Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
Comprehensive Utilization Of Zinc Leach Residues By Flotation - Reduction Roasting - Magnetic Separation Process
By Yuanbo Zhang
Zinc leach residues produced by hydrometallurgical zinc plants contain many valuable elements (zinc, iron, lead, gallium, indium silver, etc), while they have not been utilized effectively hitherto. I
Jan 1, 2006
-
Comprehensive Water Management Program For A Primary Copper Smelter
By Christine P. Viecelli
As Phelps Dodge Corporation addresses the environmental challenges of the 1990's, water management has become a key element in an overall waste minimization strategy. The Phelps Dodge Hidalgo cop
Jan 1, 1992
-
Comprendiendo el mecanismo de conminución de los rodillos de molienda de alta presión: menor costo, mayor eficiencia y selectividad
By Francisco Sotillo
El artículo da cuenta de una investigación orientada a demostrar los beneficios del mecanismo de conminución en una cama de partículas, como ocurre en los rodillos de molienda de alta presión (HPGR) o
Sep 30, 2020
-
Comprensión de datos sociales en el entorno geográfico: aplicación de la cartografía temática
By María Julia Ubillús Mellet
Los proyectos mineros relacionados con actividades extractivas requieren de exhaustivos estudios sociales, económicos y culturales del entorno donde se localizan. Sin embargo, la mayoría de estos son
Sep 12, 2005
-
Compressed Air Distribution System Fundamentals
By Henry P. Van Ormer
This paper discusses some basic fundamentals in compressed air system design and layouts that should always be considered in planning or evaluating a compressed air distribution system in Construction
Jan 1, 1975
-
Compressed Air in Cool Mines
By Marc Piard
In a cool mine, tapping high-pressure lines through reducing valves lowers the temperature beyond remedy. It is the writer's suggestion that, for low-pressure work, law-pressure air ,should be ge
Jan 1, 1926
-
Compressed Air Injection Into A Sulfide Leach Dump
By Robert P. Moodry
It was attempted to revitalize an old sulfide leach dump by increasing the oxygen content within the dump. Compressed air was introduced into the old dump. This was accomplished by drilling 300 foot a
Jan 1, 1976
-
Compressed air – Its time has come for improved efficiency
By Lanny Pasternak
"This article is directed at plant production, engineering and maintenance personnel. Seldom does any industrial operation take the time to study the costs involved in the generation of what is probab
Jan 1, 1996
-
-
-
Compressibilities And Effective Stress Coefficients For Linear Elastic Porous Solids: Lower Bounds And Results For The Case Of Randomly Distributed Spheroidal Pores
By Robert W. Zimmerman
POROUS SOLID COMPRESSIBILITIES There are four different compressibilities associated with porous solids, each relating the fractional change in either bulk volume or pore volume with the change in
Jan 1, 1982
-
Compressibility Behavior Of Tropical Peat Reinforced With Cement Column
By Y. Duraisamy
This paper presents the compressibility of tropical peat reinforced with cylindrical cement column. When a cement column installed vertically in peat, its compressibility was reduced because of the ha
Jan 1, 2007
-
Compression Experiments On Natural Magnetite Crystals At 200ºC And 400ºC At 400 MPa Confining Pressure
By Heinrich Siemes, Christa Hennig-Michaeli
The effect of temperature and orientation on the plastic behaviour of an impure titaniferous magnetite from Palabora (South Africa) has been investigated. Prismatic specimens were axially compressed a
Jan 1, 1982
-
Compression Testing of Geomembrane Soil Interfaces
By Lawrence A. Ph. D. Hansen, J. David Deatherage
Laboratory testing programs were conducted to investigate the performance under compression loading of several types of geomembranes and geotextiles proposed for use in heap and dump leach projects. S
Jan 1, 1987
-
Compression Testing Of Green And Dry Iron Ore Pellets ? Introduction
By David S. Cahn
For many years the green and dry compressive strengths' of pellets have been, considered as possible criteria of pellet performance during induration. Although widely quoted throughout the indust
Jan 1, 1967
-
Compression-Yield Roof Support Concept Using a New Yieldable Steel Prop
By Ben L. Seegmiller
The basic compression-yield concept of roof support for mine roadways requires that the mine roof be placed in a state of compressive stress. The compressive stress may be achieved using a support sys
Jan 1, 1992
-
Compressional Dewatering Of Flocculated Mineral Suspensions
By Peter J. Scales
The recovery of water for re-use in minerals processing is an important issue in the reduction of water use in mining, as is the dewatering of tailings to reduce the propensity of ?wet? tailings dams.
Sep 1, 2012
-
Compressive Behaviour of Hollow Core Micropiles in Cohesive Soil
By M. Hesham El Naggar, Osama F. E. Drbe
"Abstract: The use of micropiles has greatly increased the last twenty years, including applications involving low capacity micropile networks, seismic retrofitting, underpinning of existing foundatio
Jan 1, 2014
-
Compressive Behaviour of Reinforced Cemented Paste Backfill
By X. W. Yi, Z. J. Li, G. W. Ma
In this paper, the compressive strength and failure patterns of reinforced cemented paste backfill (CPB) were studied aiming to promote the stability of backfilled stopes. The concept of ductile backf
Jan 1, 2015
-
Compressive Properties of Porous Aluminum Alloys Having Ordered and Disordered Cell Structures
By Y. Sugiyama, K. Kitazono, T. Miura, K. Matsuo
"Impact energy absorbing system for automotive is an important technology. Open-cell porous aluminum alloys were manufactured through Powder Bed Fusion (PBF) process. Compressive properties of the por
Jan 1, 2018