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Dust Control in Longwall MiningBy Harry Elkin
Control of coal dust has long been an important aspect in the conventional mining of coal; the main reasons being from a health and disaster standpoint. With the advent, of mechanized longwall mining,
Jan 1, 1967
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Potential of Tracers in Analysis and Control of Steady States in Flotation PlantsBy Antti J. Niemi
Radioisotope tracers have so far been used for extraction of residence time distributions of flotation devices. They have also been proven applicable to evaluation of rate coefficients k of industrial
Jan 1, 1990
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Column Flotation Of A Stratiform Copper Sulfide OreBy W. W. McClintock
A column flotation system was designed to conduct release analyses of a very finely disseminated, stratiform, copper ore from the Denali Copper Prospect, Alaska. Chalcopyrite is finely disseminated in
Jan 1, 1994
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Choosing a Defoamer and a Defoamer Type and the Role of Defoamer in the Operation of Industrial Processes"INTRODUCTION Foam, unless intentionally created, in any industrial process presents operational problems, or at a minimum, is a nuisance. Some foam problems are unique to a given industry and others
Jan 1, 2016
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K - Process For Dissolving GoldBy Ray Soper
Important progress has been made in developing the K-Process as an alternative to cyanide as a method of recovering gold from ores and other materials.
Jan 1, 1998
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Turning Crosscuts With Remote Control Continuous Miners -Improving SafetyBy Michael Gauna, William J. Gray, Joseph C. Zelanko
Mechanized mining in the underground coal industry has continued to evolve since the introduction of the remote control mining machine. Remote control continuous mining machines without an onboard ope
Jan 1, 2005
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Water --- Vital Raw Material In Mining And Processing Phosphate Ore - IntroductionBy L. A. Roe
The year 1867 marks the first year of commercial production of phosphate rock in the United States. South Carolina produced almost all of the domestic output of mineral phosphate until phosphate minin
Jan 1, 1962
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The Infrared Radiometric Method And Its Application To Remote Temperature Measurement ? 1. IntroductionBy George R. Mitchell
It is a common observation that objects having, different; temperatures exchange energy by radiative transfer. The quantity of radiant energy emitted by an object is a definite function of its tempera
Jan 1, 1960
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Antiscaling Reagents: Case StudiesBy James H. Nulty, Joseph S. Roti
INTRODUCTION During a recent panel discussion on the topic of millwater antiscalants, the question was posed: "What would you like to see in the future?" Answer: 'We need an antiscalant that:
Jan 1, 1986
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IS PYRRHOTITE (FES1 +x) REALLY A CYANICIDE IN CARBON-IN-PULP/LEACH CIRCUITS?By H. G. Linge
Pyrrhotite (FeS1+x ,0<x<0.15) is an iron sulfide which is considered to be a pest in carbon-in-pulp/ leach (CIP/L) gold processing [l].The perceived influence of pyrrhotite on gold processing by CIP/L
Jan 1, 1995
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Parascrew Self Unloading Barge SystemBy Harry E. Holzschuh
The two Agrico Chemical Company self unloading Phosphate Rock barges put into service in 1976 operate at over their design carrying capacity. Each barge now carries 26,000 short ton instead of the pla
Jan 1, 1983
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Bioleaching of Arsenic Bearing Refractory Gold ConcentratesBy Qiu Rongqing, Huang Kongxuan
This paper summarizes the results of treating arsenicbearing refractory gold concentrates from six gold Mines of China by using bioleaching method and discusses the conditions of bioleaching process
Jan 1, 1992
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Tactical Shut-Off Value Strategies for Panel Cave MinesBy T. Bui
The shut-off value for a panel cave mine determines when a draw point will be shut-off and mining will cease from that draw point. Using a shut-off value strategy for a panel cave mine is similar to
Feb 23, 2014
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Approach to Selecting Research and Development Investment Projects in Mining - SME Annual Meeting 2025By Antonio Nieto, Jesus Castillo
Research and Development (R&D) departments in the mining sector are essential for creating new solutions on productivity, safety, and sustainability. Nevertheless, the selection of R&D projects is com
Feb 1, 2025
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Alternative to parameterization in finding a series of maximum-metal pits for production planningBy H. Sevim
In long-term open pit production planning, a series of nested and maximum-value pits is usually generated first. These pits are then considered as possible pushbacks over a number of planning periods.
Jan 1, 1996
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In-Pit Crushing And Conveying At Highland Valley Copper (ed32fdb4-81a8-44a9-9ceb-c2871da4e7e5)By A. D. MacPhail
The Highland Valley Copper partnership was formed in July 1986 and was the logical result of a mine with a large ore reserve but no adequate mill, and a mine with a large, modem mill but dwindling ore
Jan 1, 1993
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Environmental Aspects Of ShiploadingBy Leonard Sugin
The requirements of today's and tomorrow's markets led to a new generation of facilities which handles large tonnages annually, loading them into larger vessels, at higher rates, efficiently
Jan 1, 1977
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A Case Study Of The San Miguel Lignite Mine ? IntroductionBy D. J. Rose
The San Miguel Mine is owned by San Miguel Electrical Cooperative, Inc. and operated by Atascosa Mining Company, a wholly-owned subsidiary of Morrison-Knudsen Company, Inc. This multiseam, single-zone
Jan 1, 1984
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Improving Quality Control at Alunorte Using a Process Information SystemBy J. A. Dlas Lima
Alunorte is a metallurgical-grade alumina refinery located in northern Brazil. This plant which was designed to produce 1.1 million mtpy of calcined alumina, started operation in July 1995. A proce
Jan 1, 2000
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Bivariable Planetary Cutter-Head Concept for Shaft BoringBy D. Gu
Breakage of rock by machine is one of the major methods of excavation. With the development of modern engineering techniques, the advantages of using this method have become even greater. Improving ef
Jan 1, 1995