Minerals & Metallurgical Processing
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Open-Pit Mine Optimization with Maximum Satisfiability
Minerals & Metallurgical Processing - Tập 36 - Trang 757-764 - 2019
A common casualty of modern open-pit mine optimization is the assurance that the resulting design is actually achievable. Optimized mine plans that consider value and a bare minimum of precedence constraints do not, in general, translate into practical, operational mine designs that can be used in the field. Ultimate pits may come to a sharp point at the bottom. Schedules may require taking small ......
Equilibrium analysis of carbon dioxide absorption in alkali solutions
Minerals & Metallurgical Processing - Tập 29 Số 2 - Trang 131-132 - 2012
Performance analysis of CMC in high talc copper sulfide flotation systems
Minerals & Metallurgical Processing - - 2017
Corrosive and Erosive Wear in Magnetic Taconite Grinding
Minerals & Metallurgical Processing - Tập 1 - Trang 10-14 - 1984
The relative significance of corrosive and erosive wear in magnetic taconite grinding is examined. The influence of different types of aeration (nitrogen, air, and oxygen) on hall wear was established for mild steel and high carbon low alloy steel balls. Ball wear data from dry and wet grinding tests are compared with those obtained in the presence of an organic solvent that does not promote elect......
Influence of feed particle size on upgrading selectivity of scavenger stage of industrial copper ore flotation
Minerals & Metallurgical Processing - Tập 32 - Trang 215-221 - 2015
The copper sulfide ore from the Legnica-Glogow Copper Basin in Poland, which is processed by KGHM Polska Miedz S.A., consists of three lithological fractions: dolomitic, sandstone and shale. The copper ore, depending on the mining area, contains all fractions in different ratios. The lithological fractions differ in the particle-size distributions of their useful minerals. In the dolomitic part of......
Quartz-feldspar separation for the glass and ceramics industries
Minerals & Metallurgical Processing - - 2007
Results of an Opioid Hazard Awareness Training Intervention for Stone, Sand, and Gravel Miners
Minerals & Metallurgical Processing - - 2021
In the USA, miners are at higher risk for work-related disorders that could precipitate an opioid prescription, injury-related opioid prescriptions, and opioid overdose. We aimed to support prevention of these outcomes with an “opioid hazard awareness” miner safety training module. In January and February 2020, the training module was embedded within required mining safety and health training for ......
Effect of morphology on breakage and liberation characteristics of minerals and coal
Minerals & Metallurgical Processing - Tập 31 - Trang 186-192 - 2014
Ore morphology plays a vital role during the milling and liberation of minerals. This study was carried out to understand the role of mineral crystallography and mineral interfaces on the milling and liberation processes. Data related to mineral crystallography, Vickers Hardness Number and beneficiation processes were collected from literature, and detailed statistical analysis was conducted to re......
Bulking Based Porosity Method to Predict Floodable Volume of Longwall Gob
Minerals & Metallurgical Processing - Tập 38 - Trang 1845-1859 - 2021
The floodable volume of longwall gob can be of great importance in developing accurate coal mine operation plans, particularly for mine water management and environmental control strategies. Given the inaccessibility and difficulty in direct measurement of gob characteristics following gob recompression, hydrologic, geomechanical, and spatial data and principles were used to solve for the porosity......
A Risk Analysis Method for Estimation of Financial Benefits of the Existing Mine Ventilation System
Minerals & Metallurgical Processing - Tập 37 - Trang 1137-1149 - 2020
A case study was conducted on a metal mine operating in Kazakhstan, in which problems were associated with use of a complicated and outdated ventilation system and its high expenses. The mine needs to reconsider its existing ventilation system and identify the risks associated with operational losses when using this ventilation system. The aim of this study was to develop an efficient risk analysi......
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