European Type Jaw Crusher

European Type Jaw Crusher is a new crushing machine, the jaw crusher manufacturer, after the release of traditional jaw crusher. This jaw crusher is a perfect combination of modern science and technology and the production practice, which can better satisfy the automatic production demands of vast customers.

Input Size: 0-930mm
Capacity: 12-650TPH

Materials:
Granite, marble, basalt, limestone, quartz, pebble, copper ore, iron ore.

VSI6X Series Vertical Crusher

Due to the increasing market demand for the scale, intensification, energy conservation, environment protection and high-quality machine-made sand, a Chinese professional sand maker manufacturer, further optimizes the structure and function of traditional vertical-shaft impact crushers and launches a new generation of sand-making and reshaping machine with high efficiency and low costs --- VSI6X Series Vertical Crusher.

Input Size: 0-50mm
Capacity: 100-583TPH

Materials:
Granite, quartz, basalt, pebble, limestone, dolomite, etc.

LM Vertical Mill

High drying efficiency, Low running cost, Good environmental effect

LM Vertical Mill integrates crushing, drying, grinding, classifying and conveying together, and it is specialized in processing non-metallic minerals, pulverized coal and slag. Its coverage area is reduced by 50% compared with ball mill, and the energy consumption is saved by 30%-40% similarly.

Applications: Cement, coal, power plant desulfurization, metallurgy, chemical industry, non-metallic mineral, construction material, ceramics.

MTW Trapezium Mill

Large capacity, Low consumption, Environmental friendly

MTW European Trapezium Mill has a large market share in the grinding industry. Whether bevel gear overall drive, inner automatic thin-oil lubricating system or arc air channel, these proprietary technologies makes machine advanced, humanized and green.

Applications: Cement, coal , power plant desulfurization, metallurgy, chemical industry, non-metallic mineral, construction material, ceramics.

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Little abrasion wear, Long service life

Based on 30 years of development experience of grinding equipment, LM Heavy Industry produced LUM Series Superfine Vertical Roller Grinding Mill to make ultra-fine powder. The grinding roller doesn't contact with millstone usually, which makes abrasion little and service life longer.

Applications: Superfine dry powder of none-metal ores such as calcite, marble, limestone, coarse whiting, talc, barite and dolomite and so on.

platinum group extraction

Extraction of Platinum Group Metals IntechOpen

2018-2-21  Platinum group metals (PGMs) are a group of six elements, namely iridium (Ir), osmium (Os), platinum (Pt), palladium (Pd), rhodium (Rh) and ruthenium (Ru) [1, 2]. PGMs

Extraction and Refining of the Platinum Metals

2 天前  The platinum group metals, together with some gold, total about fifty ounces to the ton. The complete process of extraction consists essentially of enriching this matte to approximately 65 per cent content of platinum metals and then treating this

Extraction Studies in the Platinum Metals Group.

2020-10-13  platinum metals group utilizing extraction methods. Osmium and ruthenium were excluded since they are easily separated from plati­ num, palladium, rhodium and iridium as the volatile tetroxides. The distribution coefficients for platinum, palladium, rho­ dium and iridium were measured in a hydrochloric acid-sodiura chloride-

Extraction and Refining of the Platinum Metals

extraction consists essentially of enriching this matte to approximately 65 per cent content of platinum metals and then treating this concentrate with acids to separate the individual platinum group metals from each other, followed by final refining. Operations to achieve

Extraction of platinum-group metals from chloride

Literature data are given on the extraction of platinum-group metals from hydrochloric acid solutions by salts of quaternary ammonium bases, as well as the authors’ data on the binary extraction of platinum metals from chloride solutions.

Process for extraction of platinum group metals from

A process for treating chromite-bearing ores to obtain useful mineral values, especially platinum group metal, therefrom wherein the ore is separated into magnetic and non-magnetic fractions; the non-magnetic fraction, containing a substantial portion of the platinum group metals, is concentrated and smelted to produce a metal layer containing platinum group metals; and the platinum group metals are

Solvent extraction in platinum group metal processing

Solvent extraction in platinum group metal processing. Michael J. Cleare. Johnson Matthey Research Centre, Blounts Court, Sonning Common, Reading, Berkshire RG4 9NH. Search for more papers by this author. Peter Charlesworth. Matthey Rustenburg Refiners (UK) Limited, Orchard Road, Royston, Hertfordshire SG8 5HE.

