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Improvement in product of silica plant by modification of size classifying unit and application of attrition scrubber
By Mahdi Shevrini, Hamed Haghi
"In this research, the operation of screen classifying in silica processing circuits was investigated and modified by replacement of available trommel screens with teetered bed separator (TBS). In add
Jan 1, 2014
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NIR hyperspectral imaging based techniques in demolition waste recycling
By Silvia Serranti, Giuseppe Bonifazi, Roberta Palmieri
The possibility to develop an efficient recovery and reuse of concrete materials from Demolition Waste (DW) represents one of the main targets applied to end-of-life constructions dismantling/recyclin
Jan 1, 2014
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Optimization Of Simultaneous Leaching Of Gold And Silver From A Refractory Gold Ore
By M. Saba
In cyanide leaching procedure, achieving an acceptable efficiency for silver and gold is very time-consuming, thus, enough studies have not been performed for optimization and modeling of this process
Sep 1, 2012
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Beneficiation Of Pyrophyllite By Selective Breakage In Various Grinding Conditions
By Kwan Ho Kim
The beneficiation study of low quality pyrophyllite is conducted to enhance the value of it by selective grinding. In mining stage, the main gangue mineral is quartz, and the content of quartz in ore
Sep 1, 2012
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In Situ Bioremediation Of A Heavily Contaminated Soil In A Uranium Deposit
By Stoyan Groudev
Two experimental plots consisting of a slightly acidic soil heavily contaminated with radionuclides (mainly uranium and radium) and non-ferrous metals (mainly copper, zinc, and cadmium) were treated i
Sep 1, 2012
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Comparison of Wet and Dry Stirred Media Milling from Energetic and Mechanochemical Point of View
By G. Mucsi, F. Kristály, Á. Rácz, É. Gregus, K. Bohács
"Stirred media mills are widely used in the industry for fine grinding. Most of the applications work in wet mode, however dry grinding in stirred media mill comes forward more frequently nowadays. Th
Jan 1, 2018
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Moisture retention and migration in a coal product stockpile
By Marco Le Roux, Quentin Campbell
"Most coal supply contracts include strict limitations on the moisture content of the products. This limitation exists because of calorific, transport cost, and handling reasons. Managing the retentio
Jan 1, 2014
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Substantiation of the technological processes for effective extraction of PGM from dunites, Urals Platinum Belt, Russia
By Kozlov Andrey, Matveeva Tamara
"The results of mineralogical and technological studies of platiniferous dunites from Svetloborsky zonal massif (Urals platinum belt) are presented and the basic typomorphic signs of productive minera
Jan 1, 2014
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Computer-based study on QSAR of small molecule depressors for chalcopyrite
By Chuanyao Sun, Longli Liu, Fayu He, Guiye Wu
Utilizing thioglycolic acid (TGA) as a template and using structure-guided design, a molecular modelling approach has been used to design and screen appropriate dispersant for chalcopyrite. A series o
Jan 1, 2014
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Selective Arsenic And Antimony Removal By Alkaline Leaching And Precipitation From Enargite And Tennantite/Tetrahedrite Ore
By Shibayama A.
In this research, an investigation of a process to selectively remove arsenic (As) and antimony (Sb) contained in enargite (Cu3AsS4) and tennantite/tetrahedrite ((Cu1,Fe)12(As,Sb)4S13) copper resource
Sep 1, 2012
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Multi-Objective Optimization of a Mineral Processing Plant via Machine Learning and Genetic Algorithms
By Venkataramana Runkana, Aditya Pareek, Vishnu Masampally, Nagaravi Kumar Varma Nadimpalli
"Recovery and grade of the ore produced are two important metrics, which define the profitability of a mineral processing plant. Achieving high grade and high recovery at the same time in a mineral pr
Jan 1, 2018
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Bioleaching Gold From Refractory Ores By Using Heterotrophic Microorganisms
By G. Semenchenko
Heterotrophic microorganisms Pseudomonas aureofaciens, microscopic fungi Fusarium sp. and their combinations with some chemical substances were used for gold leaching from refractory ore and flotation
Sep 1, 2012
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Collecting Agents for Flotation Upgrade of Mikhailovsky GOK’s Magnetite Iron Ore Concentrate
By S. L. Gubin, T. V. Ignatova, A. V. Levshin, D. O. Sharkovsky
"Flotation process applied for concentration of unoxidized ferruginous quartzites by PJSC Mikhailovsky GOK (MGOK) is based on wet magnetic separation of strong magnetic minerals. However quality of th
Jan 1, 2018
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Beneficiation Studies of a Low-Grade Iron Ore in China
By Hao Zhang, Dezhou Wei, Qiang Zhao, Caie Zhang, Baoyu Cui, Xuetao Wang
"Nowadays, long periods of relatively low iron ore prices have made the steel industry get the greater pressure. To develop appropriate processing technology based on characteristics of the iron ore,
Jan 1, 2018
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Standardization and optimization of coloring systems of gems
By Cristiane Ericksson, Ananda Scomazzon, Irineu Schadach, Juliano Tonezer
The state of Rio Grande do Sul, southern Brazil, appears on the national and international scene as an important producer of precious stones and the main gems are amethyst, citrine and agate. However,
Jan 1, 2014
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Flotation Process Optimization Based on Mineralogical Analysis
By Leming Ou, Qiming Feng, Yiping Lu, Pengyu Zhang, Qing Shi, Kun Liu, Guofan Zhang
"This paper introduces the mineralogical analysis of certain polymetallic copper-zinc ore in China with the aim of improving the flotation process. The main valuable elements, mineral phases and compo
Jan 1, 2018
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Deep sea mining tailings placement, environmental impact assessment and regulation, Papua New Guinea
By Tracy Shimmield, Philip Samar
"Metals have been mined as ores since pre-history but metal production has increased dramatically in modern times driven by expanding Global GDP. Metal ore mining produces large amounts of waste rock
Jan 1, 2014
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Determination Of The Bond Work Index Of Composite Materials
By B. Csoke
The Bond and the Hardgrove methods are widely used for the determination of the material?s grindability. Generally, the determination of the Bond work index of inhomogeneous materials can be carried o
Sep 1, 2012
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Study on ore dressing technology for a complex low-grade Cu-Sn-W ore of South China
By Liu Fan, Shang Yanbo, Wang Zhongming
"Besides valuable metals of Cu, Sn, WO3, Zn, there are S, Ag, CaF2, In and so on in a complex ore deposit in south China (which belongs to Hu Nan Shizhuyuan Non-ferrous Metal Limited Liability). Altho
Jan 1, 2014
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Rock Grindability Estimation Based On The Quaternion Color Extraction Model
By C. Perez
In mineral processing plants it is important to estimate rock composition, size and grindability to improve control of the grinding process. It is well known that variation in ore grindability and siz
Sep 1, 2012