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Processing of Grinding Waste of Rhenium-Containing Alloys to Manufacture Commercial-Grade Metals
By E. I. Gedgagov, A. V. Tarasov, V. M. Paretsky, A. D. Besser
"Hydrometallurgical technology and equipment have been developed in the Gintsvetmet Institute (Moscow, Russia) for processing of rhenium-containing alloys waste to produce commercial- grade metal prod
Jan 1, 2008
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Development of an Audit Procedure to Diagnose the MOP Flotation Circuit at SQM Chile
By Carlos F. Perucca, Maria Virginia Ramírez A.
"Chile based SQM S.A., exploits potassium chloride rich salts at the Salar de Atacama, in northern Chile. The process includes the solar evaporation of natural brines existing in the Salar salt bed, f
Jan 1, 2004
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Reducing the iron content of kaolin from Milos, Greece, by a hydrometallurgical process
By S. G. Tsimas, A. K. Moutsatsou, G. K. Parissakis, M. A. Komiotou
For Greek kaolin producers, a considerable proportion of whose output is from deposits containing more than 4 wt% Fe2O3, the colouring resulting from iron oxide impurity represents a serious problem t
Aug 1, 1995
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Explosive Destruction of an Underground Reinforced Concrete Bunker – Computer Hydrocode Simulation
By Dale Preece
A carefully designed and controlled in-place destruction experiment was performed on a concrete bunker buried in 4.27 m (14 ft.) of soil. The objective was to determine if the explosive charges would
Jan 1, 2006
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The new mineral sands plant of the 3rd Millennium…How difficult-to-treat feedstocks can get a new lease on life
By J. M. Elder, W. S. Kow
Challenges to new heavy mineral deposit developments are presented. These include land use issues, particle fineness, declining grades, and particle coating, amongst others. Industry responses to thes
Jan 1, 2005
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The Seven Steps To Foundation Retrofit
By Javier Rodriguez
Adaptive re-use of existing structures in urban environments has become very common due to lack of available space in our cities and requirements for increased structural capacity. Often, it involves
Jan 1, 2006
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New 40Ar/39Ar Dates of Adularia from Epithermal Deposits in the Hauraki Goldfield, New Zealand
By C Hall, J L. Mauk
New 40Ar/39Ar dates of vein and wall rock adularia from seven epithermal deposits and one porphyry copper prospect help constrain the ages of mineralisation in the Hauraki Goldfield. Vein adularia fro
Jan 1, 2005
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"Value Engineering" In United States Of America
By Maral Papazian Bedian
Construction contracts in the USA contain the clause "Value Engineering" ? an interesting and curious clause allowing contractor initiated design changes. Misleading is the interpretation of value eng
Jan 1, 2002
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An effective face support system to minimize rockfalls - Synopsis
By N. D. L. Burger
An effective prototype face support system to minimize rockfalls in rockfall-prone mines was developed and patented during a project sponsored by the Mine Health and Safety Council (MHSC). An experime
Jan 1, 2008
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RI 4822 Processes For Recovering Vanadium From Western Phosphates
By Lloyd H. Banning
Crucible-smelting tests at the Northwest. Electrodevelopment Laboratory and a pilot-plant test on electric smelting of western phosphate rock for the Westvaco Chlorine Products by the Tennessee Valley
Jan 1, 1951
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Geological Mapping into the 21st Century: QMAP and GIS
By I M. Turnbull
QMAP (the Quarter Million Mapping Programme, 1:250 000 scale) is a geological mapping programme which will build a digital geological database of the whole country and publish maps and books to docume
Jan 1, 1997
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The borehole monitoring experiment: field measurements of reservoir conditions and responses in longwall panel overburden during active mining
By S. J. Schatzel
In order to better understand the effects of longwall mining on the methane reservoir overlying the panel, the National Institute for Occupational Safety and Health/Pittsburgh Research Laboratory (NIO
Jan 1, 2009
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IC 8580 Materials Handling Research: The Bucket-Wheel Excavator
By G. C. Price
This study traces the development of the bucket-wheel excavator, points out the differences in the German- and American-type wheels, and gives the major design criteria and the advantages and disadvan
Jan 1, 1973
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Bibliography Of Petroleum And Allied Substances 1922 And 1923 - Introduction
By H. Britton
This bulletin is the seventh in the series of petroleum bibliographies published by the Bureau of Mines, Bulletins 149, 165, 180, 189, 216, and 220 being compilations for the years 1915, 1916, 1917, 1
Jan 1, 1929
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Back Caving Mechanism and Preventive Measures for Deep Open Stopes ? Case Studies
By Jerry Ran
Stope back caving in a mine using open stope mining interrupts the planned mining sequence and causes oversize muck and dilution with adverse economic implications. As many underground mines are minin
May 1, 2004
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RI 3902 Investigation of Lost River Tin Deposit, Seward Peninsula, Alaska
By H. E. Heide
"Before the war, the United States was the world’s leading consumer of tin, the industrial applications of which had become widespread. Domestic production was negligible, and requirements were met al
Jul 1, 1946
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Industrial Minerals 2004 - Kaolin
By R. L. Virta
Twenty-three companies mined kaolin in nine States in 2004. Production was estimated to be 7.6 Mt (8.3 million st) valued at $912 million, based on preliminary data. This was a slight decrease from
Jan 1, 2005
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Presidential Address (f9446de2-f07b-4880-8e2a-dc5f91667a36)
Mr. BRADFORD said :-On assuming this chair, which has been occupied by so many gentlemen of conspicuous ability; my first words must be an expression of the gratitude I feel for the honour you have do
Jan 1, 1926
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Use of magnetic anistropy sensor for measurement of stresses on steel support and its potential
By H. Sekimoto, T. Matsuoka, K. Yasuhara, M. Ota, S. Akutagawa
A magnetic anisotropy sensor is used for nondestructive measurement of stress on surfaces of a ferromagnetic material, such as steel. The sensor is built on the principle of the magneto-strictive effe
Jan 1, 2003
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Permian and Mesozoic Tectonic and Structural Events in the Bowen and Surat Basins and New England Orogen, Southwest Pacific Rim
By J M. Totterdell
The Permian-Triassic Bowen Basin and the Jurassic-Cretaceous Surat Basin evolved in a backarc tectonic setting behind an active convergent plate margin in eastern Gondwana. Several extensional (Early
Jan 1, 1995