Efficient Chloride Salt Extraction of Platinum Group

2018-1-3  We note that when sodium chloride alone was used as a chlorinator, platinum extraction yield was below 40% at all sintering temperatures up to 1000 °C (data not shown). The addition of ammonium chloride (15–25 wt% with respect to the catalyst material) did not have any effect on platinum extraction: it remained below 15 wt% at all sintering temperatures up to 1000 °C (data not shown).

Bioprocessing of oxidized platinum group element

2020-9-1  Platinum-group elements are polymodally distributed within the oxidized reef-type and chromitite ores, which is challenging for the recovery of PGE from these near-surface ores.

THE PRIMARY PRODUCTION OF PLATINUM GROUP

2020-1-24  Extraction and refining Extraction, concentration and refining of PGMs require complex, costly and energy-intensive processes that may take up to six months to produce refined metal from the time the first PGM-bearing ore is broken in a mine. 1 Chamber of Mines of South Africa, Annual Report 2012; figure does not include recycling.

[PDF] Extraction of Platinum Group Metals Semantic

About 80% of the worlds’ reserves for platinum group metals (PGMs) are in South Africa’s Bushveld Igneous Complex. Processing of PGM involves comminution, flotation, smelting, converting, base metals refinery and precious metals refinery. Due to increasing chrome content in the feed and the challenges associated with operating high chrome feed, alternative routes to smelting of PGM are

Commercial Processes for the Extraction of Platinum

2018-1-6  Chen J, Huang K (2006) A new technique for extraction of platinum group metals by pressure cyanidation. Hydrometallurgy 82:164–171 CrossRef Google Scholar. 14. Eksteen JJ (2011) A mechanistic model to predict matte temperatures during the smelting of UG2-rich blends of platinum group metal concentrate.

Solvent extraction in platinum group metal processing

Solvent extraction in platinum group metal processing. Michael J. Cleare. Johnson Matthey Research Centre, Blounts Court, Sonning Common, Reading, Berkshire RG4 9NH. Search for more papers by this author. Peter Charlesworth. Matthey Rustenburg Refiners (UK) Limited, Orchard Road, Royston, Hertfordshire SG8 5HE.

Process for extraction of platinum group metals from

Process for extraction of platinum group metals from chromite-bearing ore . United States Patent 4295881 . Abstract: A process for treating chromite-bearing ores to obtain useful mineral values, especially platinum group metal, therefrom wherein the ore is separated into magnetic and non-magnetic fractions; the non-magnetic fraction, containing

US4685963A Process for the extraction of platinum

A process for separating platinum group metals (PGM's) from various feedstock materials, is disclosed, wherein a plasma arc flame is employed to produce a superheated puddle on the surface of a slag layer to accelerate the association of platinum group metals with a collector material and formation of a recoverable layer of platinum group metals and collector material.

Method for the selective extraction of platinum group

The technical result of the invention is the simplification of the method of producing platinum group metals from copper and Nickel sludge, increasing the purity of metals to 99.95-of 99.98%, as well as the opportunity to obtain separate platinum group metals in a single technological cycle of processing of

Recent Research in Solvent Extraction of Platinum

Most of the refineries for platinum group metals (PGMs) in Japan have adopted solvent extraction methods for mutual separation of PGMs. Few effective extractants for industrial use have been found although some industrial processes were established in 1970's.

The method of extraction and purification of platinum

The invention relates to the field of chemical extraction technology of platinum metals and gold. Current chemical methods of extraction, separation and purification of platinum group metals, in particular platinum, palladium and gold is very complicated. The concentrate of platinum metals, and waste products are dissolved in Aqua Regia.

