Yan-Ze DU, Xiao-Na YANG, Wei-Wei NING, Qing-Lan KONG, Bo QIN, Jia-Jun ZHENG, Wen-Lin LI, Rui-Feng LI, [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Sphere-like Hierarchical Y Zeolite Fabricated by Steam-assisted Conversion Method[J]. Journal of Inorganic Materials, 2019, 34(2): 225
- Journal of Inorganic Materials
- Vol. 34, Issue 2, 225 (2019)
. Schematic representation of the process for the formation of the sphere-like hierarchical Y zeolite composed of the loosely aggregating nanocrystallites
. XRD patterns of the samples
. SEM images of the as-synthesized YS-x samples
(a, b) YP-5.18; (c, d) YS-4.14; (e, f) YS-5.18; (g, h) YS-6.21; (i, j) YS-7.25; (k, l) YS-8.28
(a, b) YP-5.18; (c, d) YS-4.14; (e, f) YS-5.18; (g, h) YS-6.21; (i, j) YS-7.25; (k, l) YS-8.28
. SEM images of the as-synthesized Y zeolite yielding from the gel precursor with different Si/Al ratio
(a-d) YS-8.28; (e-g) YS-6.21; (h) YS-5.18; (i) YH-5.18
(a-d) YS-8.28; (e-g) YS-6.21; (h) YS-5.18; (i) YH-5.18
. TEM image of YS-5.18 (a), TEM image (b) and the corresponding reversed-phase TEM image (c)
. FT-IR spectra of the samples
(a) YS-x (solid curves) and the corresponding dried gel precursors YP-x (dotted curves); (b) YS-5.18 and YP-5.18
(a) YS-
. SEM images and EDS analysis of the as-synthesized Y zeolite yielding from gel precursor with different Si/Al ratio
(a) YS-4.14; (b) YS-5.18; (c) YS-6.21; (d) YS-7.25
(a) YS-4.14; (b) YS-5.18; (c) YS-6.21; (d) YS-7.25
. 29Si MAS NMR spectra
(a) YS-5.18; (b) YP-5.18
(a) YS-5.18; (b) YP-5.18
. N2 adsorption-desorption isotherms (a) and pore size distribution curves (b)
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Table 1. Quantification by 29Si MAS NMR for sample YS-5.18 and the corresponding dried gel precursor YP-5.18
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Table 2. Physical structural properties of the samples
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