铝源、磷源和模板剂的沸石合成母液中,溶剂热晶化,通过焙烧除去模板剂,最终得到多晶沸石分子筛包覆功能性结晶核的核壳结构功能沸石分子筛材料。功能性的核可赋予沸石光学、电学和磁学特性,使沸石在光、电和磁等领域有着广阔的应用前景。
Description
技术领域
本发明属于沸石分子筛材料技术领域,具体涉及一种功能性核壳沸石分子筛材料及其制备方法。
背景技术
多孔晶体材料包括沸石[CN201510683125.3],金属有机框架材料(MOF)[CN201610364445.7]和共价有机框架材料(COF)[CN201910268780.0],这些晶体材料优异的物理化学性质使其在石油化工、催化、气体吸附与分离和环境技术领域有着广泛的应用[CN201911350621.1;CN201611206863.X]。通过与一个或多个具有其他功能的客体相的复合制备具有精确成分和形貌的晶体多孔异质结构已被证实是一种很有前途的方法来拓宽多孔晶体材料的应用,可以通过不同组分之间的协同作用赋予多孔材料的新的功能,例如MOFs与Co3V2O8复合应用于锂离子电池负极(CN201911297718.0);COF与碳纳米管复合应用于制备点化学传感器(CN202010257334.2);沸石分子筛与氧化钛复合应用于吸附分离和催化(CN201410116684.1);沸石分子筛经过钙离子改性得到了具有较高止血效果的止血材料(CN200910154194.X);通过水热的方法将含有硅源、铝源、模板剂和镁盐的悬浊液水热晶化制备出具有荧光性能的荧光复合分子筛材料(CN200910194645.2)。上述研究主要集中在多孔晶体材料与客体物相的简单复合,然而,将具有特定形貌结构和特殊功能的客体结晶相与多孔晶体材料复合目前还很少报道,尤其是新型的沸石分子筛异质结构的精细设计还是很难实现。
沸石分子筛是一种无机晶体多孔材料,由TO4(T=Si、Al、P等)四面体定向排列组成。由于沸石与客体晶体之间的晶格失配,当客体晶体的晶格常数或晶体结构超过一定阈值时,沸石不能在客体晶体表面外延生长。此外,由于构成沸石分子筛的基本单元具有刚性,不同于构成MOFs/COFs的柔性有机分子。因此,在温和的湿化学合成中,有机分子通过静电相互作用吸附在客体物种上,以降低结晶能。然而,在高温高压条件下,沸石无法生长于客体晶体上。
目前功能沸石分子筛材料的合成方法主要是通过沉淀法(CN 104741076 A;CN106040165 A;CN 108187738 A;CN 108126740 A)、离子交换法(CN 1915849 A)和浸渍法制备(CN 102049276 A)。虽然通过以上几种方式能够将客体物相与沸石分子筛结合,但所合成的材料结构不可控、组分不均一和不可调,且客体晶体和沸石之间的相互作用力弱,在苛刻的应用环境下结构不稳定,因此不能满足功能沸石分子筛在光热和磁热条件下的催化应用。
本发明提供了一种简单、易操作的方法来制备具有核壳结构的功能沸石分子筛材料的合成方法,不仅可作为磁热和光热催化剂,而且在吸附、分离、生物医药等方面也具有重要的应用价值。
发明内容
本发明的目的在于提供一种结构稳定、性能优异的功能沸石分子筛材料及其制备方法。
本发明提出的功能沸石分子筛,是一种具有以特殊功能的高结晶无机纳米颗粒为核,多晶结构的微孔沸石分子筛为壳层的具有核壳结构的功能沸石分子筛材料。
本发明提出的上述功能沸石分子筛的制备方法,具体步骤如下:
(1)功能性结晶核的制备。将过渡金属盐,稳定剂柠檬酸三钠和乙酸钠,还原剂乙二醇混合均匀;然后将混合溶液进行溶剂热反应,得到功能性结晶核;
(2)沸石分子筛前驱体制备。将硅源、铝源、磷源和模板剂放入乙醇/水混合溶液中混合均匀,然后将混合液放入水热釜中,在50-250 ℃温度下,晶化1-14天,得到沸石分子筛前驱体;
(3)将步骤(1)所得功能性结晶核和步骤(2)所得沸石前驱体以质量比为0.01-50的比例混合均匀,在惰性气氛中进行高温焙烧;
(4)将步骤(3)焙烧后所得的复合材料放入步骤(2)中的沸石合成母液里进行再一次的水热晶化,使沸石经二次生长定向地包裹功能结晶核;反应完全后,经洗涤、干燥,再在惰性气氛中进行高温焙烧,除去模板剂,得到多晶沸石分子筛包覆功能性结晶核的核壳结构功能沸石分子筛材料。
