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.

nihil molestiae consequatur

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.

molybdenum rhenium leaching

Selective Recovery of Molybdenum over Rhenium from

2020-11-4  Abstract:Selective solvent extraction of molybdenum over rhenium from molybdenite (MoS2) flue dust leaching solution was studied. In the present work, thermodynamic calculations of the chemical equilibria in aqueous solution were first performed, and the potential–pH diagram for the Mo–Re–SO2 4–H2O system was constructed.

Recovery of Molybdenum and Rhenium Using Selective

A study has been conducted for the separate recovery of molybdenum and rhenium from alkali leaching solution of molybdenite roasting dust by a selective precipitation method. Two kinds of synthetic alkali leaching solutions were employed and more than 85% of molybdenum

(PDF) Investigation on selective rhenium leaching

Introduction Rhenium is a less common metal, characterized calculated the activation energy for the leaching by its high melting point and its important role in of molybdenite to be 19.53 kJ/mol, and that for petrochemical, aerospace and metallurgical the rhenium to be 20.36 kJ/mol.

Recovery of Rhenium and Molybdenum from

Recovery of Rhenium and Molybdenum from Molybdenite Roasting Dust Leaching Solution by Ion Exchange Resins Sung-Ho Joo 1,2, Young-Uk Kim1, Jin-Gu Kang2, J. Rajesh Kumar,Ho-Sung Yoon 2, P. K. Parhi and Shun Myung Shin1,2,+ 1Department of Resource Recycling, University of Science & Technology (UST), Daejeon 305-350, Korea

Co-volatilizing-water leaching process for efficient

2020-3-1  Rhenium-bearing molybdenite concentrate is a typical mineral resource to recover molybdenum and rhenium, but has long been poorly utilized via oxidative roasting-leaching route.

Review of rhenium extraction and recycling

2021-1-15  The molybdenum and rhenium reacted according to reactions (3) and (4), respectively. 74% of rhenium was extracted from the lime-roasted calcine by water leaching. Zagorodnyaya et al. (2010) revealed that the formation of interphase substances during rhenium extraction from acid solutions was due to the presence of a black fine rhenium-containing precipitates in the form of insoluble sulfides

Extractive metallurgy of rhenium: a review SpringerLink

2013-2-1  Currently, there are no known primary rhenium deposits; thus, the method in which primary rhenium is produced is dependent on the commodity of which it is a byproduct, e.g., copper, molybdenum, uranium, etc. In addition, focus on the recovery of rhenium from secondary sources, such as alloy scraps and catalysts, is continually growing.

extraction of molybdenum Prominer (Shanghai)

26 Oct 2020 Abstract: Selective solvent extraction of molybdenum over rhenium from molybdenite MoS2 flue dust leaching solution was studied.

碱熔-水浸法从钼精矿焙烧烟灰中回收铼和钼-【维普期刊官网

The leaching rates of rhenium and molybdenum were 93.2% and 95.3%, respectively, when the concentration of hydrogen peroxide was 10%, leaching temperature was 70 ℃, leaching time was 2 h and liquid-solid ratio was 5: 1.

How Is Molybdenum Mined and Processed?

2019-9-5  Rhenium Recovery. Some molybdenite concentrates, a by-product from copper ore, contain small amounts of rhenium (< 0.10%). The recovery of rhenium by

Separation of rhenium from electric-oxidation

2013-7-31  The separation of rhenium from molybdenum in aqueous solution has always been a problem in hydrometallurgy. The separation of rhenium from the electro-oxidation leachate of molybdenite and its mechanism were investigated. The results show that pH of the leachate significantly affects adsorption rate compared with other experimental parameters. When temperature is 30 °C, pH=8, and

(PDF) Investigation on selective rhenium leaching

Keywords: leaching, flue dust, molybdenum, rhenium, selectivity. 1. Introduction Rhenium is a less common metal, characterized calculated the activation energy for the leaching by its high melting point and its important role in of molybdenite to be 19.53 kJ/mol, and that for petrochemical, aerospace and metallurgical the rhenium to be 20.36 kJ

Selective Recovery of Molybdenum over Rhenium from

2020-11-4  metals Article Selective Recovery of Molybdenum over Rhenium from Molybdenite Flue Dust Leaching Solution Using PC88A Extractant Ali Entezari-Zarandi 1,2,*, Dariush Azizi 1,3, Pavel Anatolyevich Nikolaychuk 4, Faïçal Larachi 1 and Louis-César Pasquier 3 1 Department of Chemical Engineering, Université Laval, Québec, QC G1V 0A6, Canada; [email protected] (D.A.);

JME

2021-6-2  Keywords: leaching, flue dust, molybdenum, rhenium, selectivity. 1. Introduction Rhenium is a less common metal, characterized by its high melting point and its important role in petrochemical, aerospace and metallurgical industries. It does not form its

Technology Summary Suitable for public dissemination

2020-10-21  patent for molybdenum and rhenium ores is a significant addition to the range of metals covered by the Company's leaching technology. The MoReLeach process, a sister technology to MetaLeach’s HyperLeach® technology, is used on molybdenum bearing ores, concentrates and flotation tailings. The HyperLeach®

extraction of molybdenum Prominer (Shanghai)

Selective Recovery of Molybdenum over Rhenium MDPI. 26 Oct 2020 Abstract: Selective solvent extraction of molybdenum over rhenium from molybdenite MoS2 flue dust leaching

Molybdenum Processing IMOA

Rhenium recovery. Some of the by-product molybdenite concentrates from copper mines contain small quantities (<0.10%) of rhenium. Molybdenum roasters equipped to recover rhenium are one of the principal commercial sources for this rare metal.

