Aluminium oxide-hydroxides obtained by hydrothermal synthesis: Influence of thermal treatment on phase composition and textural characteristics

Abstract

Aluminium oxide-hydroxides obtained by means of the hydrothermal synthesis of aluminium nanopowder are of great interest in terms of the potential supports for heterogeneous catalysts due its high specific surface area (200...300 m²/g) and pore size of 4...17 nm. In this work the influence of thermal treatment (150...1300 °C) on structural and phase composition, specific surface area and porosity of aluminium oxide-hydroxides has been investigated. Nanostructured γ-Al₂O₃ (T=400 °C) was found to have the specific surface area of 328 m²/g and average pore size of ∼9 nm. The thermal treatment of aluminium oxide- hydroxides at the temperature of higher and lower than 400 °C has caused the reduction of specific surface area and overall pore volume.

Original language	English
Title of host publication	IOP Conference Series: Materials Science and Engineering
Publisher	Institute of Physics Publishing
Volume	98
Edition	1
DOIs	https://doi.org/10.1088/1757-899X/98/1/012032
Publication status	Published - 3 Nov 2015
Event	3rd International Youth Conference on Interdisciplinary Problems of Nanotechnology, Biomedicine and Nanotoxicology, Nanobiotech 2015 - Tambov, Russian Federation Duration: 21 May 2015 → 22 May 2015

Other

Other	3rd International Youth Conference on Interdisciplinary Problems of Nanotechnology, Biomedicine and Nanotoxicology, Nanobiotech 2015
Country	Russian Federation
City	Tambov
Period	21.5.15 → 22.5.15

ASJC Scopus subject areas

Engineering(all)
Materials Science(all)

Access to Document

10.1088/1757-899X/98/1/012032

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Zykova, A. P., Livanova, A., Kosova, N., Godymchuk, A., & Mamontov, G. (2015). Aluminium oxide-hydroxides obtained by hydrothermal synthesis: Influence of thermal treatment on phase composition and textural characteristics. In IOP Conference Series: Materials Science and Engineering (1 ed., Vol. 98). [012032] Institute of Physics Publishing. https://doi.org/10.1088/1757-899X/98/1/012032

Aluminium oxide-hydroxides obtained by hydrothermal synthesis : Influence of thermal treatment on phase composition and textural characteristics. / Zykova, Anna Petrovna; Livanova, A.; Kosova, N.; Godymchuk, A.; Mamontov, G.

IOP Conference Series: Materials Science and Engineering. Vol. 98 1. ed. Institute of Physics Publishing, 2015. 012032.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Zykova, AP, Livanova, A, Kosova, N, Godymchuk, A & Mamontov, G 2015, Aluminium oxide-hydroxides obtained by hydrothermal synthesis: Influence of thermal treatment on phase composition and textural characteristics. in IOP Conference Series: Materials Science and Engineering. 1 edn, vol. 98, 012032, Institute of Physics Publishing, 3rd International Youth Conference on Interdisciplinary Problems of Nanotechnology, Biomedicine and Nanotoxicology, Nanobiotech 2015, Tambov, Russian Federation, 21.5.15. https://doi.org/10.1088/1757-899X/98/1/012032

Zykova AP, Livanova A, Kosova N, Godymchuk A, Mamontov G. Aluminium oxide-hydroxides obtained by hydrothermal synthesis: Influence of thermal treatment on phase composition and textural characteristics. In IOP Conference Series: Materials Science and Engineering. 1 ed. Vol. 98. Institute of Physics Publishing. 2015. 012032 https://doi.org/10.1088/1757-899X/98/1/012032

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abstract = "Aluminium oxide-hydroxides obtained by means of the hydrothermal synthesis of aluminium nanopowder are of great interest in terms of the potential supports for heterogeneous catalysts due its high specific surface area (200...300 m2/g) and pore size of 4...17 nm. In this work the influence of thermal treatment (150...1300 °C) on structural and phase composition, specific surface area and porosity of aluminium oxide-hydroxides has been investigated. Nanostructured γ-Al2O3 (T=400 °C) was found to have the specific surface area of 328 m2/g and average pore size of ∼9 nm. The thermal treatment of aluminium oxide- hydroxides at the temperature of higher and lower than 400 °C has caused the reduction of specific surface area and overall pore volume.",

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AB - Aluminium oxide-hydroxides obtained by means of the hydrothermal synthesis of aluminium nanopowder are of great interest in terms of the potential supports for heterogeneous catalysts due its high specific surface area (200...300 m2/g) and pore size of 4...17 nm. In this work the influence of thermal treatment (150...1300 °C) on structural and phase composition, specific surface area and porosity of aluminium oxide-hydroxides has been investigated. Nanostructured γ-Al2O3 (T=400 °C) was found to have the specific surface area of 328 m2/g and average pore size of ∼9 nm. The thermal treatment of aluminium oxide- hydroxides at the temperature of higher and lower than 400 °C has caused the reduction of specific surface area and overall pore volume.

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