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Numerical Solution of Rare Metal Leaching Problem
Author(s) -
Oleg V. Galtsev,
Oksana A. Galtseva,
Vladimir A. Belenko,
Alexander V. Mamatov,
Alexander N. Nemtsev,
Vadim V. Mishunin
Publication year - 2018
Publication title -
international journal of engineering and technology
Language(s) - English
Resource type - Journals
ISSN - 2227-524X
DOI - 10.14419/ijet.v7i4.36.22703
Subject(s) - reagent , conservation of mass , leaching (pedology) , boundary value problem , nickel , conservation law , liquid metal , materials science , mechanics , chemistry , mathematics , metallurgy , mathematical analysis , physics , geology , soil science , soil water
 It is well known that a lot of chemical and physical processes take place on the surfaces of interaction between solid and liquid substances. These processes include a very important technological process of uranium, nickel, copper, precious metal and other solid compound extraction - in-situ leaching. In this article we will rely on the mathematical description of these complex systems proposed by A.M. Meirmanov, where the main idea is the presence of new conditions on a free (unknown) boundary between liquid and solid phases (“pore space - solid skeleton”). These conditions express the usual laws of mass conservation of mass and the development of the mathematical model describing the processes at the macroscopic level. The method proposed in the book allows us to study numerically the dependence ways of free boundary dynamics on a heterogeneous solution distribution velocity and external parameters (reagent temperature, pressure and concentration).

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