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Advances on the fragmentation-energy fan concept and the swebrec function in modeling drop weight testing
(MDPI, 2021)The breakage index equation (BIE), or t10 model from drop weight testing (DWT) data for rocks and ores is used in the design of crushers and mills. Such models are becoming increasingly difficult to visualize as the number ... -
Analysis of grinding media effect on specific breakage rate function of particles in a full-scale open circuit three-compartment cement ball mill
(Pergamon-Elsevier Science Ltd, 2015)A full-scale three-compartment FLSmidth (R) cement grinding ball mill with dimensions of empty set3.5 x L10 operating in open circuit was sampled to analyse the grinding media effect on specific breakage rate function of ... -
Chemical injection to prevent building damage induced by ground water drainage from shallow tunnels
(Pergamon-Elsevier Science Ltd, 2009)Progressive developments in the application of chemical injection have been acquired through out the centuries, starting from the ancient Romans. The method of silica based injection has been employed for a long time and ... -
Coagulation/flocculation process for marble processing plant effluent: Modelling and optimization through response surface methodology
(Wiley, 2019)In this study, the coagulation-flocculation of a wastewater discharged from a marble processing plant was statistically analyzed and optimized. To make a systematic investigation on the coagulation-flocculation of the ... -
Combined effect of pyrometallurgical and hydrometallurgical processes on quartz ore purification
(Chamber of Mining Engineers of Turkey, 2021)Recent advances in high-tech applications have highlighted the growing demand on highly pure silicates like quartz. Therefore, purification of quartz ore was determined as the subject of this study performed by pyrometallurgical ... -
Determination of deformation modulus in a weak rock mass by using menard pressuremeter
(Pergamon-Elsevier Science Ltd, 2018)The deformation modulus of heavily jointed andesitic rock mass was investigated by using 41 Menard pressuremeter test results and geotechnical information obtained from seven geotechnical boreholes. The geotechnical borehole ... -
Effect of ball load and size distribution on grinding and classification performance
(Bauverlag Bv Gmbh, 2015)An industrial test work was performed to analyse the effect of applying a lower ball load and a finer ball size distribution in the second compartment of a KHD Humboldt Wedag® ball mill on grinding and classification ... -
Effect of High Pressure Grinding Rolls (HPGR) pre-grinding and ball mill intermediate diaphragm grate design on grinding capacity of an industrial scale two-compartment cement ball mill classification circuit
(Pergamon-Elsevier Science Ltd, 2016)Effect of High Pressure Grinding Rolls (HPGR) pre-grinding and two-compartment ball mill intermediate diaphragm grate design on grinding capacity of an industrial scale conventional two-compartment ball mill cement grinding ... -
Effect of pre-crushing with a vertical shaft im-pactor (VSI) crusher on the performance of an industrial cement ball mill classification circuit
(Bauverlag BV GmbH, 2016)A vertical shaft impactor (VSI) type crusher can also be used as a pre-crushing unit in cement grinding circuits to carry out an efficient grinding process. This type of application will reduce the total grinding energy ... -
Enhancement of flotation performance of oil shale cleaning by ultrasonic treatment
(Elsevier, 2009)In this study, it was attempted to enhance the performance of flotation cleaning of oil shales by use of ultrasound. The use of an excitation effect through ultrasonication was investigated towards inorganic particles that ... -
Field evaluation of flexible support system with radial gap (FSRG) under a squeezing rock condition in a coal mine development
(Springer Heidelberg, 2020)A wide range of alternatives is available to design a support system to stabilize an underground opening under squeezing conditions. An underground mine development was selected for the research where the underground ... -
Grinding and classification performance evaluation and modelling of an industrial-scale horizontal roller mill process
(Bauverlag Bv Gmbh, 2016)Cement is conventionally produced in multi-compartment type ball mills which is a energy intensive process [3]. Typical energy consumption of the grinding stage of cement production is about 40 kWh/t in a cement plant [4, ... -
High-temperature electrocoagulation of colloidal calcareo-argillaceous suspension
(Elsevier Science Bv, 2018)In this work, the temperature-dependent electrocoagulation behavior of the highly stable calcareo-argillaceous colloids was studied. The response surface methodology was implemented to explain the performance of this ... -
Hydrophobicity of Galena with Ovabulbumin and Dithiophospinate in Relatoion to its Potential Response
(Polish Mineral Eng Soc, 2018)This study was performed to elucidate the role of ovalbumin (OVA) on the hydrophobicity and potential response of galena in the presence of dithiophosphinate (DTPI). OVA was tested as environmentally friendly depressing ... -
INCIDENTAL RELEASE OF BITUMEN DURING OIL SHALE GRINDING AND IMPACTS ON OIL SHALE BENEFICIATION
(Estonian Academy Publishers, 2009)The particle surface characteristics of oil shale and the changes in these characteristics with increasing fineness were determined. FTIR and electro-kinetic studies showed that the surfaces of oil shale particle were ... -
Influence of time-dependency on elastic rock properties under constant load and its effect on tunnel stability
(Techno-Press, 2020)In structures excavated in rock mass, load progressively increases to a level and remains constant during the construction. Rocks display different elastic properties such as E-i and v under different loading conditions ... -
Investigation of design parameters of a failed soil slope by back analysis
(Pergamon-Elsevier Science Ltd, 2017)A soil slope instability occurred at the surface facility area of a mine site, which was successfully managed from occupational health and safety point of view, and no human or material loss was encountered. Three different ... -
An investigation on single-particle impact breakage functions of a gold ore by drop-weight technique
(General Directorate of Mineral Research and Exploration (MTA), 2017)Impact breakage functions for a gold ore from Bergama region (Turkey) was estimated based on the single-particle impact breakage distributions of particles obtained from drop weight tests. For this purpose, a modified ... -
Investigations into tilt angles and order of cutting sequences for cutting head design of roadheaders
(Pergamon-Elsevier Science Ltd, 2018)This paper explains optimum arrangement of gauge tools and corner cutting picks for cutting head design of roadheaders. Full-scale simulation of roadheaders cutting heads of practical types with a wide range of tilt angles ... -
Ocena potencjalu pozyskania zmikronizowanego kalcytu z odpadów z bia?ego marmuru
(J.J. Strossmayer University of Osijek , Faculty of Electrical Engineering, Computer Science and Information Technology, 2020)Natural calcium carbonates have a great importance in the world's economy due to their numerous applications areas such as calcium carbonate in the paper and paint industries. The final calcite products have rigorous quality ...