Results 31 to 40 of about 301,019 (338)

Selective recovery of metals from spent mobile phone lithium-ion batteries through froth flotation followed by magnetic separation procedure

open access: yesResults in Engineering, 2023
The recycling of valuable metals from spent lithium-ion batteries (S-LIBs) has become more significant in our society, so the focus of most academic studies has been on the recovery of active battery materials. On the contrary, research on the separation
Fulya Mennik   +2 more
doaj   +1 more source

Estimation of the wear rate associated with ball mill of Mahd Ad Dahab Gold Mine, Saudi Arabia (KSA) [PDF]

open access: yes, 2018
Purpose. This study aims to estimate the wear of the middle chrome grinding balls in both dry and wet grinding media. The selected ball mill for this study is located at Mahd Ad Dahab Gold Mine, Saudi Arabia. Methods.
Abdelhaffez, G
core   +1 more source

Recycling Chain for Spent Lithium-Ion Batteries

open access: yesMetals, 2020
The recycling of spent lithium-ion batteries (LIB) is becoming increasingly important with regard to environmental, economic, geostrategic, and health aspects due to the increasing amount of LIB produced, introduced into the market, and being spent in ...
Denis Werner   +2 more
doaj   +1 more source

Modeling the formation of high metal concentration zones in man-made deposits [PDF]

open access: yes, 2018
Purpose. To study conditions of forming the zones of high metal concentration in metal-containing man-made deposits. To assess the likelihood of metal concentration in the placer core. Methods.
Korniienko, V   +4 more
core   +1 more source

The local mineral potential from East Lampung - Indonesia: the use of basalt rock as a stone meal for cassava plant

open access: yesJournal of Degraded and Mining Lands Management, 2019
Indonesia has an abundant amount of basalt rocks resources, including in East Lampung Regency of Lampung Province. This basalt has not been used optimally and only be used as a foundation. The use of basalt as soil fertilizer also known as the stone meal.
Yusup Hendronursito   +6 more
doaj   +1 more source

A Product Diffusion Model for the Extraction of Cerium and Yttrium from Magnetic Coal Fly Ash Using Citric Acid Solution

open access: yesInternational Journal of Technology, 2022
The recovery of rare earth elements from coal-related materials, primarily fly ash, has become an emerging topic for the past few years. The availability of fly ash as solid waste from coal combustion and its low radionuclide concentrations benefit ...
Pramesti Prihutami   +3 more
doaj   +1 more source

Study on low-grade galena-barite ore beneficiation in Khuzdar, Balochistan, Pakistan [PDF]

open access: yes, 2019
Purpose. Galena and barite are the principal minerals of lead and barium respectively. Both minerals are used extensively in industries because of their distinct properties.
Bashir, F   +6 more
core   +1 more source

The results of magnetic separation use in ore processing of metalliferous raw basalt of Volyn region [PDF]

open access: yes, 2016
Purpose. To determine the effectiveness of the electric field use in ore processing for extraction of native copper concentrate from raw basalt, to identify the most technologically advanced grain-size classes of the feed stock.
Gromachenko, S   +3 more
core   +2 more sources

Flotation performance analysis on coal washery rejects

open access: yesEnergy Geoscience, 2021
The coal washery rejects cause major environmental problems in various parts of the globe. Nearly 1 Mt of coal rejects discarded as waste, is accumulated per annum in India, during washing or cleaning of raw coal.
P.S. Kumar   +3 more
doaj   +1 more source

An increase in the Copper Recovery of the Sarcheshmeh Copper Complex through Reagent Modifications [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2022
In the flotation of sulfide minerals, particularly in the separation between pyrite and chalcopyrite, adjustment of the pH and reagents dosages is very important.  Process auditing at the Sarcheshmeh copper complex showed that the pH in the rougher cells
Ehsan Salajegheh   +2 more
doaj   +1 more source

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