Results 21 to 30 of about 138,539 (119)

Experimental Study on Extraction of Aluminum and Iron from Bayer Red Mud by Deep Reduction Sintering

Kuangchan zonghe liyong, 2022
The presence of iron and aluminum in the red mud affect the leaching and extraction of scandium and rare earths. Through the analysis and testing of the Bayer process red mud, a technical plan for the reduction and sintering to recover aluminum and iron ...
Ruiming He, Yong Wang, Aimin Li, Wei Shi, Yajun Xu, Yulian Zhao   +5 more
doaj   +1 more source

EFFECT OF MECHANICAL ACTIVATION AND IRON POWDER ADDITION ON AClDI C LEAC8ING OF PSEUDORUTILE

Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2009
This study presents the effect of mechanical activation on iron removal from pseudorutile to obtain synthetic rutile by hydrochloric acid leaching with or without iron addition as a reducing agent.
Güven Yarkadaş, H. Özkan Toplan, Kenan Yıldız   +2 more
doaj   +1 more source

Study of Siderurgy Slags for the Reuse of Iron Oxides for Biotechnology Application

Proceedings, 2018
The reuse of slag for the extraction of iron oxides, besides allowing the use of potentially polluting material, allows its strategic use in biotechnological applications.
Diogo T. Moreira, Arno H. Oliveira, Adriana S. M. Batista   +2 more
doaj   +1 more source

New technology for lanthanide recovery from spent Nd-Fe-B magnets

South African Journal of Chemical Engineering, 2020
A new technology, representing a complete process of recovery of rare earth elements from neodymium-iron-boron permanent magnets scrap by acid dissolution and liquid-liquid extraction, is proposed. This technology is based on basic research of individual
Vaclav Gruber, Milan Carsky
doaj   +1 more source

Iron oxide synergistic vacuum carbothermal extraction of zinc from zinc sulfide [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy
To reduce the issues of high pollutant emissions and lengthy processes in extracting zinc from zinc sulfide ore, a new technical approach involving the synergistic use of iron oxide and vacuum carbothermal reduction to extract zinc from zinc sulfide ore ...
Ma H.-Z., Dang Y.-B., Wang Y.-N., Zeng J.-Y., Zhang X., Guan M.-H., Zhao X.-J.   +6 more
doaj   +1 more source

Improvement of the stoping technology in mining magnetite quartzite by underground methods [PDF]

E3S Web of Conferences
The ore deposits in Kryvyi Rih iron ore basin are mined using bulk ore and overlying rocks caving systems. These mining systems have a significant drawback, namely a 2 – 5% reduction in the iron content of the mined ore mass when mining rich ores and up ...
Pysmennyi Serhii, Fedko Mykhaylo, Peremetchyk Andrii, Chukharev Serhii, Pilchyk Volodymyr, Mutambo Victor   +5 more
doaj   +1 more source

Kinetics Study of Solvent and Solid-Phase Extraction of Rare Earth Metals with Di-2-Ethylhexylphosphoric Acid

Metals, 2020
The kinetic features of solvent and solid-phase extraction of yttrium and iron (III) from simulated and industrial phosphoric acid solutions are revealed.
Olga Cheremisina, Vasiliy Sergeev, Maria Ponomareva, Alexandra Ilina, Alexander Fedorov   +4 more
doaj   +1 more source

Hydrometallurgical separation of zinc and copper from waste brass ashes using solvent extraction with D2EHPA

Journal of Materials Research and Technology, 2020
A blend of brass ashes containing 48.0% of zinc and 16.6% of copper was processed through selective leaching with dilute H2SO4 and solvent extraction, using D2EHPA as the extracting agent in order to separate zinc and copper.
Júlia Mont’Alverne Martins, Alexandre Silva Guimarães, Achilles Junqueira Bourdot Dutra, Marcelo Borges Mansur   +3 more
doaj   +1 more source

Extraction of iron from laterite soil and green synthesis of laterite nano iron catalyst (GLaNICs) for its application as Fenton's catalyst in the degradation of triclosan

Water Science and Technology, 2022
Laterite based nano iron particles were synthesized using natural laterite extract as a precursor and Psidium guajava plant extract for its application as Fenton's catalyst in the degradation of triclosan.
Rashmishree K N, Bhaskar S, Shrihari S, Arun Kumar Thalla   +3 more
doaj   +1 more source

SYNTHESIS AND CHARACTERIZATION OF HEMATITE (Fe2O3) OF IRON ORE AND MAGNETITE (Fe3O4) FROM IRON SAND THROUGH PRECIPITATION METHOD FOR INDUSTRIAL RAW MATERIALS

Jurnal Neutrino: Jurnal Fisika dan Aplikasinya, 2020
Indonesia is a country that has enormous iron ore and iron sand mine that can be utilized for various industrial purposes. This research has been successfully conducted synthesis and characterization of hematite iron ore and magnetite from iron sand ...
Andia Fatmaliana, Maulinda Maulinda, Nirmala Sari   +2 more
doaj   +1 more source