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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Fizika / Physics (N002)
Author(s): Urbonavičius, Marius;Varnagiris, Šarūnas;Pranevičius, Liudas;Milčius, Darius
Title: Production of gamma alumina using plasma-treated aluminum and water reaction byproducts
Is part of: Materials. Basel: MDPI AG, 2020, vol. 13, iss. 6
Extent: p. 1-12
Date: 2020
Note: art. no: 1300
Keywords: Gamma alumina;Boehmite;Surface area;Aluminum/water reaction;Hydrogen production
Abstract: High purity hydrogen and solid-state byproducts are produced using a proposed plasma-activated aluminum and water reactions approach. These byproducts could be transformed into pure gamma Al2O3 powder material, while hydrogen can be used for electricity generation. Various chemical methods can be used for the synthesis of gamma alumina, but most could result in high levels of remaining impurities. Boehmite is a cost-e ective starting material for the production of high-purity Al2O3. Herein, we present a novel method for the synthesis of boehmite and its transformation into high-specific-surface-area -alumina. Specifically, this method implicates the direct reaction between distilled water and plasma-treated aluminum powder. The results show the structural and morphological changes of the byproduct of the aluminum/water reaction to boehmite and -Al2O3 after a simple heating procedure (at 280 and 500 C respectively). The high-purity hydrogen produced during the aluminum/water reaction can be used for the high-e ciency and environmentally friendly production of electrical energy
Affiliation(s): Fizikos katedra
Lietuvos energetikos institutas
Vytauto Didžiojo universitetas
Appears in Collections:1. Straipsniai / Articles
Universiteto mokslo publikacijos / University Research Publications

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