SCM-33 molecular sieve, preparation method therefor and application thereof
AssigneesChina Petroleum & Chemical Corporation, Shanghai Research Institute of Petrochemical Technology, Sinopec
InventorsWeimin Yang, Wenhua Fu, Zhendong Wang, Zhiqing Yuan, Jiawei Teng, Jian Qiao, Weichuan Tao
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Abstract
A SCM-33 molecular sieve has a schematic chemical composition as shown in the formula “SiO2·1/x XO1.5·m MO0.5”, wherein X is a framework trivalent element, the Si/X molar ratio x is ≥5, M is a framework equilibrium cation, and the M/Si molar ratio is 0<m≤1. The molecular sieve is a novel molecular sieve with RTE topology and the molecular sieve requires short preparation time, involves a low synthesis cost and can be used as adsorbent or catalyst.
Claims20
A SCM-33 molecular sieve, wherein the SCM-33 molecular sieve has a chemical composition of formula SiO2·1/x XO1.5·m MO0.5,
- wherein X is a framework trivalent element, the Si/X molar ratio x is ≥5, M is a framework equilibrium cation, and the M/Si molar ratio is 0<m≤1;
- and
- the SCM-33 molecular sieve has an X-ray diffraction pattern shown in the following table:
- 2θ (°)
- d-spacing (Å)
- relative intensity, (I/I0) × 100
- 9.20 ± 0.3
- 9.61 ± 0.40
- s-vs
- 14.17 ± 0.3
- 6.24 ± 0.30
- s-vs
- 17.88 ± 0.3
- 4.96 ± 0.20
- m-s
- 19.63 ± 0.3
- 4.52 ± 0.15
- m-s
- 20.65 ± 0.1
- 4.30 ± 0.10
- vs
- 21.72 ± 0.3
- 4.09 ± 0.10
- m-s.
Dependencies are inferred from the claim text.