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Electro-Biochemical Reactor (EBR) Technology for Selenium Removal From British Columbia?s Coal-Mining Wastewaters
By A. Opara
The weathering of coal mine waste rock releases iron, calcium, sulfate and associated trace elements like selenium [Se], which are introduced to seepage waters. Nitrogen species, such as nitrate and a
Feb 23, 2014
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Ball Mill Classification System Optimization through Functional Performance Modeling (0cd38fa2-0cf1-4ba9-9664-36a9951db684)
By O. M. Arafat, J. A. Finch
Since its development, the functional performance equation for ball milling (McIvor, 1988) has facilitated a new understanding of industrial circuit cause and effect relationships, leading to signific
Jan 11, 2017
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The North American Gold Mines: Operating Costs
By Anthony W. Garson
Good morning, ladies and gentlemen: It is a pleasure to be here this morning as a representative of Dean Witter Reynolds; one of the foremost international investment firms in North America. My co
Jan 1, 1984
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RETC 2019 Full Proceedings - RETC2019
By CHRISTOPHER D. HEBERT, SCOTT W. HOFFMAN
All Rights Reserved. Printed in the United States of America. Information contained in this work has been obtained by SME, Inc. from sources believed to be reliable. However, neither SME nor its autho
Dec 1, 2019
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Toxic effects of deep-sea mining - can we apply shallow-water standard toxicity test protocols to the deep sea?
By Marina Carreiro-Silva, Cátia Cardoso, Bruce Shillito, Lisa Mevenkamp, Alastair Brown, Maria J. Bebianno, Juliette Ravaux, Inês Martins, Nélia C. Mestre, S. Sousa Vânia
Mineral extraction activities in the deep sea will expose the local fauna to potentially toxic compounds. However, very few data are currently available on the complex ecotoxicological risks to deep-s
Sep 1, 2014
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An Overview Of Surface Coal Mining In China
By Jerry C. Tien
In 2009 China mined 2.695 billion metric tones (Gt) of raw coal. It is estimated that only 3-5% or roughly 135 million metric tones (Mt) of these were mined from 300 some surface operations. Except fo
Jan 1, 2012
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Synthetic aperture sonar as a tool for rapid high resolution deposit estimation
By Rolf Birger Pedersen, Alden Ross Denny
"Synthetic Aperature Sonar (SAS) is a powerful tool for ultra-high resolution marine survey. The Kongsberg HiSAS system deployed on the HUGIN AUV has a rangeindependent resolution of 3x3 cm for sonar
Sep 1, 2014
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Integration Of Real-Time Survey, Mine Planning Software, GIS & Machine Control GPS For Mining Operations Management
By Barry A. Hillman
The rapid evolution of computer and field sensor technology is now providing the ability to integrate mine and office operations. Digital maps and mine plans as well as CAD and GIS can be transferred
Jan 1, 1998
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The Genesis And Occurrence Of Tertiary Phosphorites In The Southeastern United States (af9093ee-f3c1-4dab-963a-088eb4b6b17b)
By Michael E. Zellars
The distribution of phosphate in Pliocene-Miocene deposits of the Southeastern United States was controlled by the prevailing geologic setting. For each basin a unique set of conditions in terms of re
Jan 1, 1978
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Underground Mining: Comparison of Methods
By Stephen A. Orr
Underground mining is a dynamic art and science with a diverse set of design, production, and economic criteria that must be considered before selecting an optimal method to extract the ore. While all
Jan 1, 2008
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Bulk Handling Technology; Designing for the Future by Innovating the Present
By R. Todd Swinderman
"Higher production demands across all bulk handling segments require increased efficiency at the lowest cost of operation, in the safest and most effective manner possible. As conveyor systems become
Jan 7, 2017
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New Technology In Shaft Sinking The Craig Project (881ea9c2-d5ae-480c-bdfb-c660ed52f398)
By W. R. Dengler
Dynatec Mining Limited contracted to sink a lS00 metre (4960 ft.) concrete lined shaft for Falconbridge Nickel Mines in Sudbury, Ontario, Canada. The shaft is 6.3 metres (20.S ft.) in diameter inside
Jan 1, 1992
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Meerschaum Mining Activities in Eskisehir, Turkiye - SME Annual Meeting 2025
By Mahmut Yavuz
to in Old Uighur Turkish as Tolay kopugu, in Ottoman Turkish as Derya kopugu, and in modern Turkish as Luletasi. Scientifically known as sepiolite, it is represented by the formula Si12Mg8O30(OH)4(H2O
Feb 1, 2025
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The Relationship Between Porphyry Copper Deposits And Post-Orogenic Volcanism
By Paul Cameron Gilmour
Geologically, as distinct from economically, "porphyry copper (molybdenum, gold, silver, etc.) deposits" might be defined as large, disseminated and/or stock-work occurrences of copper-minerals, gener
Jan 1, 1972
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Plant Design, Practice Conference Attracts Processing Specialists
By William R. Yernberg
The Mineral Processing Plant Design, Practice and Control Conference was held from Oct. 20through 24, 2002, at the Fairmont Hotel, Vancouver, British Columbia, Canada. The conference was attended by
Jan 1, 2003
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Residence Time Distribution In Single Big Industrial Flotation Cells
By J. Yianatos
The collection zone residence time distribution (RTD) of mechanical self-aerated flotation cells was characterized for liquid and solid per size class (-45 mm, +45-150 mm and +150 mm). It was found th
Jan 1, 2008
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Lithium Resources
By Ihor A. Kunasz
Lithium minerals occur predominantly in pegmatites that contain mineral assemblages derived from the crystallization of post- magmatic fluids or from the metasomatic action of residual peg- matitic fl
Jan 1, 1994
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Environmental Impacts of Deep Sea Mining: Predictive Assessment Methods
By Diane Jones, Jeremy Spearman, Tom Matthewson
Requirements for minerals are on the increase globally and the deep sea offers a potential source of essential materials. Extracting these minerals from what is considered an environmentally sensitive
Sep 1, 2014
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Impacts Of Ground Convergence On TBM Performance In Ghomroud Tunnel
By Ebrahim Farrokh
Ghomroud water conveyance tunnel project is under construction using shield Tunnel Boring Machines (TBM) for a total length in excess of 50 km. Phase 1 of the project included 36 km of tunnel divided
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Platinum experts predict demand could reach 93 t (3 million oz) despite price fluctuations
For the third successive year it appears that demand for platinum will exceed supplies of newly-mined metal, forecasts Johnson Matthey in its "Platinum 1987 Interim Review." Based on data available
Jan 2, 1988