钙化焙烧-酸浸工艺提取钼精矿中铼的研究

2017-6-2  Based on the test for low-grade molybdenum concentrate containing 39.27% molybdenum and 340 g/t rhenium by using calcification roasting and acid leaching process, effects of three kinds of calcium-based additives, such as CaO, Ca(OH) 2 and CaCO 3

MOLYBDENUM, FERROMOLYBDENUM, AND

2016-3-27  condensation or by leaching. In sublimation, the technical grade oxide is heated to approximately 1,100°C in a muffle type furnace. The oxide is vaporized and carried in a stream of forced air through cooling ducts and 4 Ibid., p. 850. 5 "Molybdenum and Molybdenum Alloys," from Kirk-Othmer Encyclopedia of Chemical Technology, 3rd ed.,

LEADING THE WORLD IN MOLY Climax Molybdenum

2019-1-28  Climax Molybdenum Company, a subsidiary of Freeport-McMoRan, is one of the world’s leading molybdenum producers. From our early beginnings in Colorado, Rhenium Pellets INFORMATION AND CUSTOMER SERVICE PRODUCTS LOCA TIO NS AND CONTACTS. 333 NORTH CENTRAL AVENUE PHOENIX, ARIZONA 85004 USA 1.800.255.7684

Technology Summary Suitable for public dissemination

2020-10-21  patent for molybdenum and rhenium ores is a significant addition to the range of metals covered by the Company's leaching technology. The MoReLeach process, a sister technology to MetaLeach’s HyperLeach® technology, is used on molybdenum bearing ores, concentrates and flotation tailings. The HyperLeach®

Molybdenum ore processing technology

2014-7-29  Rhenium in molybdenum concentrate, molybdenum concentrate mainly from oxidative leaching solution or roasting smoke boiled liquid oxygen pressure recovery, and then using the extraction or ion exchange method from solution into a high potassium or ammonium perrhenate rhenium,and then restore the rule of law into high-purity rhenium powder.

Ion Exchange Separation of Rhenium from

2019-5-26  Spectrometric Determination of Rhenium and Its Separation from Molybdenum. Analytical Chemistry 1955, 27 (9),1387-1389. Recovery of Rhenium and Molybdenum from Molybdenite Roasting Dust Leaching Solution by Ion Exchange Resins. MATERIALS TRANSACTIONS 2012, 53 (11) ,

Extraction of molybdenum and rhenium from

OSTI.GOV Technical Report: Extraction of molybdenum and rhenium from concentrates by electrooxidation Title: Extraction of molybdenum and rhenium from concentrates by

Molybdenum beneficiation and smelting technology

2020-9-27  The rhenium in the molybdenum concentrate is mainly recovered from the oxidative roasting flue gas leaching liquid or oxygen pressure cooking liquid of the molybdenum concentrate, and then extracted from the solution or ion exchange method to make potassium perrhenate or ammonium perrhenate,And then use the reduction method to make high

Leaching molybdenum from a low-grade roasted

2019-3-7  A technique for leaching molybdenum from low-grade roasted molybdenite concentrate was proposed by the aqueous solution containing sodium chlorate and sodium carbonate. The effect of molar ratio of sodium chlorate to molybdenum, leaching time, liquid–solid ratio, leaching temperature, sodium carbonate concentration and agitating speed on leaching rate of molybdenum was studied.

Molybdenum Processing IMOA

Rhenium recovery. Some of the by-product molybdenite concentrates from copper mines contain small quantities (<0.10%) of rhenium. Molybdenum roasters equipped to recover rhenium are one of the principal commercial sources for this rare metal.

Polytypism in molybdenite (II); Relationships between

Supergene alteration also results in rhenium leaching, but kinetic barriers impede recrystallization to the 2H i polytype. A model is suggested to account for this behavior, based on different solubilities of rhenium and molybdenum as a function of K + /Na + and pH changes in the hydrothermal solutions.

MOLYBDENUM, FERROMOLYBDENUM, AND

2016-3-27  condensation or by leaching. In sublimation, the technical grade oxide is heated to approximately 1,100°C in a muffle type furnace. The oxide is vaporized and carried in a stream of forced air through cooling ducts and 4 Ibid., p. 850. 5 "Molybdenum and Molybdenum Alloys," from Kirk-Othmer Encyclopedia of Chemical Technology, 3rd ed.,

Novel Aqueous Processing of the Reverted Turbine

2016-7-2  A preliminary study on the hydrometallurgical recovery of rhenium from an engine-reverted superalloy, CMSX-4, was performed. The novelty of this work dealt with (i) the applicability of electro-generated Cl2 in rhenium leaching and (ii) the maneuvering of the organic extractants based on the metal speciation in leach liquor. In a two-step HCl leaching, more than 98% rhenium was selectively

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