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Crystallization of AlPO-11 Aluminophosphate Molecular Sieves Using Secondary Amines
https://orcid.org/http://orcid.org/0000-0002-2210-9520
https://orcid.org/http://orcid.org/0000-0001-9137-7265
https://orcid.org/https://orcid.org/0000-0002-5787-3393
https://orcid.org/https://orcid.org/0000-0003-1844-0402
https://orcid.org/https://orcid.org/0000-0001-7084-1604
https://orcid.org/https://orcid.org/0000-0002-6928-5070
The study investigated the effects of the concentration of secondary amines with various molecular weights (specifically, diethylamine, di-n-propylamine, diisopropylamine, and di-n-butylamine), which were used as templates, on the crystallization performance of AlPO4-11 molecular sieves. For this purpose, various analytical methods such as XRD, SEM, and N2 adsorption/desorption were employed. The template concentration (more specifically, the template/Al2O3 ratio) was shown to have a major effect on the phase composition of the crystallization products. However, for each template under study, a high-phase-purity AlPO4-11 could be synthesized only within a narrow range of template/Al2O3 ratios. The study demonstrated the effects of template type on the morphology and dispersion of AlPO4-11 molecular sieves.
Crystallization of AlPO-11 Aluminophosphate Molecular Sieves Using Secondary Amines
https://orcid.org/http://orcid.org/0000-0002-2210-9520
https://orcid.org/http://orcid.org/0000-0001-9137-7265
https://orcid.org/https://orcid.org/0000-0002-5787-3393
https://orcid.org/https://orcid.org/0000-0003-1844-0402
https://orcid.org/https://orcid.org/0000-0001-7084-1604
https://orcid.org/https://orcid.org/0000-0002-6928-5070
The study investigated the effects of the concentration of secondary amines with various molecular weights (specifically, diethylamine, di-n-propylamine, diisopropylamine, and di-n-butylamine), which were used as templates, on the crystallization performance of AlPO4-11 molecular sieves. For this purpose, various analytical methods such as XRD, SEM, and N2 adsorption/desorption were employed. The template concentration (more specifically, the template/Al2O3 ratio) was shown to have a major effect on the phase composition of the crystallization products. However, for each template under study, a high-phase-purity AlPO4-11 could be synthesized only within a narrow range of template/Al2O3 ratios. The study demonstrated the effects of template type on the morphology and dispersion of AlPO4-11 molecular sieves.
Crystallization of AlPO-11 Aluminophosphate Molecular Sieves Using Secondary Amines
https://orcid.org/http://orcid.org/0000-0002-2210-9520
https://orcid.org/http://orcid.org/0000-0001-9137-7265
https://orcid.org/https://orcid.org/0000-0002-5787-3393
https://orcid.org/https://orcid.org/0000-0003-1844-0402
https://orcid.org/https://orcid.org/0000-0001-7084-1604
https://orcid.org/https://orcid.org/0000-0002-6928-5070
The study investigated the effects of the concentration of secondary amines with various molecular weights (specifically, diethylamine, di-n-propylamine, diisopropylamine, and di-n-butylamine), which were used as templates, on the crystallization performance of AlPO4-11 molecular sieves. For this purpose, various analytical methods such as XRD, SEM, and N2 adsorption/desorption were employed. The template concentration (more specifically, the template/Al2O3 ratio) was shown to have a major effect on the phase composition of the crystallization products. However, for each template under study, a high-phase-purity AlPO4-11 could be synthesized only within a narrow range of template/Al2O3 ratios. The study demonstrated the effects of template type on the morphology and dispersion of AlPO4-11 molecular sieves.
Crystallization of AlPO-11 Aluminophosphate Molecular Sieves Using Secondary Amines
Pet. Chem.
Agliullin, M. R. (author) / Yakovenko, R. E. (author) / Saliev, A. N. (author) / Zabirov, A. R. (author) / Pavlova, I. N. (author) / Sabirov, D. Sh. (author)
Petroleum Chemistry ; 62 ; 827-834
2022-08-01
8 pages
Article (Journal)
Electronic Resource
English
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