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Selective Recovery of Precious Metals by Selective Adsorption on Garlic Peel Gels
By Hongmin Zhu, Kai Huang, Shuqiang Jiao
"Garlic peel was used as the raw material to synthesize the biosorbent for the selective recovery of precious metals from the acid chloride solution. Garlic peel is rich in carboxyl-, amino- and thiol
Jan 1, 2012
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Metal Cations in CO2 Assimilation and Conversion by Plants
By Sergey Shabala
Green leaf tissues convert solar energy into the energy of chemical bonds of sugar molecules during the process of photosynthesis. The efficiency of this conversion can be much higher than efficiency
Jan 1, 2009
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Removal Of Heavy Metals From Metallurgical Effluents By The Simultaneous Precipitation And Flotation Of Metal Sulfides Using Column Cells
By Carl C. Nesbitt
A study was conducted to examine the treatment of metal-bearing effluents by precipitating the metals as sulfides and simultaneously collecting the particles by flotation. The precipitant was hydrogen
Jan 1, 1994
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Effect Of Technological Parameters On Mold Powder Entrainment By Water Model Study
By Cheng Yan, Yugang Li, Qian Wang, Lizhi Zhang
In continuous casting process, mold powder has lots of metallurgical effects, such as covering the molten steel to prevent liquid steel from oxidation by air, preserving heat for top layer liquid stee
Jan 1, 2015
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Water: An Increasingly Valuable and Challenging Resource for the Mining and Metallurgical Industry to Manage Effectively
By Ram V. Ramachandran
As an industry with major potential impacts (both good and bad) on water resources and due to the rising costs of process water, the mining and metallurgical processing industry has a key responsibili
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Treatment of Alaskan Refractory Gold Ores
By W. R. McDonald
The U.S. Bureau of Mines investigated treatment of gold and silver refractory ores and concentrates that respond poorly to conventional cyanidation techniques due to the complex mineralogy of the ore.
Jan 1, 1991
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Friction and Wear Performance of Unbalanced Magnetron Sputter-Deposited Diamond-Like Carbon Multilayer Coatings
By Eiji Iwamura
"Two types of diamond-like carbon (DLC) films with different microstructures were prepared by unbalanced magnetron sputtering, and the tribological properties of the nanoscaled DLC multilayer coatings
Jan 1, 2000
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Mathematical Modeling and Cold Model Experiment on Ultrasonic Separation of Inclusions from Molten Metal
By Mamoru Kuwahara, Tomohito Taki, Masamichi Sano
"Theoretical basis and experimental results on ultrasonic separation of dispersed inclusions from molten metal are outlined. Transitional formation of an ultrasonic standing ·wave field in a liquid ba
Jan 1, 2000
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Practical Mineralogical Techniques for the Characterization of Hydrometallurgical Products
By T. T. Chen
Hydrometallurgical products are difficult to characterize because of their fine grain sizes, heterogeneity, often amorphous structures and water soluble or hydrated constituents. Such products are adv
Jan 1, 1989
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Influence of the Electro Crystallization Inhibitors during Copper Electrorefining: A New Experimental Approach
By R. Winand, M. Degrez, C. Temmerman
"The influence of the copper electro crystallization inhibitors (mainly thiourea, gelatin and chloride ions) is studied in a new fully automatic pilot plan. This paper describes the conception and the
Jan 1, 1997
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Nitrox Metals Corporation's Process for Direct Leaching of Copper Concentrates
By R. N. O'Brien, E. Peters
"It has been discovered that copper concentrates can be leached in strong (40-60%) sulfuric acid with nitric acid, or with oxygen if nitric acid is present as a catalyst. Chalcopyrite is rapidly decom
Jan 1, 1997
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Pressure Leaching Of White Metal As An Alternative To Conversion
By María Cristina Ruiz
In the processing of copper concentrates by the conventional smelting-converting technology, complying with the increasingly severity of environmental legislation in some countries has become difficul
Jan 1, 2006
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ESP Dust Recovery Process Test Works, Plant Trial, Commissioning, Operations and Metallurgical Performance
By Peter Woodall, Paul Telford, Pengfu Tan
"Arsenic enters the Mount Isa copper circuit in the form of arsenic rich minerals in concentrates from both the Mount Isa and Ernest Henry copper mines. Arsenic is a volatile metal, and will partition
Jan 1, 2011
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Gold, Base Metals, and Alteration as Indicators of Ore at Depth; A Case History of Recsk, Hungary
By Geza Kisvarsanyi
Ore deposits composed of enargite, tennantite, gold, and pyrite have been mined in volcanic rocks of Oligocene age (35 m.y.) at Recsk, Hungary. Vertical and horizontal zoning of the alunitic-argillic
Jan 1, 1987
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Two Copper Smelting Processes At Onsan (Invited)
By Young-Chul Kang
The Onsan Copper Smelter of LG-Nikko Copper Inc. is a unique plant, which has been operating two smelting processes since 1998. The operation of the first one was started in 1979 with a capacity of 80
Jan 1, 2003
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Hydrometallurgical Routes for Recycling of Used Alkaline Batteries
By Cleusa Cristina Bueno Martha de Souza
Nowadays in Brazil the final disposal for spent batteries include sanitary and industrial landfill for hazardous waste from domestic waste and industrial waste respectively. The problems of environmen
Jan 1, 2000
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Impurity Control of Electrolyte at Sumitomo Niihama Copper Refinery
By Keiji Toyabe
Several purifying techniques have been developed for controlling the impurity levels in the copper electrolyte at Niihama Copper Refinery. These have been carried out as follows; i ) the study of the
Jan 1, 1987
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Microstructure of Al2O3/YAG/ZrO2 Eutectic in Situ Composite Prepared by Laser Floating Zone Melting
By Kan Song, Lin Liu, Hengzhi Fu, Jun Zhang, Haijun Su, Xiaojiao Jia
"Al2O3/YAG/ZrO2 eutectic in situ composite has been regarded as new generation of high temperature structural material due to its excellent performance even close to its melting point. The directional
Jan 1, 2012
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Exploratory Study into the Effects of Electropulsing on the Flow Stress and Ductility of Steel Wire as Related to Wire Drawing
By Di Yang
The influence of high density (104 -105 A/cm2) electric current pulses (70 us duration) and continuous DC (~103 A/cm2) on the flow stress and ductility in tension of a high carbon steel wire were dete
Jan 1, 2001
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High-Temperature Thermodynamic Properties of Solid and Liquid Iron-Carbon-Zinc Alloys
By M. E. Myers
An experimental program is being carried out to determine the thermodynamic characteristics of zinc solubilization in high-temperature iron and iron-carbon alloys. Two versions of an isopiestic techni
Jan 1, 1992