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Recovery of Silver From Residues of the Zinc Jarosite Process
By C. S. Ek
As a continuation of previous work, further tests have been carried out to recover silver from the residues obtained in a zinc jarosite process. Selective flotation has been performed with different r
Jan 1, 1990
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The Technological Characteristics Of Blended Nkalaha And Nsu Clays.
By N. E. Idenyi
The effects of compositions and firing temperatures on the physico-mechanical properties of blended Nsu fireclay and Nkalaha redbrick clay have been investigated. The clay samples were compounded acco
Jan 1, 2006
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Valorization Of Solid Wastes As Sorbents For Heavy Metals
By Luciano R. G. Santos
Keywords: biosorption, cadmium, copper, biomass, spent zeolite. The majority of the industrial activities produce some kind of solid wastes. In this work two industrial residues (spent zeolite and
Jan 1, 2005
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A Critical Analysis of the Biodiesel Program in Brazil
By Luciano B. Oliveira, Angela O. Costa, Sergio N. Monteiro, Luis Guilherme C. Marques
"Biofuels are gaining a relevant role in today’s world not only as a solution for the decreasing petroleum reserves but mainly as a positive contribution to the efforts in global warming mitigation. I
Jan 1, 2008
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Undercooling Of Rapidly Solidified Droplets And Spray Formed Strips Of Al-Cu (Sc)
By S. Yin, A. Bogno, H. Henein, P. Natzke
Impulse Atomization (IA) (a single fluid atomization technique) was used to rapidly solidify Al- 4.5wt%Cu and Al-4.5wt%Cu-0.4wt%Sc under argon atmosphere. In addition to the IA-generated droplets, the
Jan 1, 2015
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Research on Treatment Project of Municipal Solid Waste of Changsha City
By He De-wen
The municipal solid waste is a by-product of the daily life of urban residents. The quantity and ingredients of municipal solid waste has exceeded the current management and disposal ability, which ha
Jan 1, 2009
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Selective Enrichment of Ti Components in Ti-bearing Blast Furnace Slag and Coarsening of Perovskite Phase During Dynamic Oxidation
By Li Zhang
Air was blown into the molten slag as oxygen resource during the dynamic oxidation. It was found that the oxidation is not only in favour of Ti components into perovskite phase, but also the increase
Jan 1, 2009
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A Review of Electronic Waste (e-Waste) Recycling Technologies "Is e-Waste an Opportunity or Treat?"
By Muammer Kaya
The purpose of this review is to raise awareness about e-waste problem in the World. Whether generated at our home or our office, e-waste is most rapidly growing waste problem in the world. Even thoug
Jan 1, 2009
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Investigation On The Thermal Decomposition of Diaspore
By Xiaowen Liu
The thermal decomposition of diaspore was investigated by thermogravimetry (TG),differential scanning calorimetry (DSC), X-ray power diffraction(XRD),infrared (IR)spectrain this paper. The thermal dec
Jan 1, 2006
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A Sintering Ore Blending Optimization Model Based On "Iron Increase and Silicon Reduction" Ore Dressing Processes
By Jing-she Li, Hai-yan Tang, Cheng-song Liu, Wei Liu
"In order to effectively utilize cheap and low quality iron ores, a hematite ore in a certain steel plant in Xinjiang was researched on to obtain ""iron increase and silicon reduction"" by ore dressin
Jan 1, 2014
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Coal Characterization and its Relation to Physical Cleaning
By J. Y. Hwang
The relationship between coal characterization and physical cleaning has not been well understood due to the complex nature of coal. Therefore, it is difficult to apply the results of coal characteriz
Jan 1, 1988
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Principles of Sulfiae Smelting
By N. J. Themelis
The basic chemical, thermal and transport principles that underlie sulfide smelting of. copper, nickel and lead are reviewed. Two basic types of modern smelting processes are distinguished?: flash-sme
Jan 1, 1983
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Removal of Zinc and COF from Electroplating Effluent using Sawdust
By Yunnen Chen
This work concerns the removal of zinc(II) and COD by means of sawdust obtained as a by-product from locally used wood. The zinc(II) and COD removal study has been carried out batchwise where the infl
Jan 1, 2009
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Strengthening Reduction Process Of Vanadium Titanao-Magnetite With Caf₂ Added At High Temperature
By Xiang-dong XING, Zhen-yang wang, Xing-le LIU, Jian-Liang Zhang
Experiments were carried out by adding CaF2 as catalyst in a Ar atmosphere to study the isothermal reduction kinetics of vanadium titano-magnetite carbon composite pellets under high temperature in th
Jan 1, 2015
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Effect of Zinc in Cyanide Heap Leach Processing Solutions
By Jr. Langhans, J. S. McPartland
"The presence of zinc in cyanide solutions is generally thought to not have an adverse effect on precious metal recovery or recovery rate by heap leach processing. However, analytical interferences of
Jan 1, 1999
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Multimedia Dispersion And Solidification Of Molten Material Flows
By David Arana
The use of gas-water dispersion of a molten material flow onto a vibrating surface is developed as a process to minimize water pumping requirements, minimize the risks of explosions, and minimize the
Jan 1, 2006
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Modeling And Control Of Dioxin Formation During Iron Ore Sintering (f0829787-3522-495a-899a-a5e6b72d7adc)
By Pengfu Tan
In order to understand and control the formation of dioxins and furans in iron ore sinter plants and to possibly avoid expensive end-of-pipe removal stages, thermodynamic calculations on the stability
Jan 1, 2003
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Oxidation of Nickel Concentrates and Crushed Nickel Matte Under Simulated Flash Smelting Conditions
By Satu Strömberg
A single-particle laminar-flow technique was used to study oxidation of two nickel concentrates and a granulated nickel matte (43 wt% of Ni). Experimental conditions were: reaction gas from N2 to N2 +
Jan 1, 1995
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Prevention Of Resulfurization In Magnesium Desulfurization Process Of Molten Iron
By Jian Yang
The mechanism of resulfurization in the desulfurization process with magnesium vapor produced in situ by aluminothermic reduction of magnesium oxide was clarified in the present work. The influences o
Jan 1, 2006
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AMD Treatment Using Rice Husk as Biosorbent
By Jorge Alberto Soares Tenório, Flávia Paulucci Cianga Silvas, Bianca Medeiros, Denise Crocce Romano Espinosa, Ivo André Homrich Schneider, Daniella Cardoso Buzzi, José Roberto de Oliveira
"AMD is one of the main problems associated with mining activities and the techniques used in their treatment may be the biosorption. The aim of this work was to study the rice husk as a biosorbent fo
Jan 1, 2012