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Solar Thermal Extraction Of Copper From Sulfides
By Lenny Winkel
With the aim to develop a solar-driven process for the extraction of copper from sulfide concentrates research on the decomposition of copper sulfides under inert atmospheres has been initiated. Therm
Jan 1, 2003
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Rinsing of Spent Precious Metal Ores for Heap Leach Decommissioning (ebb007d1-b59d-49d5-876a-726563afba5a)
By P. G. Comba
Many gold producing states are requiring rinsing of spent heaps to render the leached ore compatible with the environment and are placing restrictions on effluent pa, cyanide, and metals concentration
Jan 1, 1992
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Solar Thermal Extraction Of Copper From Sulfides (065f504f-b794-41df-8188-9af9758a04dc)
By Lenny Winkel
With the aim to develop a solar-driven process for the extraction of copper from sulfide concentrates research on the decomposition of copper sulfides under inert atmospheres has been initiated. Therm
Jan 1, 2003
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The Use of Polymer Concrete in Acid Containment Equipment for Electrometallurgical Plant Practice
By George J. Karcas
"Non-ferrous metals such as copper, nickel, lead, zinc and precious metals are produced via the electrorefining and electrowinning processes. Apart from controlling electro-chemical conditions for the
Jan 1, 1997
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Reduction Of Co2 Emissions By Chemical Synthesis Processes In The Cement Industry
By Oscar Jaime Restrepo, Juan Camilo Restrepo, Jorge Ivan Tóbon
Portland cement is obtained by a conventional synthesis process from a mixture of limestone and clay at high temperature (1450 °C). This work reports the possibility to obtain cement silicates via alt
Jan 1, 2016
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Heat Recovery From High Temperature Slags: Chemical Methods
By Yongqi Sun, Zuotai Zhang
Hot slags, at the temperatures of 1450-1650 oC, carry a substantial amount of high quality thermal energy, which represents the largest undeveloped energy source in the steel industry. However, the wa
Jan 1, 2016
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Calcium Reductants - A Historical Review
By B. R. Davis, Neale R. Neelameggham, R. E. Brown
The element Calcium element has a unique place in the production of etals, intermetallics and other compounds. The unusualness arises from the fact that we have several possible reductants – metallic
Jan 1, 2014
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A Material Recovery Facility in Cape Town, South Africa, as a Replicable Concept for Sustainable E-Waste Management and Recycling in Developing Countries
By Cissé Kane, Klaus Hieronymi, Mathias Schluep, Gerry Newson, Susanne Dittke
"E-waste is currently the fastest growing waste stream in South Africa as well as in many other African countries. Informal collectors, dismantlers and recyclers based in Africa play an increasingly l
Jan 1, 2008
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The Role of Electrochemistry at East Penn Manufacturing
By R. A. Spitz, R. Leiby, M. Bricker
Electrochemistry plays a significant role in minimizing wastes at East Penn's secondary lead smelter. East Penn has been recovering spent battery acid for reuse in new batteries since 1992. East Penn
Jan 1, 2000
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Advanced Oxygen Lances For Safer Furnace Tapping Operations
By Peter Sylvén, Darwin Morales
Despite being crucial for the smelting process, furnace tapping using oxygen lances has not been considered an operation that brings value. Therefore, these important tools have not seen a significant
Jan 1, 2016
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Energy Absorption Properties Of Foaming Aluminium (b38b98cc-7f54-45ed-9628-7264b126d99b)
By Y. H. Liu
Several foaming aluminum samples of different density were prepared in a semi?industrial scale experimental system, Their properties such as the energy absorption characteristics, mechanical propertie
Jan 1, 2003
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Effect of Impurities in Monocrystalline Silicon for Solar Cells
By Marisa Di Sabatino, Michael Phan Knudson, Mari Juel, Eivind Øvrelid
"A p-type Czochralski silicon ingot doped with boron was characterized for resistivity, minority carrier lifetime, interstitial oxygen, and metallic impurities. Analyses show a peak in resistivity and
Jan 1, 2013
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Detoxification of Chromite Ore Processing Residue With Novel Chromate Reducing Bacteria Leucobacter Sp. Ch1
By Wenjie Zhu
Chromite ore processing residue (COPR) is a hazardous waste containing high concentration of chromium. We describe here a pioneer trial of detoxification of COPR in column reactor with an indigenous c
Jan 1, 2008
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Metal Recovery from NIMH Batteries
By Carla Lupi
NiMH sealed cells (portable cells) are today widely used in all consumer applications replacing primary alkaline batteries: wireless mobile communication, portable computers and camcorders, are the la
Jan 1, 2000
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Kinetics Of Gaseous Reduction Of Manganese Ores (7c3fec85-29a0-4819-b161-9175c1f539e4)
By Rodney J. Ishak
The reduction of Mn3O4 to MnO has been investigated in a thermobalance apparatus, The charge was composed of manganese ore (decomposed by heating/calcination or pre-reduction to mainly Mn3O4) and coke
Jan 1, 2003
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Hydraulic Simulation of Fluid Flow in Beam Blank Continuous Casting Mold with Double Nozzles
By Dengfu Chen, Mujun Long, Youguang Ma, Xin Xie, Xing Zhang, Leilei Zhang
"Processing parameters of a submerged entry nozzle (SEN) affect significantly on the patterns of fluid flow and temperature distribution in beam blank continuous casting mold with double SEN s. Effect
Jan 1, 2014
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Effect Of Oxygen Enrichment On The Teniente Converter Productivity At The Ilo Smelter, Perú
By Jose Bengoa
Low metal prices and environmental restrictions are always a challenge for copper smelters operation and its productivity. Thus, in order to reduce production costs and control gas emissions, improvem
Jan 1, 2003
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Productivity, Quality and Smelter Operations: Rönnsktär 1992
By Andres Vikdahl
The Rönnsktär smelter has recently undergone a series of technical and operational changes. This changes are caused by our own will to remain and gain in competivety and to adapt to the ever changing
Jan 1, 1993
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HSC Chemistry® 3.0 in Metallurgical Applications.
By Antti Roine
HSC Chemistry is a widely-used therniochemical tool in the chemical and metallurgical industries and in universities. The main reasons for it's popularity is the easy user interface and the large
Jan 1, 1998
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Study On Reduction Disintegration Of Sinter From Titanomagnetite Concentrate
By Yuanbo Zhang, Zhixiong You, FENG ZHOU, Guanghui Li, Zhengwei Yu, Zhiwei Peng
Reduction disintegration of sinter significantly affects the coke consumption and productivity of blast furnace smelting. As we know, the reduction disintegration index (RDI+3.15) of sinter obtained f
Jan 1, 2015