CN114715913A - 一种zsm-23分子筛及其制备方法和应用 - Google Patents
一种zsm-23分子筛及其制备方法和应用 Download PDFInfo
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- CN114715913A CN114715913A CN202210011767.9A CN202210011767A CN114715913A CN 114715913 A CN114715913 A CN 114715913A CN 202210011767 A CN202210011767 A CN 202210011767A CN 114715913 A CN114715913 A CN 114715913A
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- molecular sieve
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- silicon source
- alkali
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- 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 120
- 239000002808 molecular sieve Substances 0.000 title claims abstract description 119
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 81
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 81
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 81
- 239000010703 silicon Substances 0.000 claims abstract description 81
- 239000011148 porous material Substances 0.000 claims abstract description 55
- 239000003513 alkali Substances 0.000 claims abstract description 44
- 229910021486 amorphous silicon dioxide Inorganic materials 0.000 claims abstract description 16
- 238000010335 hydrothermal treatment Methods 0.000 claims abstract description 16
- 230000014759 maintenance of location Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 68
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 57
- 238000001035 drying Methods 0.000 claims description 35
- 239000000377 silicon dioxide Substances 0.000 claims description 26
- 239000008367 deionised water Substances 0.000 claims description 25
- 229910021641 deionized water Inorganic materials 0.000 claims description 25
- 238000001914 filtration Methods 0.000 claims description 25
- 239000000243 solution Substances 0.000 claims description 25
- 229910052681 coesite Inorganic materials 0.000 claims description 24
- 229910052906 cristobalite Inorganic materials 0.000 claims description 24
- 229910052682 stishovite Inorganic materials 0.000 claims description 24
- 229910052905 tridymite Inorganic materials 0.000 claims description 24
- 238000005406 washing Methods 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 22
- 229910052782 aluminium Inorganic materials 0.000 claims description 19
- 239000004094 surface-active agent Substances 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 235000019353 potassium silicate Nutrition 0.000 claims description 14
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 13
- VBIIFPGSPJYLRR-UHFFFAOYSA-M Stearyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)C VBIIFPGSPJYLRR-UHFFFAOYSA-M 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 4
- 239000012670 alkaline solution Substances 0.000 claims description 4
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 4
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 4
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 claims description 3
- SZEMGTQCPRNXEG-UHFFFAOYSA-M trimethyl(octadecyl)azanium;bromide Chemical compound [Br-].CCCCCCCCCCCCCCCCCC[N+](C)(C)C SZEMGTQCPRNXEG-UHFFFAOYSA-M 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 31
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 15
- 239000007788 liquid Substances 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 13
- 238000009826 distribution Methods 0.000 description 11
- 238000006317 isomerization reaction Methods 0.000 description 11
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 10
- 239000002131 composite material Substances 0.000 description 10
- 239000006185 dispersion Substances 0.000 description 9
- 238000001179 sorption measurement Methods 0.000 description 9
- 238000001228 spectrum Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 150000001335 aliphatic alkanes Chemical class 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 235000019698 starch Nutrition 0.000 description 3
- 239000008107 starch Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
比表面积,m<sup>2</sup>/g | 微孔表面积,m<sup>2</sup>/g | 介孔表面积,m<sup>2</sup>/g | 孔容,cm<sup>3</sup>/g | 孔径为3-8nm的介孔含量,% | 相对结度,% | 水热后相对结晶度,% | 相对结晶度保持度,%<sup>d</sup> | |
实施例1 | 395 | 105 | 290 | 0.42 | 77 | 102 | 103 | 100 |
实施例2 | 387 | 99 | 288 | 0.41 | 56 | 104 | 102 | 98 |
实施例3 | 398 | 107 | 291 | 0.45 | 80 | 114 | 110 | 96 |
实施例4 | 378 | 101 | 277 | 0.38 | 60 | 100 | 99 | 99 |
实施例5 | 384 | 91 | 293 | 0.40 | 69 | 113 | 108 | 96 |
实施例6 | 401 | 114 | 287 | 0.45 | 84 | 105 | 106 | 100 |
对比例1 | 289 | 126 | 163 | 0.28 | 31 | 103 | 74 | 72 |
对比例2 | 69 | 61 | 8 | 0.03 | -<sup>a</sup> | -<sup>a</sup> | -<sup>a</sup> | -<sup>a</sup> |
对比例3 | 232 | 167 | 65 | 0.24 | -<sup>b</sup> | -<sup>b</sup> | -<sup>b</sup> | -<sup>b</sup> |
对比例4 | 108 | 84 | 24 | 0.09 | -<sup>c</sup> | -<sup>c</sup> | -<sup>c</sup> | -<sup>c</sup> |
对比例5 | 228 | 188 | 40 | 0.24 | 18 | 100 | 101 | 100 |
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