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The Effect of Na-K Activator and Curing Mode on Fly Ash-based Geopolymers
By Y. F. Hou
This paper reports the results of the study of the influences of concentration and modulus of sodium potassium silicate solution (Na-K activator) and curing mode on the phase composition, mi-crostruct
Jan 1, 2014
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Mechanochemical Treatment Of Natural Beach Ilmenite By Silicon Addition And Their Leaching Behavior
By Yosep Han
Mechanically-induced chemical reactions between natural beach ilmenite (FeTiO3) and silicon (Si) have been examined by a combination of X-ray diffraction (XRD) and scanning electronic microscopy (SEM)
Sep 1, 2012
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On-line Optimization of Crushing Stage Using Speed Regulation on Cone Crusher
By E. Hulthén
Cone crushers are used in the mineral, mining, and aggregate industry for fragmentation of rock materials. Control systems for cone crusher settings are widely used to compensate for wear and to prote
Jan 1, 2014
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Complex-forming Reactants for Effective Flotation of Pt-Cu-Ni and Au-sulfide Ores of Russia
By V. A. Chanturiya
In Pt- and Au-keeping complex ores processing, about 10% ~ 15% of noble metals are lost with true tailings that are due to low floatability of Pt- and Au-keeping minerals by the conventional collector
Jan 1, 2014
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Split Flotation Of LVMC Coal To Generate Multiple Products For Complete Utilization
By Shobhana Dey
A low volatile medium coking coal from Jharia coal field, India was used for this investigation. The proximate analysis of the sample shows that it contains about 25% ash, 21.4% volatile matter and 52
Sep 1, 2012
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Production Of Briquette Coal From Soma Basin Lignites In Turkey
By F. M. Isik
Due to not to being our own sources, some energy sources such as oil and natural gas which are used frequently, are not reliable energy sources for our country. Coal is an important energy source that
Sep 1, 2012
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Process Optimization of Hydrochloric Acid Leaching of Asbestos Tailings
By G. X. Du
Improving reaction effectiveness of asbestos tailings and acid is main means to increase the productivity of magnesium hydroxide and amorphous silica and to reduce production costs. In this paper, the
Jan 1, 2014
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Study on Manufacturing of N-P-Mg Compound Fertilizer from Phosphate Tailings with High Magnesium Content
By Z. D. Tan
The continuous digestion technological conditions of phosphate tailings with high magnesium content in sulfuric and phosphoric mixed acid is studied in this paper. The influences of excess coefficient
Jan 1, 2014
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Flocculation Studies Of Iron Ore Tailings Using Saline Water
By Jyotirmoy Sarma
The surface-active agent, like sodium humate, in the present systems produces a very stable suspension. Saline water up to 15% is used as a flocculating agent for recovery of water from the dispersed
Sep 1, 2012
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Electrochemical Oxidation and Dissolution of Refractory Benguet (Philippines) Gold Concentrate in Hypochlorite Solutions
By H. C. E. Regidor, M. G. Mena, H. D. Mendoza
Cyanidation leaching has always been the most widely used method of extraction of gold in the world. Its low cost and high selectivity has made it the prevalent choice for mining companies, and even f
Jan 1, 2018
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Diagnosing And Controlling Release Of Antimony To The Process Water, Pulp/Water Electrochemistry And Its Effect On Antimony Dissolution
By H. R. Manouchehri
The importance of the grinding environment and its effect on sulphide minerals flotation behavior has been known for many years. The grinding environment may play a role in controlling fine and coarse
Sep 1, 2012
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DEM Simulation of Solid Flow in an Ironmaking Blast Furnace ? Influence of Non-spherical Particles
By A. T. Adema
The cohesive zone, where the ore fed into the blast furnace softens and melts, is critical to the blast furnace performance and stability due to its influence on the gas and solid flow. This paper de-
Jan 1, 2014
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The Effect of Screening Panel Selection on Drain Rates and Media Recovery in a Dense Media Circuit
By S. M. Bradshaw, V. Rocher, L Kabondo, B. Combrink, C. A. Snyders
Media losses are a significant contributor to the operational cost in a dense media separation (DMS) circuit. Of these losses, up to 80 wt% can occur on the drain and rinse vibrating screens. Although
Jan 1, 2018
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Improvement of pellet specifications using high pressure grinding roll in Ardakan pelletizing plant
By M. Saghaeian, R. Hejazi, L. Hosseini
The specific surface area (Blain value) of iron ore concentrate entering the pelletizing plant is one of the characteristics most effective on the overall performance of the plant such as producing ha
Jan 1, 2014
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Recovery Of Valuable Mineral From Low Grade Iron Ore Fines And Slime Using Metso Hgms Technology
By J. Jirestig
Poor grade iron ore, suffering from interlocked particles, is challenging for any process technology. Extensive grinding is required to attain liberation and to yield concentrates of desired grade. Fi
Sep 1, 2012
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Modelling of Gold (I) Bis-thiourea Adsorption and Carbon Properties of Activated Bagasse
By N. Syna
The selection and preparation of activated carbon suitable for specific application can often involve exhaustive adsorbent preparation and testing. This work examined an emerging technique based on mo
Jan 1, 2014
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Leaching Complex Gold Ores
Calaverite is a gold telluride found in the Kalgoorlie region, Fiji, Cripple Creek Colorado and numerous other locations. It is known that a high pH is necessary for calaverite cyanidation, with the l
Jan 1, 2014
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Study on New Technique for Advancing Recovery of Micro-sized Hematite by Magnetic Separation
By Y. H. Tang
For its surface features, micro-sized hematite is usually difficult to recover by magnetic separation; especially, the existing high gradient magnetic separator in industry can not utilize collecting
Jan 1, 2014
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Using Process Integration & Optimization To Provide Integrated Process Solutions For Mining Operations, From Mine To Mill
By E. Isokangas
The production of minerals for economic use is a two-stage process, involving mining to extract the mineral from the ground, and processing to convert the mineral into a marketable product. Generally,
Sep 1, 2012
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Synthesis Of Hyperbranched Alumina Silica (Has) Using Pyrophyllite To Capture Co2 Emissions
By M. Prasad
Growing concern over increased levels of atmospheric carbon dioxide has prompted new interests in development of materials and techniques for its sequestration. Various research and developmental work
Sep 1, 2012