Download Applied mineralogy in the mining industry by William Petruk PDF

By William Petruk

Innovations of appearing utilized mineralogy investigations, and purposes and features of lately built tools for measuring mineral homes are explored during this publication meant for practising utilized mineralogists, scholars in mineralogy and metallurgy, and mineral processing engineers. the advantages of utilized mineralogy are awarded through the use of in-depth utilized mineralogy experiences on base steel ores, gold ores, porphyry copper ores, iron ores and business minerals as examples. The bankruptcy on base steel ores contains a dialogue at the results of liberation, particle sizes and surfaces coatings of Pb, Cu, Fe, Ca and So4- at the recoveries of sphalerite, galena and chalcopyrite. The bankruptcy on gold discusses a number of tools of deciding upon the amounts of gold in numerous minerals, together with 'invisible' gold in pyrite and arsenopyrite, in order that a stability of the distribution of gold one of the minerals may be calculated. This publication additionally discusses the jobs of pyrite, oxygen, moisture and bacterial (thiobacillus ferrooxidans) on reactions that produce acidic drainage from tailings piles, and summarizes presently used and proposed equipment of remediation of acidic drainage.

Show description

Read or Download Applied mineralogy in the mining industry PDF

Best mineralogy books

Introduction to Planetary Science The Geological Perspective

This textbook information uncomplicated ideas of planetary technology that aid to unify the research of the sun procedure. it really is geared up in a hierarchical demeanour in order that each bankruptcy builds upon previous ones. beginning with ancient views on house exploration and the advance of the clinical technique, the e-book leads the reader throughout the sun procedure.

Carbonate Platform Systems Components and Interactions

Carbonate Platform platforms: elements and interactions is a suite of thirteen papers, plus an advent, about the results of organism-environment interactions in glossy and historical carbonate structures, coming up from the Lyell assembly on 'Organism-Environment Feedbacks in Carbonate systems and Reefs' held on the Geological Society, united kingdom.

Iceland Geodynamics: Crustal Deformation and Divergent Plate Tectonics (Springer Praxis Books Geophysical Sciences)

This e-book presents a precis of geodynamic effects from Iceland that almost immediately are present in plenty of medical articles, yet haven't been gathered prior to in a booklet. The ever expanding variety of scientists attracted to geology and geophysics of Iceland may still locate the publication a "must" to realize wisdom approximately past paintings and the prestige of information approximately Iceland.

Stone in Architecture: Properties, Durability

The weathering of old structures and, certainly, of monuments and sculptures of ordinary stone is an issue that has been encountered for centuries. despite the fact that a dramatic raise in deterioration within the constitution of our equipped background has been saw prior to now century. to appreciate the complicated interplay that the stone in a construction suffers with its close to atmosphere (the development) and the macro atmosphere (the neighborhood weather and atmospheric stipulations) calls for an interdisciplinary strategy and the appliance of many disciplines.

Extra info for Applied mineralogy in the mining industry

Sample text

5c). The results for the concentrate sample were surprising, as the measured value for the totally liberated grade was about 10 % lower than the true value. The liberation models made the data worse. Obviously poor data were obtained, probably by preparation of non-representative polished sections. Fandrich et al. (1998) tested two stereological models: allocation method and kernel transformation method, on 21 grade fractions produced from an iron oxide ore composed of hematite, magnetite and gangue which was predominantly quartz.

The effect of surface coatings on particles was studied by Kim et al. (1995) to determine why base metal concentrators that produce Cu, Pb and Zn concentrates lose some Zn to the Cu and Pb concentrates. They analysed sphalerite particles by ToF-LIMS analysis and found that some of the sphalerite particles in the Pb-Cu rougher cell were coated with slightly more lead than average sphalerite particles, and these coated sphalerite particlesfloatedand were recovered in the Pb-Cu concentrate, rather than being rejected to the Pb-Cu tails.

It is noteworthy that the measurements do not necessarily relate to distributions in the samples. 20 Lin's tests (1996) of the BOOKING and PARGEN liberation models, and the study of Fandrich et al. (1998) have shown that the liberation models: • improve the values for totally liberated and totally unliberated grains, • improve the grade distributions, • produce liberation sets that are worse than the measured liberation sets when the polished sections are not representative of the sample, which is common, despite careful sample preparation.

Download PDF sample

Rated 4.24 of 5 – based on 14 votes