Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
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
-
The Development of a New Air Jig for Dry Coal Benefication (15a7a714-c30b-4e31-abba-1e9f856b8291)
By Hermann Wotruba, Lars Weitkämper
"Dry coal dressing was popular during the 1950.s and 60.s in many parts of the world. The devices mainly used were air jigs and air tables.The increase in ash and moisture content of run-of-mine coals
Jan 1, 2003
-
Simulation of Hindered-settling Column Separation Process Using the DEM
By Ji Hoe Kwon
Hindered-settling column process has been used for the separation of mineral particles for many years. In this study, a model based on DEM (Discrete Element Method) was used to simulate the movements
Jan 1, 2014
-
The recycling scheme investigation of copper mineral on a kind of copper raw ore produced in China
By Dezhou Wei, Cong Han, Shuling Gao, Wengang Liu, Yanbai Shen
The recycling schemes of copper mineral to a copper raw ore produced in China is investigated in this paper, of which is aimed at copper concentrate‘s grade is over 26.00% and recovery is over 90.00%.
Jan 1, 2014
-
Selective flotation optimization of galena from lead and zinc ore complex (sulphide-oxide)
By Hossein Zarei, Masoud Kashani, Mehdi Safari
The feed of flotation unit in Angouran mine, as a part of Iranian Lead and Zinc National Corporation, contains about 34.26% zinc (about 12% Zn sulphide) and 10.14% lead (about 2% Pb sulphide). The gra
Jan 1, 2014
-
Application Of High Efficiency Air Classifiers For Fly Ash Processing
By David Morrow
Fly ash is a by-product from coal-fired power stations that is captured from the exhaust gas stream by electrostatic precipitators (ESPs) or bag houses. It is mainly derived from the inorganic compone
Sep 1, 2012
-
The Electrokinetic Properties and Flotation Behavior of Quartz And Feldspar in the Presence of Polymeric Surfactants (574d0074-57a9-414d-9659-f9ad28b8b802)
By Montaser S. EL Salmawy, Takahide Wakamatsu, Eishi Kusaka
"The effect of ethoxylation of long chain alcohols on the quartz and feldspar flotation behaviors was investigated for surfactants of the octylphenol polyoxyethylene family. The tests were carried out
Jan 1, 2003
-
State of Rare and Rare Earth Metals Production in the World and Kazakhstan
By Z. S. Abisheva
Rare and rare earth metals use quite often is an indicator of national economy development. The world structure of the rare-earth metals manufacturing countries in 2015 was presented as follows: China
Jan 1, 2018
-
Flotation and Adsorption Characteristic of Fatty Acids Separated from Waste Cooking Oil
By W. D. Guo, Y. M. Zhu, B. B. Luo
The main chemical constituents of waste cooking oil are higher fatty acid glycerides, which can be used to produce anionic fatty acids for most non-sulfide flotation. However, using the mixed fatty ac
Jan 1, 2018
-
The use of molecular modelling for process development of Au-Bi- Fe3O4 ores
By N. Nehoroshev, P. Solozhenkin, N. Voyloshnikova, A. Pshennikov
"Molecular modeling of clusters of major bismuth minerals, Bi2S3, was carried out whereby molecular models of minerals and reagents clusters were created. Their HOMO and LUMO energy levels were calcul
Jan 1, 2014
-
Effect of Iron Ore Particle Size and Shape on Green Pellet Quality
By V. Sheikhzadeh, M. Saghaeian, R. Hejazi, A. Abazarpoor
Green pellet strength including drop number and green compression is highly depended on particles size and shape. The used grinding method, ball mill or high pressure grinding roll (HPGR), directly va
Jan 1, 2018
-
Recycling of non-ferrous metals, precious metals and rare earth metals from MSW
By Peter Ay, Bodo Müller, Jens Markowski, Manfred Kanthak, Florian Logsch
"Presently the global commodity situation for non ferrous-, precious- and rare metals is characterized by a strong increase in consumption and a simultaneous shortage of materials derived from primary
Jan 1, 2014
-
Compacting Of Coking Coals By Stamping And Pressing
By H. Z. Kuyumcu
Coking of coal blends using high volatile coals with poor coking abilities to produce a high quality coke for blast furnace application can be achieved by compacting the coal blend prior to the carbon
Sep 1, 2012
-
Motion of Individual Bubbles Rising in a Swarm
By C. A. Acuña
Extensive literature exists on the motion of single bubbles and the behaviour of swarms of bubbles. This contribution describes work to track and reveal the motion of individual bubbles in a swarm.
Jan 1, 2014
-
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
-
A Novel Technology to Recover Copper from Waste Printed Circuit Boards
By Junwei Han, Wenhua Li, Wenqing Qin, Fen Jiao, Wei Liu, Jiaqi Xu
"A novel technology was developed to study the process of recycling copper from waste printed circuit boards (WPCBs), which are the main source of metal production in the next decades. The chemical co
Jan 1, 2018
-
Combined Energy Impact on Acid Leaching Of Eudialyte Concentrate.
By V. G. Minenko, V. A. Chanturiya, A. L. Samusev
Eudialyte is one of perspective resources of zirconium and other rare earth elements (REEs). Large reserves of eudialyte concentrated in the Murmansk region of the Russian Federation. Usually, technol
Jan 1, 2018
-
The Optimization of the Resource Cycle Impact of the Combination of Technology, Legislation and Economy (XXII International Mineral Processing Congress)
By U. M. J. Boin, W. L. Dalmijn, T. P. R. de Jong
"This paper explores the complex interrelationship between the resource cycle, recycling and metal production as a function of economics, environmental legislation, and product design. It is argued t
Jan 1, 2003
-
DEM Simulation of the Jaw Crusher with Complex Motion Jaws
By I. I. Beloglazov, G. A. Iusupov, A. Ju. Feoktistov
"The aim of this paper is to study the numerical modeling of the crushing process in a jaw crusher with complex motion jaws using Discrete Element Method (DEM). The main goals are to ensure the confor
Jan 1, 2018
-
The quality of ultrasonic extinction based on-line particle size distribution analysers for mineral slurries
By Axel Pankewitz, Andrew Smith, Mathias Stender, Christian Behrens
"Particle size measurement is one of the most important factors in obtaining peak performance of the mineral processing plant in order to ensure efficient milling and flotation circuit operation. Off-
Jan 1, 2014