本发明步骤(1)中,功能结晶核的合成条件为:将过渡金属盐,稳定剂柠檬酸三钠和乙酸钠,还原剂乙二醇混合均匀,接着将混合溶液进行溶剂热处理得到功能性结晶核。其中所述过渡金属盐为三氯化铁、氯化钴、硝酸铁、硝酸镍、氯化铜、氯化钛和硝酸铈中的一种或两种,质量含量为1 %-50 %,优选1 %-30 %;柠檬酸三钠的质量含量为1 %-25 %,优选1%-15 %;乙酸钠的质量含量为1 %- 30 %,优选1 %-15 %;所使用的溶剂热的温℃在50-250℃之间,优选100-150 ℃。
本发明步骤(1)中,所述功能结晶的核为Fe3O4、CoFe2O4、NiFe2O4、铁(Fe)、钴(Co)、镍(Ni)、氧化铜(CuO)、氧化亚铜(Cu2O)、氧化钛(TiO2)和氧化铈(CeO2)中的一种。
本发明步骤(2)中,沸石前驱体的合成所用硅源为正硅酸四乙酯、硅酸、硅溶胶和硅酸钠中的一种;所用铝源为硝酸铝、氯化铝、铝粉和偏铝酸钠中的一种;所使用的磷源为磷酸;所用模板剂为四丙基氢氧化铵(TPAOH)、四乙基氢氧化铵(TEAOH)、四甲基氢氧化铵(TMAOH)、三丙胺、三乙胺和吡咯烷中的一种;它们的摩尔配比为:0.1-10 SiO2:0.01-20模板剂:0-10 Al2O3:0.1-200 H2O:0.4-40 CH3CH2OH:0-1.2 H3PO4。沸石分子筛前驱体为ZSM-5(MFI)、Beta(BEA)、ZSM-11(MEL)、丝光沸石(MOR)、A型沸石(LTA)、八面沸石(FAU)和AIPO4(CHA)中的一种。水热釜中反应温度为50-250 ℃;晶化时间为1-14天,优选反应温度为100-180 ℃;晶化时间为7-10天。
本发明步骤(3)中,沸石分子筛前驱体和功能结晶核通过焙烧的方式结合,所述惰性气氛为在氮气气氛,氮气流速为0.1-20 毫升/分钟,焙烧时控制升温速率为0.1-20℃/分钟;焙烧温度为200-800℃,优选400-600℃。焙烧时间为1-48小时,优选24小时。
本发明步骤(4)中,核壳结构的功能沸石分子筛材料需要将沸石和结晶核复合材料在沸石合成母液里进行再一次的溶剂热晶化,使沸石经二次生长定向地包裹功能结晶核。沸石和结晶核复合材料的水热晶化所用沸石合成母液里,硅源为正硅酸四乙酯、硅酸、硅溶胶和硅酸钠中的一种;所用铝源为硝酸铝、氯化铝、铝粉和偏铝酸钠中的一种;所使用的磷源为磷酸;所用模板剂为四丙基氢氧化铵(TPAOH)、四乙基氢氧化铵(TEAOH)、四甲基氢氧化铵(TMAOH)、三丙胺、三乙胺和吡咯烷中的一种;它们的摩尔配比为:0.1-15 SiO2:0.03-20模板剂:0-15 Al2O3:0.1-150 H2O:0.4-50 CH3CH2OH:0-1.5 H3PO4。所用温℃在范围是100-250 ℃;所用晶化时间为3-18天。沸石分子筛前驱体为ZSM-5(MFI)、Beta(BEA)、ZSM-11(MEL)、丝光沸石(MOR)、A型沸石(LTA)、八面沸石(FAU)和AIPO4(CHA)。
本发明步骤(4)中,所述在惰性气氛中进行高温焙烧除去模板剂,惰性气氛为氮气气氛,控制氮气流速为0.1-20 毫升/分钟,高温焙烧时,控制 0.1-20℃/分钟的升温速率,升温至200-800℃,优选400-600℃,焙烧时间为1-48小时,优选24小时。
本发明提供的具有核壳结构的功能沸石分子筛材料,不同于之前所报道的材料,它具有多晶的壳层沸石分子筛结构、高的沸石结晶度、大的微孔比表面积(415 m2/g)、较高的机械强度和功能性的结晶核等特点。
本发明制备功能沸石分子筛材料,具有优秀磁热和光热特性,作为催化剂应用于催化反应中,具体包括用于光热催化苯和苯甲醇的苄基化反应,或用于磁热催化苯和甲醇的烷基化反应。
本发明制备方法,工艺简单,设备常规,价格低廉,具有大规模工业合成的前景。
附图说明
图1为实施例1制得的 ZSM-5沸石分子筛包覆Fe3O4结晶核的功能沸石分子筛Fe3O4@ZSM-5的透射电镜图。
图2 为实施例2制得的Beta沸石分子筛包裹Co3O4结晶核的功能沸石分子筛Co3O4@Beta的透射电镜图。
图3 为实施例3制得的Y沸石分子筛包裹的CoFe2O4结晶核的功能沸石分子筛CoFe2O4@Y的透射电镜图。
图4 为实施例4制得的Y沸石分子筛包裹的NiFe2O4结晶核的功能沸石分子筛NiFe2O4@Y的XRD图。
