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  • TMS
    Ambient Pressure Production of Crystalline Scorodite from Arsenic-rich Metallurgical Effluent Solutions

    By D. J. Droppert

    This paper describes the precipitation-production of crystalline scorodite (FeAs04.2H20) from arsenic-rich sulphate-based metallurgical solutions at ambient pressure (95°C). Arsenic is precipitated by

    Jan 1, 1996

  • TMS
    The Oxidation Behavior Of 58 And 72 % Copper Mattes In A Simulated Flash Converting Furnace

    By Kirsi M. Riihilahti

    The oxidation characteristics of solid copper matte particles under simulated Kennecott-Outokumpu Flash Converting conditions are presented. The effects of feed matte grade, matte particle size, oxyge

    Jan 1, 1998

  • TMS
    Chlorination: A Potential Approach for the Beneficiction of Chromite

    By N. Kanari

    One of the criteria to define the market value of chromite concentrate is its chromium to iron ratio. Changing this ratio for a definite chromite mineral is impossible by physical processing. This stu

    Jan 1, 1997

  • TMS
    Separation of Cobalt and Metals in Acidic Chloride Solutions Using Diffusion Dialysis

    By Zizheng Zhou

    The separation of cobalt from other base metals can be achieved using diffusion dialysis in a two-compartment reactor separated by an anion exchange membrane. In this work, a Neosepta AFX membrane was

  • TMS
    High Grade Matte Production with Oxygen Enrichment by the Outokumpu Flash Smelting Method

    By Sepp Härkki

    The energy crisis in Finland after World War I1 together with a sharp rise in the price of energy caused Outokumpu Oy to consider replacing the electric furnace smelting of copper concentrates by some

    Jan 1, 1976

  • TMS
    Model Studies of Drop Reactions with Gas Evolution

    By D. K. Panda

    The behavior of single drops with gas evolution at the interface is of interest because this is one of the important reactions that occur in oxygen steelmaking vessels, where a large amount of iron-ca

    Jan 1, 1994

  • TMS
    Process-Measurements of Present Copper Smelting in Japan

    By Ryokichi Shimpo, Akio Fuwa

    "The process-measurements of copper smelters in Japan were investigated for the summary of the latest technique and for the fundamental study of process control. The smelters investigated are those em

    Jan 1, 1989

  • TMS
    The Influence Of Reverb Slag Composition on Copper Losses

    By Natasa Mitevska

    The statistical analysis of the slag composition influence on copper losses to discard slag in the reverberatory furnaces No.1 and No.2 in the RTB BOR, Copper Smelter and Refinery (Yugoslavia) is pres

    Jan 1, 2003

  • TMS
    Solid, Solution Reactions in the Hydrothermal Enrichment of Chalcopyrite at Elevated Temperatures

    By Ray D. Peterson

    The hydrothermal enrichment of chalcopyrite by CuSO, occurs in the absence of oxidizing or reducing reagants. Kinetics of the enrichment process were determined under autoclave conditions in the tempe

    Jan 1, 1994

  • TMS
    A Minimum Pollution, Low-Energy Pyrometallurgical Process for Treating Chalcopyrite Concentrates

    By William R. Opie

    Considerable effort by extractive metallurgical research organizations has been devoted recently to developing pollution-free processes for treating copper sulfide concentrates. A number of hydrometal

    Jan 1, 1976

  • TMS
    Activities Of Bi And In In The Bi-In Liquid Alloy Measured By Using Vacuum-Sealed Quartz CelV Atomic Absorption Spectrophotometer Combination (Invited)

    By Shigeatsu Nakazawa

    Activities of Bi and In in the Bi-In liquid alloy were measured over the whole range of composition at the temperatures from 850K to 1050K. An alloy was vacuum-sealed in a quartz cell and heated at th

    Jan 1, 2003

  • TMS
    Activities Of Bi And In In The Bi-In Liquid Alloy Measured By Using Vacuum-Sealed Quartz Cell / Atomic Absorption Spectrophotometer Combination (Invited)

    By Shigeatsu Nakazawa

    Activities of Bi and In in the Bi-In liquid alloy were measured over the whole range of eomposition at the temperatures from 850K to 1050K. An alloy was vaeuum-sealed in a quartz cell and heated at th

    Jan 1, 2003

  • TMS
    Developments in Integrated Furnace Controls to Enhance Furnace Operation and Crucible Integrity in Shielded-Arc Laterite Smelting

    By Stober, Frank Allan

    The paper describes the development of components in an lntegrated Furnace Control system for shielded-arc smelting focusing on operation and crucible integrity enhancement. The paper reviews the mech

    Jan 1, 2004

  • TMS
    Reduction of Single Zinc Calcine Pellets

    By E. M. Weenink

    A proposed alternative to the conventional zinc extraction processes is the flash reduction of zinc calcines. As part of an overall study of this process, the kinetics of single zinc oxide pellets wer

    Jan 1, 1992

  • TMS
    Falcondo Revisited

    By Edwin de Jesús Deveaux

    After 32 years of operations beneficiating lateritic nickel ore in a fully integrated pyrometallurgical complex, Falconbridge Dominicana (FALCONDO), situated at Bonao and La Vega Provinces, Dominican

    Jan 1, 2004

  • TMS
    Desulphurisation of High-Grade Nickel Matte from Kalgoorlie Nickel Smelter Using Ausmelt Technology

    By B. R. Baldock

    The converting of high-grade nickel matte for production of low-sulphur matte or nickel metal is a process which has eluded metallurgists in the past because of the limitations of conventional convert

    Jan 1, 1993

  • TMS
    A Computational and Experimental Study of the Fluid Flow in Weld Pools

    By R. E. Sundell, S. M. Correa

    "A mathematical model is developed for the fluid flow in tungsten-inert gas weld pools. The fluid is taken to be incompressible, viscous, electrically conducting, and confined within a pool of specifi

    Jan 1, 1986

  • TMS
    Estimation of Viscosities of Multi-Component Melts at High Temperatures

    By S. Seetharaman

    A mathematical model has been developed to evaluate the viscosities of melts at high temperatures. The viscous flow in liquid is described by the equation, {n = Aexp(AG*/RT)} based on the absolute rea

    Jan 1, 1994

  • TMS
    The Operation Of The Inco Flash Furnace Uptake: Combustion OfH2S And Formation Of Uptake Buildup

    By J. Lui

    The 15m high Inco flash furnace uptake was designed as a reaction chamber with the objective of destroying the H2S contained in the furnace off-gas by combustion with oxygen at about 1300?C. Until rec

    Jan 1, 2003

  • TMS
    Treatment Of Steel Industry Wastes With Magnetic Hydrocyclones

    By Charles H. Rawlins

    Reported is work done on processing of steel mill effluents in the areas of dewatering and separation. Much of the waste from these operations is in the form of sludges from scrubbers, in which the pr

    Jan 1, 1994