Рt/SAPO-11 Catalytic Systems Differing in Acidity and Secondary Pore Structure in n-Hexadecane Hydroisomerization

• Published in: Petroleum chemistry Vol. 63; no. 9; pp. 1087 - 1096
• Main Authors: Agliullin, M. R., Serebrennikov, D. V., Khazipova, A. N., Malunov, A. I., Dement’ev, K. I., Kutepov, B. I.
• Format: Journal Article
• Language: English
• Published: Moscow Pleiades Publishing 01-11-2023; Springer Nature B.V
• Subjects: Aluminum oxide; Boehmite; Chemistry; Chemistry and Materials Science; Crystallization; Gels; Hexadecane; Industrial Chemistry/Chemical Engineering; Molecular sieves; Molecular structure; Silicon dioxide; paraffin hydroisomerization; bifunctional catalysts; silicoaluminophosphate molecular sieves; zeolites
• ISSN: 0965-5441; 1555-6239
• DOI: 10.1134/S096554412308008X

SAPO-11 molecular sieve samples differing in the acid properties, crystal morphology and size, and secondary pore structure characteristics were obtained by crystallization of reaction gels with the SiO
2
/Al
2
O
3
molar ratios of 0.1 and 0.3, prepared using aluminum isopropoxide or boehmite as an aluminum source. Platinum (0.5 wt %) was deposited onto the molecular sieves prepared, and the catalytic properties of the resulting samples in
n
-hexadecane hydroisomerization were studied. The hydrocarbon conversion on these samples varies from 76.8 to 87.7 wt %, and the isoparaffin formation selectivity, from 76.7 to 91.2 wt %.