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  • TMS
    Measurement of Liberation of Finely Ground Iron Ores

    By William A. Hockings

    Methods for the measurement of liberation of finely ground iron ores are described. The general method consists of separating a sample of the ground ore into a number of size fractions, followed by me

    Jan 1, 1981

  • TMS
    Detection of Hard Alpha Inclusions in a Titanium Alloy by Magnetic Sensing

    By Hector Carreon

    This paper presents experimental data for the magnetic field produced by thermoelectric currents around uncracked hard-alpha inclusions in a Ti?6Al?4V specimen under external thermal excitation for di

    Jan 1, 2009

  • TMS
    Laboratory One-Step Bath Smelting Of Nickel Concentrate To A Low Iron Matte (Invited) (d157377d-a433-47ef-a19a-bfb5781a6d10)

    By N. J. Tannyan

    Laboratory bath smelting tests were conducted to determine the feasibility of smelting nickel- copper concentrate directly to a low iron matte in one step. Concentrate, air/oxygen and a silica flux we

    Jan 1, 2003

  • TMS
    Dielectric Studies on PbS-KEX-K2Cr207 System under Flotation Conditions

    By Antonio Huerta

    The effects of potassium ethyl xanthate collector and potassium dichromate used as a depressor on a PbS mineral were studied by high frequency impedance technique. Measurements of complex permittivity

    Jan 1, 1997

  • TMS
    Attenuation of Cyanide in Soils

    By Jinrong Zhang

    Major components of soil were tested for their ability to attenuate cyanide. Feldspar, kaolinite, plagioclase and bauxite are found to degrade cyanide at an appreciable amount mainly through adsorptio

    Jan 1, 1991

  • TMS
    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

  • TMS
    Zinc Recovery From Zinc Oxide Flue Dust During The Neutral Leaching Process By Ultrasound

    By Xuemei Zheng, Aiyuan Ma, Jing Li, Jinhui Peng, Shaohua Yin, Libo Zhang

    Zinc recovery from zinc oxide flue dust (ZOFD) by ultrasound enhanced neutral leaching process was investigated. In this study, the effects of leaching temperature, liquid/solid ratio, leaching time a

    Jan 1, 2015

  • TMS
    Applications of Ore Microscopy to Mill Products and Deposits of Disseminated Precious Metals

    By Richard D. Hagni

    Ore microscopy is a useful technique to detect and study the ore minerals that are associated with sediment-hosted and volcanic-hosted deposits of finely disseminated gold and silver. Ore microscopy c

    Jan 1, 1987

  • TMS
    Recovering Cadmium and Tellurium from Thin-Film Photovoltaic Device Scrap

    By William K. Tolley

    The U.S. Bureau of Mines (USBM) is investigating hydrometallurgical processing techniques to recycle metals from semiconductors and other advanced materials. Cadmium and tellurium were recovered from

    Jan 1, 1995

  • TMS
    Electrochemical Reduction Of Cobalt Tetrafluoroborate In 1-Butyl-3-Methylimidazolium Tetrafluoroborate Ionic Liquid

    By Zhongning Shi, Ramana G. Reddy, Min Li, Zhaowen Wang

    Electrodeposition of cobalt from cobalt tetrafluoroborate (Co(BF4)2) was investigated using 1- butyl-3-methylimidazolium tetrafluoroborate (BMIMBF4) ionic liquid. The experiments were conducted at 353

    Jan 1, 2015

  • TMS
    Laboratory One-Step Bath Smelting Of Nickel Concentrate To A Low Iron Matte (Invited)

    By N. J. Tannyan

    Laboratory bath smelting tests were conducted to determine the feasibility of smelting nickel- copper concentrate directly to a low iron matte in one step. Concentrate, air/oxygen and a silica flux we

    Jan 1, 2003

  • TMS
    Reduction of ZrO2 in Cryolite Melt by Aluminium

    By Zhao Hengxian

    We studied the phase diagram of Na3AlFe-ZrO system, reduction of ZrO2 by aluminium and electrochemical behaviours of ZrO2 in the system. The results show that Na3ALF6-ZrO2 system is a simle eutectic o

    Jan 1, 1992

  • TMS
    Kinetic Study of the Reduction of MnO Slags and Carbon Dissolution in Fe-Mn Baths

    By José Roberto de Oliveira

    In a smelting reduction process the reduction reaction occurs predominantly in the liquid state. The main reduction agent is the carbon from the carbon saturated iron bath. The aim of the present work

    Jan 1, 1999

  • TMS
    Waste Heat Recovery: Opportunities And Challenges

    By Ilona Johnson

    United States metals and non-metallic minerals manufacturing consume about 5,000 trillion Btu annually. Various studies estimate that as much as 20 to 50 percent of this energy is lost as excess or wa

    Jan 1, 2008

  • TMS
    Outokumpu Flash Smelting N2 in Flash Furnace Blast

    By W. G. Davenport

    This chapter extends our mathematical description of flash smelting to -nitrogen in the flash furnace blast. As in chapters 4 and 5, the discussion is limited to auto thermal smelting (no hydrocarbon

    Jan 1, 2001

  • TMS
    Hydrolysis of Niobium Pentachloride Solutions

    By James A. Sommers

    Hydrolysis of NbC15 is used to recover oxide values for ceramic and metals production. Reaction of NbC15 with water is rapid, exothermic and vigorous, yielding a gelatinous slurry. In contrast, dissol

    Jan 1, 1992

  • TMS
    The SO2/O2 System As A Novel Technology For The Remediation Of Contaminated Sediments

    By Maurizio Marezio Bertini

    Successful treatment of contaminated sediments was achieved by sparging either 0.5 M NaOH solutions or distilled water with an SO2/O2 gas mixture. Metals such as Cu, Pb, Cr and Cd were successfully re

    Jan 1, 2003

  • TMS
    Scandium Recovery From A Tantalum Waste Residue: A Status Report

    By D. D. Harbuck

    The U.S. Bureau of Mines recently identified a significant new source of scandium in an Oklahoma tantalum waste residue (approximately 0.24 pct Sc). Because scandium is a strategic and critical metal

    Jan 1, 1992

  • TMS
    The Greenstone Resources Ltd. Santa Rosa Heap Leaching Project, Panama

    By Randy Martin

    "Greenstone Resources Ltd. constructed and operates the Santa Rosa open pit, heap-leach gold mine in Veraguas, Panama. The project was commissioned in 1995 at a designed capacity of 1.8 million tons p

    Jan 1, 1997

  • TMS
    Mass Spectrometric Study Of The Vaporization Processes And Thermodynamic Properties In The DyF3- Dy2O3 System

    By V. L. Stolyarova

    The high-temperature Knudsen effusion method was used to study partial pressures of vapour species, activities of components and the Gibbs free energies in the DyF3-Dy2O3 system at the temperature (13

    Jan 1, 1997