Results 31 to 40 of about 4,717 (194)

Bányászat és kapcsolódó iparágak hulladékainak szerepe a körforgásos gazdaságban – Urban Mining: Role of the wastes of mining and allied industries in the circular economy – Urban mining [PDF]

, 2021
Research of the wastes of mining and allied industries at the University of Miskolc Faculty of Earth Science and Engineering has been carrying out in the Center of Excellence of Sustainable Natural Resource Management in the last decades very intensively.
Gábor, MUCSI
core  

Flow of gases through reactor graphites [PDF]

, 1963
[Typewritten]xxv, 661 leaves : ill.Thesis (Ph.D.)--University of Adelaide, Dept.
Field, Graham John
core  

Numerical Simulation of Appropriate Design for Selecting Tunnel Support Systems in Squeezing Grounds (Tunnel No. 2 in Tabas Coal Mine, Iran)

Advances in Civil Engineering
Tunnel No. 2 of the mechanized Tabas coal mine and access entry to E5 panel serve as the primary routes for coal extraction from the longwall mining panel.
Mahdis Shekarchizadeh, Mehdi Najafi, Mohammad Fatehi Marji   +2 more
doaj   +1 more source

Influence of holding time during rapid tempering after rapid austenitization on the microstructure and mechanical properties of low carbon steel [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy
The rising demand for high-quality steel in construction, automotive, and other industrial sectors presents significant challenges, particularly regarding energy consumption and CO₂ emissions from large-scale production.
Putri Putu Reidita Artha, Korda Akhmad Ardian, Basuki Eddy Agus, Muhammad Fadhli, Laksana Tria, Priambudi Djalu Amardanta, Al Syaukhani Imam, Santosa Berti Septa   +7 more
doaj   +1 more source

Investigating the possibility of removing lead (Pb) from copper melt during the smelting process in Sarcheshmeh copper complex [PDF]

Analytical and Numerical Methods in Mining Engineering
This research focused on optimizing the removal process of the harmful element lead (Pb) in various stages of copper production (flash smelting, copper converting, and thermal refining.
Alireza Afsahi, Saeed Hasani, Hossein Bartar Esfehani, Alireza Mashreghi, Parisa Moosavi   +4 more
doaj   +1 more source

Lattice numerical simulations of hydraulic fractures interacting with oblique natural interfaces [PDF]

International Journal of Mining and Geo-Engineering, 2019
The hydraulic fracturing propagation is strongly influenced by the existence of natural fractures. This is a very important factor in hydraulic fracturing operations in unconventional reservoirs.
Elham Bakhshi, Vamegh Rasouli, Ahmad Ghorbani, Mohammad Fatehi Marji   +3 more
doaj   +1 more source

Multi-Model Assessment for Secondary Smelting Decarbonisation: The Role of Hydrogen in the Clean Energy Transition

Hydrogen, 2023
Extensive decarbonisation efforts result in major changes in energy demand for the extractive industry. In 2021, the extraction and primary processing of metals and minerals accounted for 4.5 Gt of CO2 eq. per year. The aluminium industry was responsible
Antonis Peppas, Sotiris Kottaridis, Chrysa Politi, Panagiotis M. Angelopoulos, Maria Taxiarchou   +4 more
doaj   +1 more source

Oxidation characteristics of porous-nickel prepared by powder metallurgy and cast-nickel at 1273 K in air for total oxidation time of 100 h

Journal of Advanced Research, 2017
The oxidation behavior of two types of inhomogeneous nickel was investigated in air at 1273 K for a total oxidation time of 100 h. The two types were porous sintered-nickel and microstructurally inhomogeneous cast-nickel.
Lamiaa Z. Mohamed, Wafaa A. Ghanem, Omayma A. El Kady, Mohamed M. Lotfy, Hafiz A. Ahmed, Fawzi A. Elrefaie   +5 more
doaj   +1 more source

Development of a Process for Low-Cost LFP Batteries Treatment

Materials Proceedings
The recycling of lithium iron phosphate (LiFePO4) batteries from electric and hybrid vehicles was investigated, by applying mechanical pretreatment and hydrometallurgical methods.
Rafaella-Aikaterini Megaloudi, Alexandros Galanis, Paschalis Oustadakis, Anthimos Xenidis   +3 more
doaj   +1 more source

Assessment of the tribological behaviour of self-lubricating metal matrix composites developed for circular saw guide pad applications

Journal of Materials Science: Materials in Engineering
The development and performance of self-lubricating Cu-Fe-based composites produced via powder metallurgy are examined as an advanced alternative to conventional Babbitt alloy for guide pad applications in high-speed circular saw systems.
A. Torkghashghaei, S. Gélinas, C. Blais
doaj   +1 more source