图5 为实施例5制得的NaA沸石分子筛包裹的Fe3O4结晶核的功能沸石分子筛Fe3O4@NaA的XRD图。
图6 为实施例6制得的ZSM-11沸石分子筛包裹的Co3O4结晶核的功能沸石分子筛Co3O4@ZSM-11的XRD图。
图7 为实施例8制得的ZSM-5沸石分子筛包裹的CeO2结晶核的功能沸石分子筛CeO2@ZSM-5的XRD图。
具体实施方式
下面通过具体实施例进一步说明本发明。
实施例1,将3.6 g FeCl3溶解在100 ml乙二醇中,然后向其中加入1.2 g柠檬酸三钠和6 g乙酸钠,超声搅拌1小时,然后转入高压反应釜内。放于200℃烘箱中加热10小时。待反应结束后,自然将至室温后,磁分离,使用乙醇和水洗涤三次后,干燥后备用。取5 ml的(0.1 正硅酸四乙酯:0.2 四丙基氢氧化铵TPAOH:0.001 氯化铝:100 H2O:0.4 CH3CH2OH)的母液,将其放置于高压反应釜中,90℃加热2天,待反应结束后降至室温后,离心、水洗和干燥后备用。分别称取1 g Fe3O4和2 g的ZSM-5前驱体,将其物理混合均匀后置于500℃的管式炉中,惰性气氛下以3℃/分的升温速率升至500℃焙烧2小时。然后将焙烧后的复合材料继续放入5 ml的(0.1 正硅酸四乙酯:0.2 四丙基氢氧化铵TPAOH:0.001 氯化铝:100 H2O:0.4 CH3CH2OH)的母液,将其放置于高压反应釜中,90℃加热3天,离心干燥后,在氮气气氛中,550℃条件下6小时烧除模板剂即得Fe3O4@ZSM-5沸石分子筛材料。TEM电镜图证明所得的功能沸石分子筛具核壳结构,见图1。
实施例2,将2.4 g CoCl2溶解在100 ml乙二醇中,然后向其中加入0.8 g柠檬酸三钠和4 g乙酸钠,超声搅拌1小时,然后转入高压反应釜内。放于200℃烘箱中加热8小时。待反应结束后,自然将至室温后,磁分离,使用乙醇和水洗涤三次后,干燥后备用。取5 ml的(0.1 硅酸:0.3 四乙基氢氧化铵TEAOH:0.001 偏铝酸钠:100 H2O:0.4 CH3CH2OH)的母液,将其放置于高压反应釜中,180℃加热7天,待反应结束后降至室温后,离心、水洗和干燥后备用。分别称取0.5 g Co3O4和1.5 g的Beta前驱体,将其物理混合均匀后置于600℃的管式炉中,惰性气氛下以5℃/分的升温速率升至600℃焙烧4小时。然后将焙烧后的复合材料继续放入5 ml的(0.1 硅酸:0.3 四乙基氢氧化铵TEAOH:0.001 偏铝酸钠:100 H2O:0.4CH3CH2OH)的母液,将其放置于高压反应釜中,180℃加热4天,离心干燥后,在氮气气氛中,550℃条件下6小时烧除模板剂即得Co3O4@Beta沸石分子筛材料。TEM电镜图证明所得的功能沸石分子筛具核壳结构。见图2。
实施例3,将1.5 g FeCl3和3 g CoCl2溶解在100 ml乙二醇中,然后向其中加入2 g柠檬酸三钠和5 g乙酸钠,超声搅拌1小时,然后转入高压反应釜内。放于200℃烘箱中加热6小时。待反应结束后,自然将至室温后,磁分离,使用乙醇和水洗涤三次后,干燥后备用。取5ml的(0.1 硅酸钠:0.15 四甲基氢氧化铵TMAOH:0.001 硝酸铝:100 H2O:0.4 CH3CH2OH)的母液,将其放置于高压反应釜中,170℃加热5天,待反应结束后降至室温后,离心、水洗和干燥后备用。分别称取2 g CoFe2O4和1 g的Y前驱体,将其物理混合均匀后置于900℃的管式炉中,惰性气氛下以4℃/分的升温速率升至900℃焙烧8小时。然后将焙烧后的复合材料继续放入5 ml的(0.1 硅酸钠:0.15 四甲基氢氧化铵TMAOH:0.001 硝酸铝:100 H2O:0.4CH3CH2OH)的母液,将其放置于高压反应釜中,170℃加热3天,离心干燥后,在氮气气氛中,550℃条件下6小时烧除模板剂即得CoFe2O4@Y沸石分子筛材料。TEM电镜图证明所得的功能沸石分子筛具核壳结构。见图3。
