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  • 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
    Hydrometallurgical Approaches For Selecting The Effective Recycle Process Of Spent Lithium Ion Battery

    By Jeong-Soo Sohn

    Physical treatment and chemical treatment of spent lithium-ion battery were studied in our research team. Especially we developed two types of acidic leaching for crushed powders containing LiCoO2 of

    Jan 1, 2006

  • TMS
    Hydrometallurgical Study of Purifying M-G Silicon Feedstock for Solar Cells Production

    By Jilai Xue, Jun Zhu, Yongqiang Liu

    "Up-grading silicon feedstock by removing B and metal impurities can improve process efficiency and lower production cost in metallurgical processing for solar cells production. Hydrometallurgical stu

    Jan 1, 2012

  • CIM
    Hydrometallurgy for Copper Concentrates?

    By John Dasher

    The analyses reported on in this paper indicate that there are hydrometallurgical routes from sulphide concentrates to copper that are potentially competitive with smelters which are not permitted to

    Jan 1, 1973

  • CIM
    Hydrothermal Preparation and Characterization of LiMn2O4 for LI-ION Battery Application

    By W. J. Li, L. Kong, G. L. Li, X. M. Xi, J. Qiu

    "A novel hydrothermal method was applied to prepare the precursor of LiMn2O4 using pre-treated electrolytic manganese dioxide (EMD) and lithium hydroxide as the main raw materials. The precursor was s

    Jan 1, 2012

  • SME
    HYL Direct Reduction: Past, Present And Future

    By R. Quintero

    The HYL Direct Reduction Process was the first in the world to operate successfully at industrial scale. The results were so innovative and attractive that other steelmaking companies acquired license

    Jan 1, 1998

  • NIOSH
    IC 8265 Bibliography of Investment and Operating Costs for Chemical and Petroleum Plants. January-December 1964

    By William C. Morel, Sidney Katell

    This report covers the period January 1964 through December 1964; it is a continuation of the series that began with the publica- tion of Information Circular 7516 in October 1949. Also, it is the six

    Jan 1, 1965

  • NIOSH
    IC 6107 Mining Practice At Morenci Branch, Phelps Dodge Corporation, Morenci, Ariz. ? Introduction

    By McHenry Mosier

    This paper describing mining practice at Morenci, Ariz., is one of a series of articles on mining method, and practice in the various mining districts in the United States. At present (1929) practi

    Jan 1, 1929

  • NIOSH
    IC 6122 Graphite - Part II -Domestic And Foreign Deposits ? Foreword

    By Paul M. Tyler

    Graphite occurs in many places in the United States, but previous to 1914 the domestic production amounted to only 15 to 20 per cent of the natural graphite consumed in this country. Including artific

    Jan 1, 1929

  • NIOSH
    IC 6123 Graphite - Part III - Utilization Of Graphite ? Introduction

    By Paul M. Tyler

    The outstanding trend in the graphite market is the fast-growing demand for cheaper qualities of graphite and the declining consumption of the more expensive varieties. The manufacture of graphite, cr

    Jan 1, 1929

  • NIOSH
    IC 6124 Graphite - Part IV - Status Of The American Graphite Industry ? General Statement

    By Paul M. Tyler

    Graphite is an essential war mineral and for that reason has received much attention from the standpoint of national defense. During the World War the situation with respect to graphite supplies, thou

    Jan 1, 1929

  • NIOSH
    IC 6136 Progress In Metal Mine Ventilation

    By D. Harrington

    Correct ventilation of underground workings whether in coal or in metal mines consists in establishing such control of air currents that the miners may work in safety, with maximum comfort and efficie

    Jan 1, 1929

  • NIOSH
    IC 6143 Safeguarding Electrical Equipment Used In Gassy Mines European Practice: III Germany

    By L. C. IlsLey

    Cooperation between the United States Bureau of Mines and the Safety in Mines Research Board of Great Britain, continuous since 1924, has made possible this and other papers on safety subjects. Gratef

    Jan 1, 1929

  • NIOSH
    IC 6155 Clay ? Foreword

    By Paul M. Tyler

    The technology of clay and the manufacture of ceramic products therefrom, and also the clay resources of most of the individual States, are already covered by a voluminous literature. The present resu

    Jan 1, 1929

  • NIOSH
    IC 6165 Consumption Of Tin In The United States During 1928

    By J. B. Umhau

    During 1928 the United States consumed 73,270 long tons of virgin or primary tin, which was approximately 7.5 per cent more than the 68,198 long tons con¬sumed in 1927 and equaled 41 per cent of the w

    Jan 1, 1929

  • NIOSH
    IC 6186 Mining Methods and Costs, Alaska-Juneau Gold Mining Co., Juneau, Alaska

    By P. R. Bradley

    This paper is one of a series , dealing with mining methods and costs , sponsored and published by the U. S. Bureau of Mines . Papers of this series are written by engineers and executives of mining c

    Oct 1, 1929

  • NIOSH
    IC 6267 Points to be Considered in the Design of Covers for Explosion-Proof Compartments

    By L. C. IlsLey

    One of the details which the engineers observe closely in conducting tests on explosion-proof type equipment at the Pittsburgh experiment Station of the Bureau of Mines is the construction of covers a

    May 1, 1930

  • NIOSH
    IC 6268 The Granite Industry Dimension Stone - Occurrence And Character Of Granite

    By Oliver Bowles

    Granites are classed as igneous rooks; they have been formed by the solidification of rook magmas or Solutions from deep within the earth. It is an almost invariable law of nature that mamas which coo

    Jan 1, 1930

  • NIOSH
    IC 6293 Shrinkage Stoping ? Introduction

    By Chas. F. Jackson

    During the past year a special study was made of shrinkage stoping A large number of mines in the United States and Canada which employ this method were visited and their practices were discussed with

    Jan 1, 1930

  • NIOSH
    IC 6307 Mining Methods And Costs At The Pilares Mine, Pilares De Nacozari, Sonora, Mexico ? Introduction

    By Everard Leland

    This paper, describing the mining practices at the Pilares mine, Pilares de Nacozari, Sonora, Mexico, is one of a series being prepared by the Bureau of Mines on mining practices, methods, and costs i

    Jan 1, 1930