Feasibility of nickel extraction from Indian chromite overburden by solid state reduction and smelting route [PDF]
Journal of Mining and Metallurgy. Section B: Metallurgy, 2020 The present work demonstrates the extraction of nickel from low-grade chromite overburden by using solid state reduction and direct smelting route. Goethite & Quartz are present as major phases whereas chromite, hematite were identified as minor phases ...
Ganesh P. +5 more
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Estimation of quality of hot pressed briquettes as a type of metallurgical charge materials
Литьë и металлургия, 2020 The basic principles of construction are formulated in the work and a description of the technological process of hot briquetting of ferrous metal waste as a way of converting fine metal particles into a dimensional semi-finished product of a given size ...
O. M. D’jakonov +2 more
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Synthesis of Zeolite from Waste Perlite by Hydrothermal Treatment
Journal of MMIJ, 2017 Various zeolites were synthesized though hydrothermal treatment of perlite with alkaline solutions in order to facilitate effective use of the discarded perlite. Perlite is volcanic glass mainly composed of amorphous aluminum silicate and its composition
Makoto KASAI +6 more
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Leaching of rare earth elements from bastnasite ore (third part) / Выщелачивание редкоземельных элементов из пород, содержащих фторкарбонаты – третья часть / Rastvaranje elemenata retkih zemalja iz ruda koje sadrže fluorokarbonatni mineral (treći deo) [PDF]
Vojnotehnički Glasnik, 2019 Sulfuric acid dissolution of rare earth elements from bastnasite ore was studied after reductive smelting with carbon as a reducing agent at 1600°C.
Srećko R. Stopić, Bernd G. Friedrich
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Metals, 2022 This paper proposes a pyrometallurgical recycling method for end-of-life NdFeB magnets by oxidizing them in air and subsequently smelting them. The smelting process enabled the recovery of rare earth elements (REEs), producing a new reach concentrate ...
Hanwen Chung +4 more
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A Comparison of Methods for the Characterisation of Waste-Printed Circuit Boards
Metals, 2021 Electronic waste is a growing waste stream globally. With 54.6 million tons generated in 2019 worldwide and with an estimated value of USD 57 billion, it is often referred to as an urban mine.
Jonovan Van Yken +6 more
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Archeologické Rozhledy, 2018 Over the last decade, there has been a noticeable increase in the number of projects and discoveries relating to Iron Age iron in the UK. These include the discovery of one of the earliest smelting furnaces at Messingham, North Lincolnshire, an ...
Peter Halkon, Zechariah Jinks-Fredrick
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Physicochemical characterization of copper slag and alternatives of friendly environmental management [PDF]
Journal of Mining and Metallurgy. Section B: Metallurgy, 2013 Copper slags are usually considered a waste and characterized only by the final copper content. Large and increasing quantities are being produced and disposed of by stockpiling near the metallurgical plants.
Sánchez M., Sudbury M.
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Kuangchan zonghe liyongWater quenching slags were leached by oxygen pressure at the acidic conditions. The effects of ratio of oxygen pressure temperature, sulfuric acid concentration, liquid-solid ratio on the selective leaching were investigated using response surface ...
Hui LI, Lin ZOU, Chao QU
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Model and software of materials flow and energy flow in ferronickel smelting
工程科学学报, 2015 On the basis of studies on material flow and energy flow balances in ferronickel smelting,the utilization rate and heat loss of every process were obtained,and the reaction rates of ores,reductants and fluxes were calculated in each part of the ...
LIU Peng, LI Bao-kuan, WU Wen-yuan
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