实施例4,将1.5 g FeCl3和3 g NiCl2溶解在100 ml乙二醇中,然后向其中加入2 g柠檬酸三钠和5 g乙酸钠,超声搅拌1小时,然后转入高压反应釜内。放于200℃烘箱中加热6小时。待反应结束后,自然将至室温后,磁分离,使用乙醇和水洗涤三次后,干燥后备用。取5ml的(0.1 硅酸:0.15 四甲基氢氧化铵TMAOH:0.001 铝粉:100 H2O:0.4 CH3CH2OH)的母液,将其放置于高压反应釜中,170℃加热5天,待反应结束后降至室温后,离心、水洗和干燥后备用。分别称取2 g NiFe2O4和1 g的Y前驱体,将其物理混合均匀后置于900℃的管式炉中,惰性气氛下以4℃/分的升温速率升至900℃焙烧8小时。然后将焙烧后的复合材料继续放入5 ml的(0.1 硅酸:0.15 四甲基氢氧化铵TMAOH:0.001 铝粉:100 H2O:0.4 CH3CH2OH)的母液,将其放置于高压反应釜中,170℃加热3天,离心干燥后,在氮气气氛中,550℃条件下6小时烧除模板剂即得NiFe2O4@Y沸石分子筛材料。TEM电镜图证明所得的功能沸石分子筛具核壳结构。见图4。
实施例5,将4 g FeCl3溶解在100 ml乙二醇中,然后向其中加入2.5 g柠檬酸三钠和4.5 g乙酸钠,超声搅拌1小时,然后转入高压反应釜内。放于200℃烘箱中加热7小时。待反应结束后,自然将至室温后,磁分离,使用乙醇和水洗涤三次后,干燥后备用。取5 ml的(0.1 正硅酸四乙酯:0.15四甲基氢氧化铵 TMAOH:0.001 铝粉:100 H2O:0.4 CH3CH2OH)的母液,将其放置于高压反应釜中,95℃加热7天,待反应结束后降至室温后,离心、水洗和干燥后备用。分别称取2 g Fe3O4和1 g的A前驱体,将其物理混合均匀后置于900℃的管式炉中,惰性气氛下以4℃/分的升温速率升至900℃焙烧8小时。然后将焙烧后的复合材料继续放入5 ml的(0.1 正硅酸四乙酯:0.15 四甲基氢氧化铵TMAOH:0.001 铝粉:100 H2O:0.4CH3CH2OH)的母液,将其放置于高压反应釜中,95℃加热3天,离心干燥后,在氮气气氛中,550℃条件下6小时烧除模板剂即得Fe3O4@NaA沸石分子筛材料。XRD谱图证明所得的功能沸石分子筛具有NaA沸石分子筛的晶型和Fe3O4的晶型。XRD谱图见图5。
实施例6,将3 g CoCl2溶解在100 ml乙二醇中,然后向其中加入3 g柠檬酸三钠和5.5 g乙酸钠,超声搅拌1小时,然后转入高压反应釜内。放于200℃烘箱中加热8小时。待反应结束后,自然将至室温后,磁分离,使用乙醇和水洗涤三次后,干燥后备用。取5 ml的(0.1硅酸:0.15四乙基氢氧化铵 TEAOH:0.001 偏铝酸钠:100 H2O:0.4 CH3CH2OH)的母液,将其放置于高压反应釜中,105℃加热7天,待反应结束后降至室温后,离心、水洗和干燥后备用。分别称取1.5 g Co3O4和1.5 g的ZSM-11前驱体,将其物理混合均匀后置于900℃的管式炉中,惰性气氛下以4℃/分的升温速率升至900℃焙烧8小时。然后将焙烧后的复合材料继续放入5 ml的(0.1 硅酸:0.15 四乙基氢氧化铵TEAOH:0.001 偏铝酸钠:100 H2O:0.4CH3CH2OH)的母液,将其放置于高压反应釜中,105℃加热4天,离心干燥后,在氮气气氛中,550℃条件下6小时烧除模板剂即得Co3O4@ZSM-11沸石分子筛材料。XRD谱图证明所得的功能沸石分子筛具有ZSM-11沸石分子筛的晶型和Co3O4晶型。XRD谱图见图6。
实施例7,将2.5 g CuCl2溶解在100 ml乙二醇中,然后向其中加入2.7 g柠檬酸三钠和5.3 g乙酸钠,超声搅拌1小时,然后转入高压反应釜内。放于200℃烘箱中加热8小时。待反应结束后,自然将至室温后,磁分离,使用乙醇和水洗涤三次后,干燥后备用。取5 ml的(0.1 硅酸钠:0.15四乙基氢氧化铵 TEAOH:0.001 氯化铝:100 H2O:0.4 CH3CH2OH)的母液,将其放置于高压反应釜中,105℃加热7天,待反应结束后降至室温后,离心、水洗和干燥后备用。分别称取1.3 g Cu2O和1.5 g的ZSM-11前驱体,将其物理混合均匀后置于900℃的管式炉中,惰性气氛下以4℃/分的升温速率升至900℃焙烧8小时。然后将焙烧后的复合材料继续放入5 ml的(0.1 硅酸钠:0.15 四乙基氢氧化铵TEAOH:0.001 氯化铝:100 H2O:0.4CH3CH2OH)的母液,将其放置于高压反应釜中,105℃加热4天,离心干燥后,在氮气气氛中,550℃条件下6小时烧除模板剂即得Cu2O@ZSM-11沸石分子筛材料。
