NONLINEAR DYNAMICS OF FLOW-REACTION COUPLING IN POROUS MEDIA AND APPLICATION TO IN SITU LEACHING URANIUM MINING-Reference-Cited by-同舟云学术

NONLINEAR DYNAMICS OF FLOW-REACTION COUPLING IN POROUS MEDIA AND APPLICATION TO IN SITU LEACHING URANIUM MINING

Published:2004-07-30 Issue:17n19 Volume:18 Page:2663-2668
ISSN:0217-9792
Container-title:International Journal of Modern Physics B
language:en
Short-container-title:Int. J. Mod. Phys. B

Author:

TAN KAI-XUAN¹,WANG QING-LIANG¹,LIU ZE-HUA¹,HU E-MING¹

Affiliation:

1. School of Architecture, Resource and Environment Engineering, Nanhua University, Hengyang, Hunan 421001, China

Abstract

When a reactive fluid flows through a porous rock it can dissolve some minerals and increase the porosity and permeability. The positive feedback between fluid flow and mineral dissolution can lead to the complexity of the propagation of dissolution front and the formation of finger flow-focusing reaction area. As an example for in situ leaching Uranium mining, the simulation results indicate that the propagation of dissolution front is complex such as finger and more complicated reaction front morphologies. The nonlinearity of flow-reaction coupling and instability of dissolution front morphologies can lead to unleaching area and affect the rate of recovery of mineral resource.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217979204025877

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