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Respirable Crystalline Silica Dust—Practical Impacts and Solutions in Tunnelling - RETC2021
By Rainer Antretter
While respirable crystalline silica (RCS) dust that arises in industrial production mostly emanates from point sources and can be well mitigated, the extraction of dust is much more difficult in under
Jun 13, 2021
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Controlling Dust Emissions At Belt Conveyor Transfer Points
By Joseph M. Morrison
This paper offers a comprehensive solution to the problem of dust emissions at belt conveyor transfer points. It discusses details of enclosure design and presents a straightforward procedure for calc
Jan 1, 1970
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Heavy Metal Sorption With Clinoptilolite Zeolite: Soil And Water Treatment Alternatives
By D. Leppert
Clinoptilolite zeolite may offer attractive, cost-effective alternatives for remedial cleanup of old minesites, smelters and other sites with heavy metal contamination. Previous research demonstrates
Jan 1, 1989
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Trace Element Content and Partition in Apatite Group Minerals in Phosphate Ore from Catalão, Brazil (Mining, Metallurgy & Exploration)
By ANGELA NAIR AVELAR, Reiner Neumann, PAULO R. G. BRANDÃO
The understanding of the influence of the different types of apatite on the performance of mineral processing of igneous phosphate ores is still a challenge due to the difficulty to explain why some t
Jan 31, 2022
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Hydrocyclone Modelling: Large Eddy Simulation CFD Approach
By Jose A. Delgadillo
The hydrocyclone problem has been a challenging task for the last 30 years. In the 80’s and 90’s Computational Fluid Dynamics solution to this problem began to appear. These were unsuccessful due to o
Jan 1, 2005
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Simulation of operating risk in mine feasibility studies - SME Transactions 2011
By S. Kenzap, V. Kazakidis
Risk assessment is an essential component of mine feasibility studies. However, it is often challenging to identify the appropriate analysis and derive the required input data. The uniqueness of a min
Jan 1, 2011
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New Cutter Soil Mixing (CSM) Technology Used To Construct Microtunneling Shafts For Mokelumne River Crossing
By Matthew Wallin
A part of the East Bay Municipal Utility District?s Folsom South Canal Connection Project, 430 feet of raw water pipe was installed using micro tunneling beneath the Mokelumne River. The access shafts
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Mineral Processors Play in the Mud While Digging Deeper for Solutions
By Chee Theng
"Getting minerals out of ores is messy, but mineral processors learn to have fun with it. Celebrating the innate joys of the industry was the theme of this year’s Colorado MPD Conference. At the same
Jul 1, 2019
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Large Hydrostatic Trunnion Bearing Design Revisited
By R. L. Guerguerian
Hydrostatic trunnion bearings were recently provided on large Semi-Autogenous Grinding (SAG) mills driven by wraparound motors assembled on the head to shell flanges. A conventional SAG mill would hav
Jan 1, 1992
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Team Organization in the Mining Industry
By David M. Spatz
The way people interact, collaborate, learn and improve can have a profound impact on a company’s efficiency, performance, productivity and return on investment. This is the motive behind corporate e
Jan 1, 2000
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Selective Removal of Mercury Using Zinc Sul?de
By K. L. Gabby
Selective removal of mercury from cyanide leaching solutions while retaining silver has been a long-standing problem, due to the chemical similarity of mercury and silver. In order to be practical, a
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Getting The Most Saleable Product From Gravity Based Coal/Mineral Preparation Plants
By J. W. Leonard
Gravity based coal/mineral preparation plants must be operated to yield products of a quality satisfactory to existing markets; but, because of historic control problems, recovery is frequently sacrif
Jan 1, 1991
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Selective Flotation of Quartz from Hematite by Amide‑Amine: Fundamental Studies - Mining, Metallurgy & Exploration (2021)
By Rosa Malena Fernandes Lima, Kerollan da Silva Ramos, Joyce de Assis Silva, Geriane Macedo Rocha
This study evaluated the effects of collector type amide-amine compared with those of conventional etheramine acetate (both cationic collectors) on the surface properties of quartz and hematite. An ex
Jul 30, 2021
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Caterpillar Moves Forward With F Series Mining Trucks
The largest investment in mining equipment in Caterpillar?s history ? The F series mechanical and electrical drive trucks ? is rapidly advancing. Caterpillar showcased the 793F and 797F mechanical dr
Jan 1, 2009
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The Nevada Barite Industry Today
By K. E. Laughery
The Nevada Barite industry has experienced a 277% growth over the last five years with a total production of 2,542,000 tons. Total production prior to 1970 approximates 2,700,000 tons dating back to 1
Jan 1, 1976
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The Dissolution Behavior Of Gold In Ammoniacal Solutions At 75°C
By R. DasGupta
The dissolution behavior of gold in ammoniacal solutions at 75°C has been investigated. The variables investigated include concentration of lixiviants, pH of the solution and various oxidants. The ano
Jan 1, 1996
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Automatic Landslide Monitoring Using Terrestrial-Based Static Lidar
By M. Leslar
Slope monitoring has been an important issue in static terrestrial lidar for some time. Several solutions for monitoring the progress of a slide have been devised over the years. All of these solution
Feb 27, 2013
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Conventional Tunneling Challenges in the Himalayas: A Case Study
By Sharanappa Yalal, Rakesh Kumar Khali
"Himalayan geology poses the most challenging ground conditions almost anywhere in the world, one of the reasons thereof is their evolution as the youngest mountain chains. They are demonstratively ri
Jan 1, 2016
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A Precipitation‑Adsorption Technique for the Removal of Fluoride and Phosphate in Phosphogypsum: an Economical and Green Method
By Zibo An, Yong Hu, Hao Zhang, Hong Cao, Jun Xue, Zhen Luo
Phosphogypsum (PG) is a by-product of solid waste produced by the phosphate chemical industry. Owing to large emissions and massive storage issues, it causes a potential threat to our environment. Her
Aug 29, 2022
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Freeport-McMoRan Finds New Way To Put Waste Oil To Use
Equipment-washing facilities at Freeport-McMo-Ran?s Sierrita Mine in Arizona produce a mixture of oil and water that was difficult to dispose of easily or cheaply. However, after some changes in the f
Jan 1, 2009