Abstract
This research was partially supported by (ASRT http://www.asrt.sci.eg/ Academy of Scientific Research and Technology – Egypt). We thank our colleagues from Mining and Petroleum Engineering Department, Faculty of Engineering (Al-Azhar University, Egypt) who provided insight and expertise that greatly assisted the research.
Highlights
MethodsThis paper presents an application of Linear programming (LP) method to determine the optimum quantities of phosphate ore needed per each mine for blending process
Phosphate is a non-detrital sedimentary rock which contains high amounts of phosphate bearing minerals, where considering the phosphorite rock comprises only 15 – 20% of phosphate
The demonstrated Linear programming (LP) allows exploiting all quantities of phosphate ore from the three mines
Summary
This paper presents an application of Linear programming (LP) method to determine the optimum quantities of phosphate ore needed per each mine for blending process. The suitable height of benches was found according to the efficiency of work place ranged from 12 m to 30 m. Sub benches were divided to keep the assays of the phosphate ores from dilution and the result is that the height of sub bench for overburden ranged from 7 m to 11 m, for the third layer from 0.2 m to 0.3 m, for the upper layer from 0.4 m to 0.6 m and for the lower layer from 0.3 m to 1 m. Applied linear programming in mining as regard mining operations to obtain the optimum solution in mining sites
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