实施例8,将2.8 g 硝酸铈溶解在100 ml乙二醇中,然后向其中加入2.5 g柠檬酸三钠和5.8 g乙酸钠,超声搅拌1小时,然后转入高压反应釜内。放于200℃烘箱中加热8小时。待反应结束后,自然将至室温后,磁分离,使用乙醇和水洗涤三次后,干燥后备用。取5ml的(0.1 硅溶胶:0.2 四丙基氢氧化铵TPAOH:0.001 铝粉:100 H2O:0.4 CH3CH2OH)的母液,将其放置于高压反应釜中,90℃加热2天,待反应结束后降至室温后,离心、水洗和干燥后备用。分别称取1.1 g CeO2和2 g的ZSM-5前驱体,将其物理混合均匀后置于500℃的管式炉中,惰性气氛下以3℃/分的升温速率升至500℃焙烧2小时。然后将焙烧后的复合材料继续放入5 ml的(0.1 硅溶胶:0.2 四丙基氢氧化铵TPAOH:0.001 铝粉:100 H2O:0.4CH3CH2OH)的母液,将其放置于高压反应釜中,90℃加热3天,离心干燥后,在氮气气氛中,550℃条件下6小时烧除模板剂即得CeO2@ZSM-5沸石分子筛材料。XRD谱图证明所得的功能沸石分子筛具有ZSM-5沸石分子筛的晶型。XRD谱图见图7。
实施例9,将实施例1-3制得的功能沸石分子筛材料用于磁稳定床反应器上1-丁烯脱氢芳构反应,以1-丁烯为原料,反应温℃为350 ℃,1-丁烯空速0.6 h-1,载气为氮气,磁场强℃为A,评价结果列于表1。
实施例10,将实施例2制得的Co3O4@Beta功能沸石沸石材料用于苯和苯甲醇808 nm激光下苄基化反应,以苯甲醇和苯为原料摩尔比为10:1,功率为0.8 W/cm的激光,评价结果列于表 2。
实施例11,将实施例4-6制得的功能沸石沸石分子筛材料用于苯和甲醇磁热条件下烷基化反应,交变磁场(1.10 MHz,700A/m)下,苯和甲醇摩尔比为1:3的条件下。评价结果列于表 3。
表1为三种功能沸石分子筛在磁稳定床上丁烯脱氢芳构反应结果
表2为功能沸石分子筛Co3O4@Beta在光热条件下催化苯和苯甲醇苄基化反应结果
表3为三种功能沸石分子筛在磁生热条件下催化苯和甲醇烷基化反应结果
Claims (10)
1.一种功能沸石分子筛材料的制备方法,其特征在于,具体步骤为:
(1)功能性结晶核的制备;将过渡金属盐,稳定剂柠檬酸三钠和乙酸钠,还原剂乙二醇混合均匀;然后将混合溶液进行溶剂热反应,得到功能性结晶核;
(2)沸石分子筛前驱体制备;将硅源、铝源、磷源和模板剂放入乙醇/水混合溶液中混合均匀,然后将混合液放入水热釜中,在50-250 ℃温度下,晶化1-14天,得到沸石分子筛前驱体;
(3)将步骤(1)所得功能性结晶核和步骤(2)所得沸石前驱体以混合均匀,在惰性气氛中进行高温焙烧;
(4)将步骤(3)焙烧后所得的复合材料放入步骤(2)中的沸石合成母液里进行再一次的水热晶化,使沸石经二次生长定向地包裹功能结晶核;反应完全后,经洗涤、干燥,再在惰性气氛中进行高温焙烧,除去模板剂,得到多晶沸石分子筛包覆功能性结晶核的核壳结构功能沸石分子筛材料。
2.根据权利要求1所述的制备方法,其特征在于,步骤(1)中所述过渡金属盐为三氯化铁、氯化钴、硝酸铁、硝酸镍、氯化铜、氯化钛和硝酸铈中的一种或两种,质量含量为1 %-50%;柠檬酸三钠的质量含量为1 %-25 %;乙酸钠的质量含量为1 %- 30 %;所述溶剂热反应温度为50-250 ℃;溶剂热时间为1-48小时。
3.根据权利要求2所述的制备方法,其特征在于,步骤(1)中所述功能性结晶的核为Fe3O4、CoFe2O4、NiFe2O4、Fe、Co、Ni、CuO、Cu2O、TiO2和CeO2中的一种。
4. 根据权利要求2所述的制备方法,其特征在于,步骤(2)中,所用硅源为正硅酸四乙酯、硅酸、硅溶胶和硅酸钠中的一种;所用铝源为硝酸铝、氯化铝、铝粉和偏铝酸钠中的一种;所使用磷源为磷酸;所用模板剂为四丙基氢氧化铵、四乙基氢氧化铵、四甲基氢氧化铵、三丙胺、三乙胺和吡咯烷中的一种;各组分按摩尔比计为:0.1-10 SiO2:0.01-20模板剂:0-10 Al2O3:0.1-200 H2O:0.4-40 CH3CH2OH:0-1.2 H3PO4;所用反应温度范围是50-250 ℃;所用反应时间为1-14天。
