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  • SME
    Fine Coal Dry Classification And Separation

    By Yuemin Zhao, Daniel Tao, Xinxi Zhang, Qingru Chen, Maoming Fan, Zhenfu Luo, Xiuxiang Tao, Guohua Yang

    Coal is currently cleaned with the minimum of size reduction, fine particle processing, recovery, and tailings disposal are major problems. Adequate water resources are not always available. For examp

    Jan 1, 2005

  • SME
    A Mathematical Programming Model For Open Pit Short-Term Production Scheduling

    In this paper, a mixed integer linear programming (MILP) model for the short-term scheduling of open pit mines is formulated. The proposed model aims at sequencing the blocks extraction over multiple

    Jan 1, 2011

  • SME
    A New Semi-Dynamic Model Of A Flotation Plant ? Introduction

    By R. E. Hamilton

    It is more than ten years since the first fully automated process using a computer started operation. Computer control has become common in a number of process industries, yet in spite of the tremendo

    Jan 1, 1968

  • SME
    Using Geometallurgical Models To Aid In Metallurgical Testwork For Pre-Feasibility Projects, La Colosa, Colombia

    The La Colosa, Colombia porphyry gold deposit is currently in the pre-feasibility stage. This large deposit has many types of gold mineralization: native gold, electrum, and tellurides. These variatio

    Feb 27, 2013

  • SME
    Methane Explosion Modeling In The Sago Mine - Preprint 09-092

    By W. McMahon

    Following the Sago Mine accident, the Mine Safety and Health Administration (MSHA) asked the U.S. Army Engineer Research and Development Center to study several possible methane explosion scenarios in

    Jan 1, 2009

  • SME
    Advanced Surface Enhancement Technology For Decreasing Wear And Corrosion Of Equipment Used For Mineral Processing

    By Chaoxun Zhao, Daniel Tao, Craig Blue, Narendra B. Dahotre, Rick Honaker, Bhupendra K. Parekh, Hongyang Han

    Equipment wear and corrosion have significant adverse impacts on the operating cost and efficiency of mineral processing plants. In this project advanced surface enhancement technologies are being in

    Jan 1, 2005

  • SME
    Coal Quality And Resources In The Us Gulf Coastal Plain

    By J. C. Willett, J. R. Sanfilipo, P. D. Warwick

    The U.S. Geological Survey has conducted an assessment of the Nation’s coal deposits that potentially could be mined during the next 30 or more years. For the Gulf Coastal Plain region, the assessmen

    Jan 1, 2001

  • SME
    Overcoming local conflicts and production needs related to mining. Social impact assessment and local participation

    By G. Balletto, C. Furcas

    "The mineral raw materials industry is a key-component of the Gross Domestic Product of industrialised economies, closely related to both the building and the industrial sectors. Despite this, at loca

    Jan 1, 2011

  • SME
    Coal Review

    By F. Freme

    Coal production in the United States in 2007 totaled 1.03 Gt (1,145.6 million st), according to preliminary data from the Energy Information Administration (EIA) (Ta-ble 1). This is a decrease of 1.5

    Jan 1, 2008

  • SME
    On-Line Imaging Of Aggregates For Process Control

    By Michael Taylor, Thomas W. BoBo

    Currently two of the most important characteristics of construction aggregates are (a) the particle size distribution (psd) and (b) the “shape” of the aggregate particles. The long established test me

    Jan 1, 2005

  • SME
    MADIQ Tunnel, Lebanon: TBM Tunneling Vs. Karst Geology

    By William D. Leech

    Lebanon used a TBM for the firsttime to excavate a tunnel in the country. A main beam TBM, built in 1979, bored the 3.8 m (12.5-ft) diameter by 4,020 m (2.5-miles) Madiq Tunnel. The TBM bored through

  • SME
    Finding Added Value At Newmont Through Large-Scale Mining Sequence, Cutoff Grade And Process Optimization Using Mixed Integer Linear Programming

    By L. Clark

    Despite near-record commodity prices, the mining industry continues to search for ways to maintain profits in these times of steadily increasing energy prices and steadily decreasing grades. The pres

    Jan 1, 2007

  • SME
    Managing The Drill And Blast Process

    By L. W. Berry

    Drill and blast planning is critical to successful mine production, both in timing and in results. However, typical planning, reporting, and information exchange usually involves large quantities of d

    Jan 1, 2011

  • SME
    SAG Mill Pilot Testing Of A High-Clay Silver Ore At Gumuskoy, Turkey

    By A. C. T. Bigg, Y. Kocak, N. K. Bodur

    The Gumuskoy silver mine, owned by the Etibank, in the province of Kutahya, Turkey, has been operating since 1987 with primary, secondary and tertiary crushers, and two parallel single stage ball mill

    Jan 1, 2000

  • SME
    Project Delivery Models and Risk Allocation for Whole Life Tunnel Management

    By D. Caiden, C. S. Covil, P. J. Chamley

    The paper describes the background to alternative delivery models, drawing on international experience, and introduces Project Alliancing/Contract Partnering, common risks and risk sharing on tunnel p

    Jan 1, 2005

  • SME
    61st Iteration of MINExpo Upbeat, Optimistic

    By Tim O’Neil

    “America’s mining industry brings good jobs to communities across America and provides the energy, minerals and equipment that are vital to our economic security and our way of life.” That was the

    Jan 1, 2004

  • SME
    Nacimiento Lake Tap

    By Clay Haynes

    In 2005, Black & Veatch Corporation began designing a raw water conveyance system for San Luis Obispo County from Lake Nacimiento to the city of San Luis Obispo. The first element of the water transfe

    Jan 1, 2008

  • SME
    Project and Mining Geology

    By Donald A. Ranta

    Every mineral project or mine is based on a geologic entity-an ore (mineral) deposit. A well-defined mineral deposit and its associated geologic characteristics are the only aspects of a project that

    Jan 1, 2008

  • SME
    Skill, Talent and Future Leaders in a Candidate-Deficient Market

    By Leigh Freeman

    This article provides an overview for a series of leadership development workshops offered through the SME Young Leaders Program. The first of these workshops, “Accelerated Development Plan,” will be

    Jan 1, 2006

  • SME
    Algorithms for Parametrizing Reserves under Different Geometrical Constraints - Introduction

    The technical parametrization of reserves is a technique which has made an important contribution to the definition and the calculation of optimal mining projects. Its applications to a new open-pit o

    Jan 1, 1982