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  • TMS
    Indium Recovery from Discarded Light Emitting Diode (LED) Liquid Crystal Display (LCD) TV: Influence of Leaching Reagents

    By Priscilla Aki Mori de Hanashiro, Viviane Tavares de Moraes, Denise Crocce Romano Espinosa, Hugo Hashimoto

    "The LCDs are used in televisions, calculators, mobile phones, computers (laptops and tablets), video games and other electronic devices. The advancements in technology make obsolete these devices, ca

    Jan 1, 2014

  • TMS
    Recovery of Copper from Chalcopyrite by Means of a Cupric Chloride Leach

    By K. J. Cathro

    A hydrometallurgical process is described for the recovery of copper from chalcopyrite concentrates. The process is based on a cupric chloride leach, the concentrate having first been "activated" by h

    Jan 1, 1976

  • TMS
    Influence Of Reduction-Carburization Conditions On The Rate Of Iron Carbide Formation

    By A. A. el-Geassy

    High-grade iron ore fines rejected from the DRl plants (>96%Fe20) were isothermally reduced in 30-60%COIH2 gas mixtures at 973-1273K. The freshly reduced reaction products were then subsequently carbu

    Jan 1, 2003

  • TMS
    Sulfoxides and Its Complexes with Precious Metals

    By Zhang Yongzhu

    Sulfoxides are one kind of extractants for precious metals. The structure, the coordination reaction, the extraction behaviour and the precious metals complexes of sulfoxides are summarized. The diffe

    Jan 1, 1992

  • TMS
    Recovery of Precious Metals from Base Metal Sulfide Ores by a Hydrometallurgical Process

    By V. I. Lakshmanan, R. Roy

    Base metals and PGMs are currently recovered from sulfide concentrates using pyrometallurgical processes. These processes suffer from several limitations such as being capital intensive, scaling probl

    Jan 1, 2011

  • TMS
    Slags And Fluxes In Pyrometallurgical Processes (Keynote)

    By Florian Kongoli

    Slags and fluxes are important interchangeable dimensions of pyrometallurgical processes. They can increase the efficiency of the smelting, converting and refining processes and improve the quality of

    Jan 1, 2003

  • TMS
    Slags And Fluxes In Pyrometallurgical Processes (Keynote) (239add24-ba01-4884-88c7-e60e290dbab3)

    By Florian Kongoli

    Slags and fluxes are important interchangeable dimensions of pyrometallurgical processes. They can increase the efficiency of the smelting, converting and refining processes and improve the quality of

    Jan 1, 2003

  • TMS
    Soda Fuel Cycle Metallurgy –Choices for CO2 Reduction

    By Neale R. Neelameggham

    "Ferrous and non-ferrous metal industries are used to handling several billion tons a year of ore bodies, fuel and fluxing agents by mineral processing techniques and varieties of extractive metallurg

    Jan 1, 2008

  • TMS
    The Smelting of Copper-Nickel Concentrates in an Electric Furnace

    By Roger C. Urquhart

    Copper-nickel-sulphide ores mined in the Rustenburg district of South Africa are generally smelted in electric furnaces because of the high-temperature slag produced, the availability of cheap electri

    Jan 1, 1976

  • TMS
    Hw Process Technologies, Inc's Engineered Membrane Separation (EMS) ,Of Copper And Gold In Cyanide Solutions

    HW Process Technologies, Inc. (HWPT) has developed a patented membrane-based ion fractionation system, which specifically separates copper from gold and silver species in a cyanide matrix. This Engine

    Jan 1, 1998

  • TMS
    Experimental Study of Phosphorus Distribution between Slag and Metal During Duplex Dephosphorus Converter Processing

    By Xie Zhang, Jiang Diao, Xin Qiu, Lu Jiang, Bing Xie, Hong-Yi Li

    "Duplex converter process, in which the first converter is used for removing phosphorus from hot metal (De-P), is an important way to produce low P-content and ultra-low P-content steels. In order to

    Jan 1, 2013

  • TMS
    Copper from Copper Concentrates Via Solutions of Cuprous Sulfate in Acetonitrile -Water Solutions

    By Alan James Parker

    Chalcopyrite can be converted to pure copper by the following five steps. An exothermic sulfation roast of chalcopyrite; leaching of cupric sulfate from the calcine with dilute acid; precipitation of

    Jan 1, 1976

  • TMS
    Destruction Of Nuclear Graphite Using Closed Chamber Incineration

    By D. J. Senor

    Closed chamber incineration (CCI) is a novel technique by which irradiated nuclear graphite may be destroyed without the risk of radioactive cation release into the environment. The process utilizes a

    Jan 1, 1994

  • TMS
    Aluminum Trihydride Studied By Powder Synchrotron X-Ray Diffraction: Crystal Structure And Thermal Decomposition

    By Jan Petter Maehlen

    Solid H-absorbing materials are in focus of ongoing R&D to offer viable solutions for the hydrogen storage and supply systems aimed on use of hydrogen as energy carrier for automotive transportation.

    Jan 1, 2006

  • TMS
    Gold Recovery from Refractory Sulfidic-Carbonaceous Ore Part 11: Thiourea Leaching Following Biooxidation-Heap Pretreatment

    By R. Y. Wan

    Low grade sulfidic-carbonaceous refractory ore from Newmont Gold Company's Carlin deposit was microbially pretreated. The biological pretreatment process gave partial oxidation of the sulfidic co

    Jan 1, 1995

  • TMS
    The Hydrothermal Reaction and Kinetic of Enargite

    By Gerardo Fuentes

    The stoichiometry and kinetics of the hydrothermal reaction of enargite in copper sulphate solutions was investigated in the range 140–300 °C, and particle size under 15 and 50 μm. The stoichiometric

  • TMS
    Research On The Use Of Waste Silica From The Cerro Prieto Geothermal Field, Mexico

    By John W. Lund

    The Geo-Heat Center has been investigating the utilization of waste silica from the Cerro Prieto geothermal field for several years. The main objectives of the research were to com-bine silica with va

    Jan 1, 2006

  • TMS
    Drilled and Tapped Slurry Pump Parts with Hardness in Excess of 700 HBN

    By George A. Calboreanu

    In order to overcome drilling and tapping of high hardness wear resistent material in slurry pumps, most of time mild steel inserts are mounted in the mold and after pouring they become an integrated

    Jan 1, 1996

  • TMS
    The Environment Process; Towards Commercialization: A Decade Of Gestation

    By S. Street

    The Environment process, invented by Prof. H.K.Womer and developed at the University of Wollongong, simultaneously treats ferruginous and organic wastes via bath smelting. Conceived in the late 1980&a

    Jan 1, 1996

  • TMS
    Household Battery Recycling in the United States: An Overview

    By C. J. Beyke

    In recent years recycling of household batteries has received increasing attention, primarily for environmental reasons. This article reviews the major battery types and some of the technologies avail

    Jan 1, 1995