5.根据权利要求4所述的制备方法,其特征在于,步骤(2)中所述沸石分子筛前驱体为ZSM-5、Beta、ZSM-11、丝光沸石、A型沸石、八面沸石和AIPO4中的一种。
6.根据权利要求1-5之一所述的制备方法,其特征在于,步骤(3)中,所述的功能性结晶核和沸石前驱体的质量比为0.01-50;所述惰性气氛为氮气气氛,控制氮气流速为0.1-20毫升/分钟;焙烧时控制升温速率为0.1-20℃/分钟;焙烧温度为200-800℃,焙烧时间为1-48小时。
7. 根据权利要求6所述的制备方法,其特征在于,步骤(4)中所述沸石合成母液里,硅源为正硅酸四乙酯、硅酸、硅溶胶和硅酸钠中的一种;铝源为硝酸铝、氯化铝、铝粉和偏铝酸钠中的一种;磷源为磷酸;模板剂为四丙基氢氧化铵、四乙基氢氧化铵、四甲基氢氧化铵、三丙胺、三乙胺和吡咯烷中的一种;各组分按摩尔比计为:0.1-15 SiO2:0.03-20模板剂:0-15Al2O3:0.1-150 H2O:0.4-50 CH3CH2OH:0-1.5 H3PO4;所述水热晶化,温度100-250 ℃;时间为3-18天。
8. 根据权利要求7所述的制备方法,其特征在于,步骤(4)中所述在惰性气氛中进行高温焙烧除去模板剂,所述惰性气氛为氮气气氛,控制氮气流速为0.1-20 毫升/分钟,高温焙烧时,控制 0.1-20℃/分钟的升温速率,升温至200-800℃,焙烧时间为1-48小时。
9.由权利要求1-8之一所述制备方法得到的功能沸石分子筛材料。
10.如权利要求9所述的功能沸石分子筛材料作为催化剂在光热催化苯和苯甲醇的苄基化反应中的应用或在磁热催化苯和甲醇的烷基化反应中应用。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110711470.9A CN113371726A (zh) | 2021-06-25 | 2021-06-25 | 一种功能沸石分子筛材料及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110711470.9A CN113371726A (zh) | 2021-06-25 | 2021-06-25 | 一种功能沸石分子筛材料及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113371726A true CN113371726A (zh) | 2021-09-10 |
Family
ID=77579158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110711470.9A Pending CN113371726A (zh) | 2021-06-25 | 2021-06-25 | 一种功能沸石分子筛材料及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113371726A (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114538462A (zh) * | 2022-02-22 | 2022-05-27 | 复旦大学 | 一种mfi/mel复合分子筛及其制备方法和应用 |
CN114873819A (zh) * | 2022-05-27 | 2022-08-09 | 安徽理工大学环境友好材料与职业健康研究院(芜湖) | 一种多污染物污水磁处理系统 |
CN114920579A (zh) * | 2021-09-25 | 2022-08-19 | 深圳职业技术学院 | 沸石吸音材料及其制备方法和用途 |
CN116713031A (zh) * | 2023-04-18 | 2023-09-08 | 南京工业大学 | 一种可回收磁性热催化材料及制备方法与应用 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06170233A (ja) * | 1992-12-03 | 1994-06-21 | Catalysts & Chem Ind Co Ltd | 炭化水素流動接触分解用触媒組成物 |
