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2024 | OriginalPaper | Chapter

Comparative Economic Efficiency of Processing High-Potassium Aluminosilicate Raw Materials into Alumina and Related Products

Authors : R. A. Seitenov, V. A. Lipin, S. N. Akhmedov, V. V. Medvedev

Published in: Light Metals 2024

Publisher: Springer Nature Switzerland

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Abstract

In contrast to the sintering method for processing high-potassium aluminosilicate raw materials, the product range for the hydro-garnet method, in addition to aluminium hydroxide and potassium sulfate, also includes mono-calcium silicate. There are also no solid industrial waste products. Following a detailed technical and economic analysis of both processes, it is concluded that capital costs for the construction of production facilities and annual production costs in the case of the hydro-garnet method are much lower than with the sintering method. Key investment indicators such as Earnings Before Interest, Taxes, Depreciation, Amortization (EBITDA), Earnings Before Interest And Taxes (EBIT), Internal Rate of Return (IRR), Net Present Value (NPV), and Profitability Index (PI) are better in the case of the hydro-chemical technology than for the sintering method. This makes it possible to obtain a payback period for capital investments that is almost 1.7 times lower than in the case of using the sintering method. Taking into account that with the sintering method, direct emissions of carbon dioxide into the atmosphere are almost twice as high as with the hydro-garnet method, it is concluded that the sintering method for processing high-potassium aluminosilicate raw materials is economically less profitable and has more environmental hazards associated with it.

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Title: Comparative Economic Efficiency of Processing High-Potassium Aluminosilicate Raw Materials into Alumina and Related Products
Authors: R. A. Seitenov
V. A. Lipin
S. N. Akhmedov
V. V. Medvedev
Publisher: Springer Nature Switzerland
Book: Light Metals 2024
Print ISBN: 978-3-031-50307-8

Electronic ISBN: 978-3-031-50308-5

Copyright Year: 2024
DOI: https://doi.org/10.1007/978-3-031-50308-5_10

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