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Smelting of nickel and vanadium wastes to produce green steel
By D Lalor, N Goodman
The increasing demand for batteries is resulting in the development of large-scale projects for the production of key battery metals such as nickel and vanadium. Several of these projects plan to extr
Sep 18, 2023
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Roasting of Auriferous Pyrite Concentrates
By F. J. Arriagada
Where gold is present in a finely disseminated form within sulfide particles, the porosity and surface area of the calcined material strongly influence leaching since they control the penetration of s
Jan 1, 1982
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Capacity and Product Quality Optimization of the Syama Roaster
By T. Kerr, C. Mattich, J. Wilson
"In refractory gold concentrates, gold is occluded in sulphide minerals preventing efficient cyanide leaching. Hence, roasting is used to oxidize sulphur and organic carbon, the latter being necessary
Jan 1, 2017
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OFR-101-80 Environmental Assessment Of In Situ Mining
By Dennis R. Kasper
This study evaluates selective environmental impacts of two distinct in situ mining techniques. In situ leaching of uranium, porphyry copper and native copper and in situ borehole (slurry) mining of u
Jan 1, 1979
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Characterizing REEs in Alaskan Coal and Ash
By T. Gupta, T. Ghosh
"In recent years, the demand for Rare Earth Elements (REE) have grown rapidly due to increasing demand and global supply shortage. The supply deficit of these critical elements has encouraged the sear
Jan 1, 2016
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IC 9143 Bureau Of Mines Cost Estimating System Handbook (In Two Parts) 2. Mineral Processing
This Bureau of Mines report and its companion report (Information Circular 9142) have been prepared to assist in the preparation of prefeasibility type estimates for capital and operating costs of ben
Jan 1, 1987
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RI 5771 Laboratory Concentration Of Seven Titanium-Bearing Ores Of The Pacific Northwest ? Introduction And Summary
By J. W. Town
As part of the Federal Bureau of Mines titanium resources examination program, samples from seven deposits in the Pacific Northwest were tested for amenability to various beneficiation techniques. The
Jan 1, 1961
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RI 4140 Concentration of Oxide Manganese Ores from the Vicinity of Long Valley, Coconino County, Ariz.
By C. H. Schack, A. O. Ipsen, H. G. Poole
"INTRODUCTION In the course of the investigation of manganese mineral occurrences in continental United States, the Bureau of Mines has collected several lots of ore from properties in the vicinity of
Nov 1, 1947
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Critical Aspects of Low Grade Ore Beneficiation
"Beneficiation of low grade ores is the process of increasing the grade of a mineral through unit operations that remove and separate the waste (or gangue) material from the valuable mineral that can
Jan 1, 2012
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Mining And The Environmental Impact Statement: Guidelines For Baseline Studies
By R. C. Berry
The Environmental Impact Statement (EIS) has become a routine requirement for mining operations on federal lands. A similar document is being required in developing countries. Baseline studies are nee
Jan 1, 1999
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IC 6555 Milling Methods At The Concentrator Of The Walker Mining Co., Walkermine, California ? Introduction
By M. R. McKenzie
This paper describing the milling methods at the Walkermine concentrator, Plumas County, Calif., is one of a series being prepared by the United States Bureau of Mines on milling methods and costs in
Jan 1, 1932
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New Developments At Homestake's Bulldog Mountain Carbon-In-Pulp Silver Plant
By Richard Kunter
INTRODUCTION Additional work has been done on the CIP circuit at Creede, and a brief description of this work is presented in this paper. DREDGE The original dredge for the Bulldog was bui
Jan 1, 1983
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Modeling floatability components for liberated and composite particles
By Trevor Saldanha, Stephen Grano
A key uncertainty in flotation modelling is determining, a priori, the proportion of each mineral which will develop a certain rate constant for different feeds of variable liberation and hydrophobici
Jan 1, 2014
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Guidelines for the Design of Rope Guides
Rope guides, consisting of ropes spanning between anchor points at the top and bottom of shafts, have frequently been considered as a viable alternative to fixed guides, comprising buntons and guides.
Jan 1, 2005
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RI 4985 Concentration Tests Of Manganese Ores ? Introduction And Summary
By A. L. Engel
This report is a compilation of results of preliminary concentration tests of seven manganese-ore samples. Six of the seven samples were submitted through the Mining Division, and 1 from Mexico was su
Jan 1, 1953
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Development, Design, and Installation of Climax's Tin Upgrading Circuit
By R. M. Rowe, T. E. Irwin
A flowsheet was developed for upgrading Climax tin concentrate to about 45 percent Sn. Bench-scale test work conducted at AMAX Extractive Research and Development, Inc., was used to design a multiple-
Jan 1, 1986
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Mineral Dressing Studies Of Municipal Incinerator. Flyash
By William F. Lawrence
Due to the immense volumes of municipal wastes that are generated in this nation every year, it has become imperative that effective measures be developed to utilize all or portions of these materials
Jan 1, 1971
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Pre-concentration – more than bulk ore sorting
By P Holtham, K Duffy, L Pyle, W Valery
The mining industry is becoming increasingly focused on pre-concentration due to its potential economic and environmental benefits, particularly for the more complex, low-grade, high throughput operat
Aug 24, 2022
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RI 6126 Use Of A Large-Diameter Reactor In Synthesizing Pipeline Gas And Gasoline By The Hot-Gas-Recycle Process
By A. J. Forney
The hot-gas-recycle process, for the hydrogenation of carbon monoxide, was investigated in a 12-inch-diameter reactor. Initially because the distribution of gas was poor, hotspots developed in the cat
Jan 1, 1962
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Iron Ore - Mineral Processing Overview
Iron Ore - Mineral Processing Overview Several years of iron ore price increases, coupled with a period of strong global demand for raw materials, presented iron and steel producers with unprecedente
Sep 13, 2010