CN101941716A (zh) * | 2010-07-07 | 2011-01-12 | 中国科学院广州能源研究所 | 一种高疏水性zsm-5分子筛膜的制备方法 |
CN105771934A (zh) * | 2016-05-06 | 2016-07-20 | 扬州大学 | 一种核壳结构的纳米磁性吸附剂的制备方法 |
CN106006669A (zh) * | 2016-04-22 | 2016-10-12 | 宁夏大学 | 一种超顺磁性纳米片层结构zsm-5分子筛及其合成方法 |
US20180346341A1 (en) * | 2016-02-01 | 2018-12-06 | Umicore Ag & Co. Kg | Method for the Direct Synthesis of Iron-Containing AEI-Zeolite Catalyst |
CN110668462A (zh) * | 2019-11-15 | 2020-01-10 | 林卿 | 一种快速合成纳米Fe3O4@NaY磁性复合材料的方法 |
CN110697791A (zh) * | 2019-11-15 | 2020-01-17 | 林卿 | 一种核壳结构Fe3O4@Beta磁性纳米复合材料的制备方法 |
-
2021
- 2021-06-25 CN CN202110711470.9A patent/CN113371726A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06170233A (ja) * | 1992-12-03 | 1994-06-21 | Catalysts & Chem Ind Co Ltd | 炭化水素流動接触分解用触媒組成物 |
CN101941716A (zh) * | 2010-07-07 | 2011-01-12 | 中国科学院广州能源研究所 | 一种高疏水性zsm-5分子筛膜的制备方法 |
US20180346341A1 (en) * | 2016-02-01 | 2018-12-06 | Umicore Ag & Co. Kg | Method for the Direct Synthesis of Iron-Containing AEI-Zeolite Catalyst |
CN106006669A (zh) * | 2016-04-22 | 2016-10-12 | 宁夏大学 | 一种超顺磁性纳米片层结构zsm-5分子筛及其合成方法 |
CN105771934A (zh) * | 2016-05-06 | 2016-07-20 | 扬州大学 | 一种核壳结构的纳米磁性吸附剂的制备方法 |
CN110668462A (zh) * | 2019-11-15 | 2020-01-10 | 林卿 | 一种快速合成纳米Fe3O4@NaY磁性复合材料的方法 |
CN110697791A (zh) * | 2019-11-15 | 2020-01-17 | 林卿 | 一种核壳结构Fe3O4@Beta磁性纳米复合材料的制备方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114920579A (zh) * | 2021-09-25 | 2022-08-19 | 深圳职业技术学院 | 沸石吸音材料及其制备方法和用途 |
CN114538462A (zh) * | 2022-02-22 | 2022-05-27 | 复旦大学 | 一种mfi/mel复合分子筛及其制备方法和应用 |
CN114873819A (zh) * | 2022-05-27 | 2022-08-09 | 安徽理工大学环境友好材料与职业健康研究院(芜湖) | 一种多污染物污水磁处理系统 |
CN116713031A (zh) * | 2023-04-18 | 2023-09-08 | 南京工业大学 | 一种可回收磁性热催化材料及制备方法与应用 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN113371726A (zh) | 一种功能沸石分子筛材料及其制备方法 | |
