Journal of Inorganic Materials, Volume. 34, Issue 2, 179(2019)
Acetic Acid Leaching on the Structure, Acidity and Performance of HMOR Catalyst
Figures & Tables(10)
. XRD patterns of HMOR zeolites treated with different concentrations of acetic acid
. 27Al-NMR spectra of HMOR zeolites treated with different concentrations of acetic acid
. Acidity properties of HMOR zeolites treated with different concentrations of acetic acid
(a) NH3-TPD; (b) FT-IR
(a) NH3-TPD; (b) FT-IR
. N2 adsorption-desorption isotherms and pore diameter distribution of HMOR zeolites treated with different concentrations of acetic acid
. H-K cumulative pore volume of HMOR zeolites treated with different concentrations of acetic acid
. H-K differential pore volume of HMOR zeolites treated with different concentrations of acetic acid
. Inactivation curves of HMOR zeolites treated with different concentrations of acetic acid
Table 1. Relative crystallinity and Si/Al of HMOR zeolites treated with different concentrations of acetic acid
View tableView in ArticleTable 1. Relative crystallinity and Si/Al of HMOR zeolites treated with different concentrations of acetic acid
Sample AC00 AC01 AC02 AC03 n(Si)/n(Al) 10.2 12.3 13.6 15.2 Crystallinity/% 100 99 97 95
Table 2. Properties of B acid sites in different channels of HMOR zeolites treated with different concentrations of acetic acid
View tableView in ArticleTable 2. Properties of B acid sites in different channels of HMOR zeolites treated with different concentrations of acetic acid
Sample Bframework
/(μmol•g-1)B12-MR
/(μmol•g-1)B8-MR
/(μmol•g-1)AC00 898.1 436.3 461.8 AC01 780.2 322.5 457.7 AC02 668.8 225.3 443.5 AC03 591.6 170.4 421.2
Table 3. Textural and structural properties of HMOR zeolites treated with different concentration of acetic acid
View tableView in ArticleTable 3. Textural and structural properties of HMOR zeolites treated with different concentration of acetic acid
Samples AC00 AC01 AC02 AC03 SBET/(m2•g-1) 477 476 455 449 Smic/(m2•g-1) 422 416 386 387 Sext/(m2•g-1) 55 60 69 62 Vtotal /(cm3•g-1) 0.28 0.28 0.28 0.27 Vmicro/(cm3•g-1) 0.18 0.18 0.19 0.19 Median pore diameter/nm 0.59 0.60 0.61 0.62 Micropore distribution /(cm3•g-1) <0.6/nm 0.066 0.071 0.076 0.081 0.6-0.7/nm 0.029 0.027 0.021 0.020 0.7-1.2/nm 0.032 0.037 0.043 0.044
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Hai-Bo HAN, You-He WANG, Kang LI, Jie LEI, Dan-He LIU, Zi-Feng YAN, [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Acetic Acid Leaching on the Structure, Acidity and Performance of HMOR Catalyst[J]. Journal of Inorganic Materials, 2019, 34(2): 179
Paper Information
Category: Research Articles
Received: May. 11, 2018
Accepted: --
Published Online: Sep. 24, 2021
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