RECYCLING OF PLATINUM GROUP METALS FROM

2012-9-6  The platinum group metals (PGMs) palladium, platinum, and rhodium represent the key materials for automotive exhaust gas treatment. extraction, which concentrates the solution and allows the separation of platinum, palladium, and rhodium. The adsorption of the PGMs on an ion exchange column presents another option

Platinum group chemical element group Britannica

Extraction and refining. The separation chemistry of the platinum-group metals is among the most complex and challenging of metal separations. A brief description of procedures for isolating the platinum-group metals is set forth below, followed by descriptions of

Extraction Studies in the Platinum Metals Group.

2020-10-13  platinum metals group utilizing extraction methods. Osmium and ruthenium were excluded since they are easily separated from plati­ num, palladium, rhodium and iridium as the volatile tetroxides. The distribution coefficients for platinum, palladium, rho­ dium and iridium were measured in a hydrochloric acid-sodiura chloride-

Solvent extraction in platinum group metal processing

Solvent extraction in platinum group metal processing. Michael J. Cleare. Johnson Matthey Research Centre, Blounts Court, Sonning Common, Reading, Berkshire RG4 9NH. Search for more papers by this author. Peter Charlesworth. Matthey Rustenburg Refiners (UK) Limited, Orchard Road, Royston, Hertfordshire SG8 5HE.

Process for extraction of platinum group metals from

Process for extraction of platinum group metals from chromite-bearing ore . United States Patent 4295881 . Abstract: A process for treating chromite-bearing ores to obtain useful mineral values, especially platinum group metal, therefrom wherein the ore is separated into magnetic and non-magnetic fractions; the non-magnetic fraction, containing

Recent Research in Solvent Extraction of Platinum

Most of the refineries for platinum group metals (PGMs) in Japan have adopted solvent extraction methods for mutual separation of PGMs. Few effective extractants for industrial use have been found although some industrial processes were established in 1970's.

Direct Extraction of Platinum Group Metals from Nitric

2017-12-22  Direct extraction of platinum group metals (PGMs) from nitric acid solutions by using the phase transition phenomenon of thermoresponsive poly(N-isopropylacrylamide) (PNIPAAm) were realized.The trivalent PGMs such as rhodium and ruthenium could be extracted onto PNIPAAm gel as the dissociated cationic complexes with hydrophobic soft donor ligands by controlling just temperatures

Method for the selective extraction of platinum group

The technical result of the invention is the simplification of the method of producing platinum group metals from copper and Nickel sludge, increasing the purity of metals to 99.95-of 99.98%, as well as the opportunity to obtain separate platinum group metals in a single technological cycle of processing of

(PDF) " PLATINUM EXTRACTION AND PURIFICATION,

Platinum extraction, uses and environmental impacts. A seminar presented to Tamil Nadu Agricultural University. Review of the Application of Ion Exchange Resins for the Recovery of Platinum-Group Metals from Hydrochloric Acid Solutions. By Aleksandar Nikoloski and Kwang Loon Ang.

Highly selective separation of individual platinum

2016-6-24  An effective solvent extraction-based method has been developed to recover individual platinum group metals (PGMs) (i.e. Pd, Pt and Rh) with high purity from acidic chloride media using phosphonium-based ionic liquid Cyphos IL 101 ([P 66614] + Cl −) diluted in xylene used as a model of industrial diluents such as SOLVESSO 150.The system showed the selective co-extraction of Pd(II)

Extractive metallurgy of nickel, cobalt and platinum

2012-11-30  29. Extraction of Cobaltfrom Nickel Laterite and Sulfide Ores 365 30. Production of CobaltfromtheCopper-CobaltOres of theCentral African Copperbelt 377 Part III Extractive Metallurgy ofthe Platinum-GroupMetals 31. Platinum-GroupMetals, Production,Use and Extraction Costs 32. Overviewof the Extraction of Platinum-Group Metals 33.

How Is Platinum Extracted? Reference

2020-4-13  Platinum is an incredibly rare metal that is mined and extracted in a variety of different ways depending on the technological sophistication of the miners attempting to extract it. It is incredibly difficult to find in large pure quantities, so it needs to be

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