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  • SME
    Chemical Extraction of Rare Earth Elements from Coal Ash

    By X. Zhu, Chen. L., R. Guru, M. Peiravi, M. Mohanty, L. Ackah, B. Xu

    "The overall goal of this study is to develop a suitable flow sheet to extract rare earth elements (REEs) from coal ash. A total of 14 coal samples of different ranks were examined for REE concentrati

    Jan 1, 2017

  • IMPC
    Chemical factor effects in saline and hypersaline waters in the flotation of Cu and Cu-Mo ores

    By D. R. Nagaraj, Raymond Farinato

    Water constitutes one of the most valuable resources employed in mineral recovery and processing. Identifying potential problems encountered in mineral processing in waters unusable for drinking or ag

    Jan 1, 2014

  • SME
    Chemical Fuels And Other Organometallic Compounds: Their Impact On The Mineral Industry ? I. Introduction

    By D. R. Gibbons

    This morning I would like to speak to you about an area of chemistry that is enjoying a revival-organometallic compounds. This renewed interest, principally stimulated by defense needs, has already cr

    Jan 1, 1958

  • SME
    Chemical Grinding Aids For Increasing Throughput In The Wet Grinding Of Ores

    By Richard Klimpel

    1. Introduction Laboratory and industrial grinding tests have shown that the process of size reduction can be significantly influenced by chemicals added to the powder or slurry being ground. The te

    Jan 1, 1977

  • SME
    Chemical Grouting To Control Ground Losses And Settlements On Los Angeles Metro Rail Contract A146

    By S. R. Wardwell, M. J. Robison

    INTRODUCTION The first phase of the Los Angeles Metro Rail Project consists of 7.1 km of subway and stations running through downtown Los Angeles from Union Station to MacArthur Park. Contract A146

    Jan 1, 1991

  • SME
    Chemical Grouts Influence On Mechanical Properties Of Coal ? Laboratory Research

    By K. Soucek

    Extraction of hard coal reserves, but also of mineral resources in general in the underground coal mines includes in itself many anthropogenic interventions in the earth crust. These interventions are

    Jan 1, 2006

  • CIM
    Chemical hydrogen storage for automotive applications

    By Davis. B. R.

    There are a number of hydrogen storage systems proposed for automotive applications. However, all of the current suggestions fall short of the DOE targets for storage density and volumetric density. T

    Jan 1, 2005

  • IMPC
    Chemical imaging applied to ore and processed minerals flow streams

    By Girolamo Belardi, Silvia Serranti, Giuseppe Bonifazi, Roberta Palmieri

    Ore textural and structural characterizations play a fundamental role in any preliminary study (i.e. comminution, classification, separation) addressed to the design and set up of beneficiation flow s

    Jan 1, 2014

  • TMS
    Chemical Improvement of Coal Burnt Ash and Slag for Reutilizing as Acid Gas Absorbents

    By H. Matsuda, T. Iwashita, H. Awata, H. Liwei, D. Hirabayashi, Y. Saito, S. Ozawa, Y. Goto

    "The present study is concerned with investigating the effect of chemical treatment on enhancing the HCl absorption capacities of coal burnt ash and slag. It was found that the HCl absorption capacity

    Jan 1, 2000

  • AIME
    Chemical Industry

    By Robert B. Fulton

    The use of industrial minerals by the chemical industry as raw materials for manufacturing and in processing spans a wide assortment of minerals. This chapter aims to supplement rather than duplicate

    Jan 1, 1975

  • AIME
    Chemical Industry (a8d58083-f85b-47d2-bffe-8cdcde9bafbc)

    By Robert B. Fulton

    The objective of this chapter is to discuss the interrelationship between industrial minerals and chemical manufacturing. It is intended to supplement rather than duplicate the commodity chapters. Par

    Jan 1, 1983

  • AIME
    Chemical Laboratories in Iron- and steel-works.

    By George W. Maynard

    IN the biographical notice of Thomas F. Witherbee, published in Bulletin No. 32, August, 1909 (p. xxv), it is said that ". he is believed to have been the first manager in America to use the chemical

    Nov 1, 1909

  • IMPC
    Chemical leaching influence on the floatability of oxidized polysulfide ores

    By Vladimir Vigdergauz, Elena Belogub, Dmitriy Makarov

    The influence of supergene oxidation on physicochemical and technological properties of polysulfide ores was studied. Modeling and analysis of oxidation pyrite copper-zinc ore samples from the Valento

    Jan 1, 2014

  • AUSIMM
    Chemical Leaching of Iron from Industrial Minerals

    By Falbo A, Barbaro M, Esposito MA, Passariello B

    Acidic reductive leaching is one of the best known and most widely employed chemical processes for beneficiating minerals of industrial interest. Conventional acidic leaching with sodium dithionite

    Jan 1, 1993

  • SME
    Chemical Markets For Hydrofluoric Acid ? I. Introduction

    By Wescomb R. Jones

    The United States is the world's largest producer of hydrofluoric acid (HF), with its 1971 output of 317,000 short tons representing about 40 percent of the estimated Free World production. U. S.

    Jan 1, 1973

  • CIM
    Chemical Metallurgical Plant Maintenance at Sherritt Cordon Mines, Fort Saskatchewan

    By C R. Crook

    A brief outline of production methods and processes is given to show how maintenance fits into the picture at this plant. The work force, and the tools needed to carry out this function, are then desc

    Jan 1, 1964

  • AIME
    Chemical Methods For Analyzing Rail-Steel

    By Magnus Troilius

    INTRODUCTION BY C. P. SANDBERG. SINCE the discussion On steel rails in America has forcibly drawn attention to the value of chemical analysis, if not as a necessary stipulation, at least as a guide

    Jan 1, 1882

  • SME
    Chemical Mining - Theoretical And Practical Aspects

    By Paul W. Johnson

    Chemical mining is the in situ extraction of metals from ores located within the confines of a mine (broken or fractured ore, stope fill, caved material, ores in permeable zones) or in dumps, prepared

    Jan 1, 1967

  • CIM
    Chemical Modeling in Pressure Hydrometallurgy Using OLI

    By A. Anderko, V. G. Papangelakis, G. Moldoveanu, G. Azimi, M. Carlos

    "OLI Analyzer is a software package that uses the powerful Mixed Solvent Electrolyte (MSE) model to simulate the behavior of multicomponent electrolyte solutions from infinite dilution to the limit of

    Jan 1, 2012

  • TMS
    Chemical Modeling Of Calcium Sulphate Solubility In Hydrometallurgical Process Solutions

    By G. Azimi

    Calcium sulphate precipitation, mainly as gypsum, during neutralization of acidic hydrometallurgical process solutions can lead to excessive scaling problems. In this work, a self-consistent fundamen

    Jan 1, 2006