Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
Increasing Drying Efficiency by Modifying the Design of Feed Chute of the Gol-E-Gohar Pelletizing Plant Ball Mill
By S. Banisi, A. R. Hasankhoei, A. R. Ghasemi, E. Razi, G. A. Parsapour
At the pelletizing plant of the Gol-E-Gohar mining and industrial company two parallel dry closed grinding circuits, each with the average throughput of 300 t/h, are used. Each grinding circuit consis
Jan 1, 2018
-
Studies In Column Flotation To Recovery Carbon Matter From Coal Tailings
By I. A. S. Brum
Brazil has large reserves of coal (7 billion tons) located predominantly in the south of the country. Despite the relative ease of exploitation, these resources have been underestimated as a source of
Sep 1, 2012
-
Experimental and Computational Insights into the Selective Adsorption Mechanism of a Novel Flotation Reagent 4-Amino-5-Mercapto-1,2,4-Triazole On Chalcopyrite Surface
By Chenyang Zhang, Zhigang Yin, Wei Sun, Jingxiang Zou, Jianyong He, Yuehua Hu, Zhijie Xu
"In this work, a novel compound 4-Amino-5-mercapto-1,2,4-triazole was first synthesized and its selective adsorption mechanism on the surface of chalcopyrite was comprehensively investigated using UV-
Jan 1, 2018
-
Kinetics And Efficacy Of Froth Flotation For The Recovery Of Metal Values From Pulverized Printed Circuit Boards
By A. Vidyadhar
Printed circuit boards (PCBs) constitute a majorpart of electrical and electronic equipment containing valuable metals such as Cu, Ni, Au, Ag, Pd, Fe, Sn, Pb, etc. The concentration of base and precio
Sep 1, 2012
-
The Use Of Pulp Potential Control To Separate Copper And Arsenic ? An Overview Based On Selected Case Studies
By L. K. Smith
Flotation work conducted by CSIRO on both single minerals and high-arsenic copper ores from a number of sources, has shown it is possible to produce separate low-arsenic copper concentrates and high-a
Sep 1, 2012
-
Processing of Arsenic Bearing Gold Ores
By T. V. Chnyrenkova, J. Troncoso, V. A. Luganov, G. P. Kluev
"Arsenic-gold bearing ores are used as flux in smelting or are leached to extract gold. The main aim is to decrease the arsenic content in processed materials and to break up the ore lattice, thus lib
Jan 1, 2003
-
Electric Pulse Disintegration Of Rocks And Ores ? Russian Experience
By A. Usov
The studies carried out by the Russian researchers and those carried out jointly within some contracts with scientific organizations and companies of other countries, show that the electric pulse disi
Sep 1, 2012
-
Albion Process Capabilities for Processing of Feed Materials Different in their Composition
By Y. G. Seredkin, A. A. Vasiliev, A. Y. Senchenko, A. V. Aksenov
"The valuable materials resulting from the processing of gold-bearing ores are often refractory to direct gold recovery through cyanidation. There are multiple methods for chemical liberation of gold
Jan 1, 2018
-
A Comprehensive Analysis of Separation in Floatex Density Separator
Separation performance of a Floatex Density Separator (FDS) has been studied both experimentally and theoretically. Experimental results reveal that at a lower bed pressure the FDS acts like a classif
Jan 1, 2014
-
Restoring the Molybdenum Production in the Flotation Plant of Coppermine Ellatzite-Med AD in Bulgaria
By I. Kairyakov
The present paper is about the restoration of the molybdenum production in the floatation plant of Ellatzite-Med AD in Bulgaria. The process, based on a working design, includes the construction of a
Jan 1, 2014
-
Effect of Using Different Gas for Chalcopyrite and Pyrite Minerals Flotation and Electrochemical Potentials
By F. Göktepe
Flotation gases and conditioning of the pulp with them are one of the important parameters of flotation and should be taken into account especially in the flotation of sulphide ores. In this study, fl
Jan 1, 2014
-
Effective Coal Beneficiation
By Sharma K. K.
India is the third largest producer with accounting to fifth largest reserves base of coal in the world. Indian coal has high ash content (15-45%) and low calorific value. The basic processes being us
Sep 1, 2012
-
A Study on Beneficiation Technology for Fine-grained Oxidized Iron Ore
There are some problems in the beneficiation of fine-grained oxidized iron mineral such as high cost, severe sliming, poor results and low recovery due to the fine disseminated size of the mineral. Ta
Jan 1, 2014
-
Evaluation of media size on the regrinding efficiency of an itabirite iron ore
By Héctor X. Toro, José Francisco Cabello, Douglas Batista, Álvaro Videla, Claudio Luiz Schneider
The Minas-Rio Project, located in the state of Minas Gerais, Brazil, is currently under construction. The new plant will have a regrinding circuit that uses VertimillTM. The objective is to process it
Jan 1, 2014
-
New insights into comparison of breakage testing techniques
By Fatemeh Saeidi, Malcolm S. Powell, Mohsen Yahyaei
In order to deal with the problems of existing comminution models a new approach towards the development of mechanistic models has been made so as to better understand the physics of milling processes
Jan 1, 2014
-
A Microblal Pretreatment for Double Refractory Gold Ores
By J. K. Afidenyo
Microbial pretreatment of a double refractory gold ore was investigated using a white rot fungus, Coriolus versicolor (ATTC 20869) to improve gold extraction. A series of preliminary tests were conduc
Jan 1, 2014
-
Improving Coarse Particle Flotation
Mineral flotation is effective over a relatively narrow particle size range of approximately 10 µm to 150 µm. If the upper particle size limit can be increased, however, a run-of-mine ore may be coars
Jan 1, 2014
-
Silver Extraction from Copper Anode Slime Using Manganese Dioxide as the Oxidant in Acid Solution
By S. F. Ye, L. Xiao, Y. L. Wang, P. W. Han
"Copper anode slime is a precious secondary source for the recovery of silver. However, current recovery process are constrained by either sever pollution or high cost. To cover the drawbacks of curre
Jan 1, 2018
-
Processing of Sarband Andalusite Deposit
By A. Bahrami
Andalusite, silimanite and kyanite are polymorphs of aluminosilicate known as kyanite group. Minerals of this group are used in refractory. Sarband andalusite deposit is located in Markazi province in
Jan 1, 2014
-
An Investigation of Feed Box Shape Effects on Cone Crusher Performance by Discrete Element Method (DEM) - The Sarcheshmeh Copper Complex Cone Crusher Case
By S. Banisi, A. Ghasemi, S. Zare, F. Ghorbani, E. Nematollahi
"Comminution is the most energy intensive operation which constitutes the major portion of operating and capital costs of the mineral processing plants. Working at the maximum operating capacity of co
Jan 1, 2018