Masoumifard et al. | Synthesis of engineered zeolitic materials: from classical zeolites to hierarchical core–shell materials | |
RU2612697C2 (ru) | Способ, не использующий органический шаблон, для получения цеолитного материала, обладающего структурой типа сна | |
JP3526837B2 (ja) | 無機素材の製造方法およびその装置 | |
JP5689890B2 (ja) | ナノ結晶性zsm−5核を用いたzsm−5ゼオライトの製造方法 | |
CN113457718B (zh) | 一种磁性功能沸石分子筛催化剂及其制备方法 | |
CN110357121B (zh) | 一种小晶粒纳米多级孔ssz-13分子筛的制备方法 | |
CN103214006B (zh) | 一种核壳结构复合沸石的制备方法 | |
KR20150005538A (ko) | 베타형 제올라이트 및 그의 제조 방법 | |
CN109775714B (zh) | 一种含微量稀土离子的mfi拓扑学结构硅分子筛及其制备方法 | |
WO2011158218A1 (en) | Zeolitic materials of lev-type structure and methods for their production | |
Zhang et al. | Seed-assisted template-free synthesis of nano-sized ZSM-5 via two-stage crystallization with related investigation of mechanism | |
Yin et al. | Hydrothermal synthesis of hierarchical zeolite T aggregates using tetramethylammonium hydroxide as single template | |
EP1002764B1 (en) | Method for preparation of small zeotype crytals | |
WO2011158219A1 (en) | Alkali-free synthesis of zeolitic materials of lev-type structure | |
Nakazawa et al. | Novel technique to synthesize AFX-type zeolite using a bulky and rigid diquaternary ammonium cation | |
Yin et al. | A time-and cost-effective synthesis of CHA zeolite with small size using ultrasonic-assisted method | |
KR101451902B1 (ko) | 메조기공을 갖는 mre 구조의 제올라이트 또는 유사 mre 제올라이트 물질 및 그의 제조 방법 | |
CN113880110B (zh) | 一种纳米多级孔mor/mtw共晶分子筛及其制备方法和应用 | |
CN113083355B (zh) | 一种Fe-ZSM-5催化剂及其制备方法和用途 | |
WO2018218736A1 (zh) | 具有bog结构的硅铝沸石分子筛及其制备方法 | |
CN101389569A (zh) | 微孔结晶材料,沸石itq-37的制备方法和应用 | |
CN115175874A (zh) | 分子内π-堆叠结构导向剂及由其合成的分子筛 | |
CN111992244A (zh) | 新型甲醇制丙烯多级孔zsm-5分子筛催化剂及其制备方法 | |
CN114849765B (zh) | 一种分子筛催化剂的超快制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210910 |