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The Role of Conditioning Energy in Emulsion Flotation (99b0a156-5b49-41d8-9443-41bbbc826543)
The effect of conditioning energy input on the metallurgical results of an emulsion flotation process has beenattributed by previous authors to a detergency process.This paper shows that such a proces
Jan 1, 1970
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Technical Papers and Notes - Institute of Metals Division - Effect of Crystallographic Orientation and Oxygen Content on Knoop Hardness Values of Iodide Titanium
By C. Feng, C. Elbaum
Knoop hardness measurements were carried out on large grains of iodide titanium containing different amounts of oxygen. For each oxygen content the hardness is recorded ainingas a function of the crys
Jan 1, 1959
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Taharoa Minesite Plant Relocation
By P Rowe
New Zealand Steel's Taharoa titano-magnetite mine, south of Auckland, set two national load records when it transported around 2000 t of mining equipment three kilometres overland on time, under
Jan 1, 2001
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An Investigation On Underground Transport Roads And Influence On Safety And Productivity At Khutala Colliery ? Synopsis
By L. Lehasa
The purpose of the project was to investigate the challenges faced by Khutala Colliery pertaining to underground road construction and maintenance. Furthermore the influence of these challenges on pro
Jan 1, 2012
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Crinum Mine 15 Longwalls in Weak Roof What Did We Learn about Supporting the Ground?
By Dan Payne
The Crinum mine has recently completed workings in the southern area of the mine. Over the 10 years of longwall production 40 million tonnes have been extracted and the mine has experienced over 40 lo
Jan 1, 2008
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Technical Note-A Mineral Grain Finder for Polsihed Ore Samples
A mineral grain finder is described which is easily constructed to fit onto the stage of a standard reflected light ore microscope.The device is most useful in relocating particular grains or mineral
Jan 1, 1988
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RI 3002 A Study of the Properties of Texas Polyhalite Pertaining to the Extraction of Potash
By Loyal Clarke, H. H. Storch
"The discovery of large deposits of polyhalite (K2S04.MgS04.2CaSO4.2H2O) in Texas has led to an investigation of possible industrial proecsses for the extraction of potash from this material. This min
Jun 1, 1930
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IC 6653 Mining Statutes of the State of Pennsylvania
By J. A. HUFF, V. V. BAKER
This circular is intended to present in brief form the statutory provisions of Pennsylvania regarding mining operations, in force at the end of the 1931 session of the legislature. lo reference is mad
Nov 1, 1932
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Slurry Loading of Ironsand Concentrate Attaharoa
By D E. Gadd
Since October 1972, New Zealand Steel Mining Ltd has loaded around ten million tonnes of ironsand concentrate from single-point mooring buoys located off-shore at Taharoa on the west coast of the Nort
Jan 1, 1980
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Grasberg Open-Pit – Ertsberg’s Big Brother Comes Onstream in Indonesia
By Robin J. Hickson
The Grasberg copper-gold deposit was discovered in the spring of 1988, one year before the planned closure of Freeport Indonesia's original Ertsberg openpit copper mine. In spite of Grasberg&apos
Jan 1, 1991
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Demonstration Campaign Results on a Cyanide-Free Process for Gold Extraction from a Refractory Pyrite Concentrate
By A. Drouin, D. Lemieux, C. Chouinard
"A gold bearing pyrite concentrate was treated at the demonstration scale (15 t/d) for the extraction of gold using a cyanide-free process. The pyrite was depressed in the flotation circuit in order t
Jan 1, 2017
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IC 7900 Historical Summary Of Coal-Mine Explosions In The United States ? Summary
By H. B. Humphrey
[EXPLOSION of gas and dust in coal mines, have caused death t lid injure to mines, and destruction of workings in all countries where coal is mined underground. In the United Stales the first reported
Jan 1, 1959
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Evaluation of liner capacity for blast damage mitigation
By J. F. Archibald
A research effort has been undertaken, under Workplace Safety and Insurance Board of Ontario (WSIB) sponsorship, to characterize the support capabilities of conventional and innovative spray-on lining
Jan 1, 2004
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Effect Of Leaching On Permeability Of Drill Cores From A Copper Ore Body
By N. R. Sainath
This paper discusses a laboratory investigation that studied the microscale flow characteristics of copper ores and the variation in flow behavior resulting from flow of leach solution. Fractures in 4
Jan 1, 1994
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Static And Dynamic Approaches For Bearing Capacity Evaluation Of Driven Piles In Two Dry Docks Project
By N. Shariatmadari
Two dry docks are currently under construction on the northern banks of the Persian Gulf by Iran Shipyard and Offshore Industries Co. (ISOICO). The construction of these dry docks forms a huge civil o
Jan 1, 2007
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Engineering Work Leading To A Rock Tunnel Plan
By Forrest C. Neil, Clint J. Keifer
The pollution of our water supply, Lake Michigan, is a continuing threat so long as our overflows from combined sewers exist. The problems have become even more acute during recent years, due to the i
Jan 1, 1997
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Surface Mining Methods Employed in the United States Coal Fields
By Mark A. Williams
Topography and geology greatly impact the decision of how to plan and operate a surface mine. To extract coal, five primary surface mrning methods are practiced in the United States. These include con
Jan 1, 1991
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Design Procedure For Hydraulic Backfill Distribution Systems
A wide range of materials are used in hydraulic backfilling operations and the pipeline flow behaviour of these mixtures varies considerably. It is shown that despite the large differences in constitu
Jan 1, 2001
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Response of Manufactured Houses to Blast Vibrations
By Michael Mann
Two house trailers and a modem modular house, all pillar-supported with cantilevered perimeters, were monitored for structural response to vibrations from surface coal mine blasts. Due to the large bl
Jan 1, 2000
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Heterogeneity of Low-Grade Ores and Amenability to Sensor-Based Sorting
By A. Mazhary
"Although ore sorting in mining is not a new concept, sensor-based sorting has failed to gain broad acceptance due to perceived challenges with the technology. In order to gain wider applications, thi
Jan 1, 2015