№60-07
Methodological base of recourse-saving technology evaluation at the surface mining of flooded titanium zirconium deposits
O. Lozhnikov1
1Dnipro University of Technology, Dnipro, Ukraine
Coll.res.pap.nat.min.univ. 2020, 60:69-80
https://doi.org/10.33271/crpnmu/60.069
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ABSTRACT
Purpose. Development of methodological principles for evaluation the technological chart effectiveness at the development flooded titanium-zirconium deposits, taking into account economic, technological and environmental factors.
Research methodology. The analytical research method used for analyze factors affecting on selection the effectiveness evaluating criteria of technological schemes at the developing flooded titanium-zirconium deposits. The method of technical and economic analysis used for recommendations development at the choosing assessing economic criteria for various technological charts that can be used in surface mining of flooded deposits.
The results. The main 16 criteria have been established, which are taken into account to varying degrees when choosing a technological scheme for the mining of flooded titanium-zirconium deposits. An expert assessment was performed on the ranking and establishment of each criteria importance. It has been established that to evaluate 16 criteria according the consistency coefficient (Kendall concordance coefficient), it is advisable to involve 4 experts in the field of flooded titanium-zirconium deposits development.
Scientific novelty. For the first time, a methodology has been proposed for determining the optimal technological chart of flooded titanium-zirconium deposits development by establishing the normalized importance of assessing the main 16 criteria that affect on the choice of technological chart, which include: economic, technological and organizational components. At the same time it is proposed to evaluate the economic indicators of each chart by determining the percentage difference between the indicators of the best chart with other technological charts.
Practical value. The methodological basis for evaluating the effectiveness of resource-saving technologies that can be used at the development of flooded titanium-zirconium mineral deposits has been developed.
Keywords: surface mining, evaluation methodology, pit, flooded deposits, assessment criteria, expert, technological scheme, normalized importance, ranking
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