Semantic Scholar extracted view of "The influence of particle size and collector coverage on the floatability of galena particles in natural ore" by S. Vianna et al.
view more201341 · The varied particle size distribution of uranium ore for heap leaching, with its particle sizes ranging from 0 to 9mm, is taken from a uranium mine in…
view more2022127 · In the process of flotation separation of phosphate rock, it is still of great guiding significance to study the process mineralogy of ore particles with particle size of − 1 mm or finer.
view more202241 · Zanin et al., (2021) developed a model to calculate bed porosity and apparent density for two feed specific gravities (porphyry copper ore: 2.7 kg/m 3 and hematite hosted copper ore: 3.8 kg/m 3) and particle size values (coarse: −600 + 150 µm and fine: −210 + 75 µm) through Richardson and Zaki models modified by introducing …
view more20211130 · A large portion of the energy consumed in copper concentrators is used to reduce the particle size of the feed by crushing and grinding. The cost of metal production could be reduced if low-grade particles of cm size were removed prior to further processing. Two copper sulfide ore samples (3 × 1 cm) from Arizona were analyzed by micro X-ray …
view more2018101 · Highlights • In ore sorting, reflectance values are used for separation. • Minerals have complex structures and reflectance values vary depending on contents. • A new image acquisition system was developed. • Images of complex copper ore particles were acquired with optical filters. • An alteration in reflectance values were observed.
view more2018726 · Copper concentrate grade increases from fine to middle particle size region and reaches value over 6 % Cu and then rapidly drops down to coarse particle size region, while the degree of liberation shows only decreasing in coarse particle size region.
view more201641 · Abstract The aim of this research was to apply Box–Behnken experimental design and response surface methodology (RSM) for grinding modeling of some copper sulphide ores. In the present work, the effects of some key grinding parameters such as ball size (20–40 mm), grinding time (10–30 min), solids content (65–80%), and also ore work …
view more200591 · The copper speciation in tailings from porphyry copper mining is highly dependent on the particle size. This was found investigating tailing from El Teniente copper mine near Rancagua, Chile.
view moreBased on over 30 years' experiences in design, production and service of crushing and s
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