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Optimization of Mining Methods for Deep Orebody of Large Phosphate Mines by Di Hou; Mengchao Xu; Xiaoshuang Li; Jiawen Wang; Menglai Wang; Shujian Li is a Engineering article available to read on EtoBox.

What is Optimization of Mining Methods for Deep Orebody of Large Phosphate Mines about?

Introduction: Taking Yunnan Phosphate Group Co., Ltd. Kunyang Phosphate Mine No. 2 as the engineering background, this study aims to explore mining methods for deep ore bodies in phosphorus mines. Three mining schemes, namely open-pit mining, open-pit deep concave mining, and underground mining, were carefully selected for optimization. This article thoroughly analyzes the three schemes from various perspectives, including technical, economic, safety, and other aspects. Methods: The assessment of these aspects was conducted using the entropy weighted TOPSIS method. The technical aspects focused on evaluating the mining methods employed in each scheme. The economic aspects considered factors such as initial investment, resource recovery rate, phosphate content, production scale, infrastructure, and mining costs. Safety aspects took into account transportation safety and production safety. Additionally, the analysis considered environmental impact as one of the key factors. In total, 10 indicators were quantified to provide a comprehensive evaluation. To assess the schemes, the positive and negative ideal distances (D~i~^+^, D~i~^−^) and the relative proximity (C~i~) for open-pit min

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Author

Di Hou; Mengchao Xu; Xiaoshuang Li; Jiawen Wang; Menglai Wang; Shujian Li

Publisher

Frontiers Media SA

Published

2023

Field

Engineering (Physical Sciences)