Yayın tarihi için Maden Mühendisliği Bölümü Koleksiyonu listeleme
Toplam kayıt 60, listelenen: 21-40
-
Performance evaluation of a conventional closed circuit process at different cement productions
(TMMOB Maden Muhendisleri Odasi, 2017)Performance of a conventional Polysius® two-compartment ball mill and a OSepa® high efficiency dynamic air classifier (FLSmidth) closed circuit process was investigated at the steady state conditions at CEM II type Portland ... -
Analysis of the self-similarity of single particle impact breakage distributions of cement clinker particles
(TMMOB Maden Muhendisleri Odasi, 2017)This study analysis how the impact breakage pattern changes at different specific comminution energy levels. Impact breakage patterns of two different cement clinker samples were investigated by plotting size-normalized ... -
A rational comparison of groove deepening to relief cutting in terms of tool spacing with drag tools
(TMMOB Maden Muhendisleri Odasi, 2017)This paper mentions a rational comparison between relief cutting and groove deepening for tool lacing design of partial-face cutting machines employed for mechanical excavations of rocks, coal and stones. The comparison ... -
Statistical evaluation of olivine flotation in the presence of dextrin
(TMMOB Maden Muhendisleri Odasi, 2017)Olivine (Mg,Fe)2SiO4) is an important industrial raw material especially for metallurgical processes such as foundry sand, slag conditioning, production of refractories and iron ore pellets. Olivine alters throughout the ... -
Variation of sediment thickness in electrocoagulation as a function of pH, current and temperature
(TMMOB Maden Muhendisleri Odasi, 2017)In this electrocoagulation study, the effect of three different parameters on the final sediment thickness was tested. For the analysis of the electrocoagulation parameters, the response surface methodology via Box-Behnken ... -
Coagulation/flocculation process of marble wastewater: A preliminary (quadratic) statistical model
(TMMOB Maden Muhendisleri Odasi, 2017)In the scope of this preliminary work, the turbidity removal of an aqueous marble waste was investigated. The effect of the Fe-coagulation and PEO-flocculation on the supernatant turbidity was statistically modelled. The ... -
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 ... -
Optimization of coagulation-flocculation process for treatment of a colloidal suspension containing dolomite/clay/borax
(Elsevier Science Bv, 2017)This study statistically investigated the turbidity removal of a dolomite/clay/borax-containing colloidal suspension that had a high degree of stability. During the destabilization experiments, the mixing intensity, the ... -
Assessing Rock Mass Permeability Using Discontinuity Properties
(Elsevier Science Bv, 2017)Field measurement of rock mass permeability is essential that numerous factors influence its directional magnitude. Lugeon test is a popularly conducted field instrument in order to measure hydraulic conductivity of a rock ... -
Production of White Barite from Barite Concentrates of Shaking Tables by Bleaching Process after Magnetic Methods
(Polish Mineral Eng Soc, 2018)Market price of industrial minerals depends on the purity of products, and increases almost exponentially with the decrease in grade of coloring impurities. Therefore, this work was conducted to investigate the applicability ... -
Redox behavior of galena in alkaline condition
(Springer Heidelberg, 2018)Electrochemical potential determines types of redox products formed on electrically conducting minerals like galena, which might manipulate process efficiency applied on the target mineral. Therefore, electrochemical ... -
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 ... -
A pick force calculation method suggested for tool lacing of mechanical excavators employing drag tools
(Taylor & Francis Ltd, 2018)This paper deals with tool lacing design of partial-face cutting machines employed for mechanical excavations of rocks, coal and stones. A rational comparison between relief cutting and groove deepening was made by simulating ... -
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 ... -
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 ... -
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 ... -
Prediction of Top Coal Cavability Character of a Deep Coal Mine by Empirical and Numerical Methods
(Pleiades Publishing Inc, 2018)Longwall top coal caving mining provides high productivity where thick coal seams exist. The study aims to predict the cavability character of the top coal for deep and thick coal seam in Soma lignite basin located at ... -
Regression Analysis and Neural Network Fitting of Rock Mass Classification Systems
(2018)Commonly used rock mass classification systems, Rock Mass Rating (RMR), Q-System, and Geological Strength Index (GSI) were used as input for simple regression and Neural-Network fitting. The relationship between the ... -
Separation of huntite and hydromagnesite from magnesite in combination of physicochemical treatment and size reduction
(Elsevier Science Bv, 2019)Huntite and hydromagnesite are important minerals in the synthesizing of fire-safe composites. They are mostly not pure and associated with gangue minerals like magnesite, dolomite, aragonite and calcite. In this study, ... -
Relating rock mass properties with Lugeon value using multiple regression and nonlinear tools in an underground mine site
(Springer Heidelberg, 2019)The Lugeon test is one of the commonly applied field methods for measuring hydraulic conductivity of a rock mass. Understanding hydraulic conductivity is especially necessary when groundwater is present, as it has a direct ...