Journal
PROCESSES
Volume 9, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/pr9101811
Keywords
heavy oil; asphaltenes; amorphous alumina; amorphous aluminum hydroxide; amorphous aluminum gel
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Funding
- Ministry of Science and Higher Education of the Russian Federation [075-15-2020-931]
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Amorphous aluminum compounds are widely used in petrochemistry and oil refining due to their various modifications. However, the study of these compounds is hindered by the ambiguity of terminology and the complexity of their synthesis. In petroleum refining, amorphous compounds without impurities show promising catalytic performance.
Aluminum oxides and hydroxides are widely applied because of the great variety of their modifications. In particular, aluminum oxides and hydroxides are used in petrochemistry and oil refining. However, amorphous aluminum compounds have not been sufficiently studied due to the complexity of their synthesis and the problems encountered during their study. The study of amorphous aluminum compounds is hindered by the ambiguity of terminology. In this work, the structures of amorphous aluminum compounds prepared by different methods and the properties that determine their applications have been highlighted in detail. Amorphous aluminum compounds play both positive and negative roles in petrochemistry; however, in petroleum refining, amorphous compounds (without promoters and transition metal salts) demonstrate a promising catalytic performance in oil upgrading.
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