Results 21 to 30 of about 3,664,205 (338)

Selective Leaching Process of Waste Lithium Iron Phosphate Cathode Powder

Kuangchan zonghe liyong, 2023
This is an essay in the field of metallurgical engineering. Using waste lithium iron phosphate battery cathode powder as raw material, a study on lithium selective leaching with Na2S2O8 as oxidant and low concentration acetic acid as aleaching agent was ...
Wei Wang, Lin Liu, Hongzhao Liu, Hongliang Wang, Yaohua Cao, Chi Ma   +5 more
doaj   +1 more source

The application of citric acid solutions for selective removal of zinc from steelmaking dust [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy, 2021
Steelmaking dust is one of the wastes which are produced by ironworks. This kind of waste is a byproduct produced mainly in electric arc furnace. Zinc content in dust is different and depends on the charge processed in the furnace.
Gargul K., Handzlik P., Palimąka P., Pawlik A.   +3 more
doaj   +1 more source

Design Optimization of Selective Lithium Leaching of Cathodic Active Materials from Spent Lithium-Ion Batteries Based on the Taguchi Method

Metals, 2021
The use of lithium-ion batteries (LIBs) has increased in recent years. Thus, efficient recycling is important. In this study, the Taguchi method was used to find the optimal selective lithium leaching parameters for spent LIB recycling. Orthogonal array,
Yeon Jae Jung, Bong Young Yoo, Sung Cheol Park, Seong Ho Son   +3 more
doaj   +1 more source

Process Optimization of High-Efficiency Leaching of Cadmium from Lead Smelting Smoke Based on RSM

Kuangchan zonghe liyong, 2023
This is an essay in the field of metallurgical engineering. This work aims to investigate and optimize the effects of the leaching parameters on the selective leaching of cadmium from bottom blowing melting furnace dust.
Yaoshan Li, Yuan Liu, Zhaowei Gao, Kan Wen, Hui Guo, Dongyang Zhang   +5 more
doaj   +1 more source

Features of choosing the schemes for selective mining of ores and justifying their rational parameters while using heap leaching schemes for processing [PDF]

E3S Web of Conferences, 2020
The article presents data from theoretical and experimental studies related to the search for a solution to an urgent geotechnological problem - selective mining of standard quality ore, substandard and diluted ores, taking into account the peculiarities
Sekisov Gennady, Sobolev Aleksei, Ashimbaev Abdakim   +2 more
doaj   +1 more source

Selective Leaching of Arsenic from Copper Concentrates in Hypochlorite Medium

Minerals, 2023
The selective leaching of arsenic using sodium hypochlorite was evaluated in order to reduce its concentration in a copper concentrate. The best conditions achieved in the synthetic concentrate were applied to the industrial concentrate.
M. Hernández, O. Benavente, Antoni Roca, E. Melo, V. Quezada   +4 more
semanticscholar   +1 more source

A clean and efficient method for purifying crude selenium based on a selective leaching - directed decomposition purification process

Materials Research Express, 2022
The rare element selenium is a key material in supporting the development of high-tech and new products. This research has led to the development of a method of purifying crude selenium based on a selective leaching-directed decomposition purification ...
Na Xu, Xiaocai He, Qingxin Xu, Weizhi Diao, Sen Yan, Qiugu He, Tin Ren   +6 more
doaj   +1 more source

SELECTIVE ELECTROEXTRACTION OF BASE METALS FROM LEACHING SOLUTIONS OBTAINED DURING THE RECYCLING OF WASTE PRINTED CIRCUIT BOARDS. I. INTENSIVE GALVANOSTATIC ELECTRODEPOSITION OF COPPER

Studia Universitatis Babes-Bolyai Chemia, 2020
This article presents our results concerning the feasibility of selective electroextraction of copper from leaching solutions obtained during base metals recycling from waste printed circuit boards.
Marian-Iosif FRÎNCU, Eniko COVACI, Sorin-Aurel DORNEANU, Petru ILEA   +3 more
doaj   +1 more source

A Multifocal Study Investigation of Pyrolyzed Printed Circuit Board Leaching

Metals, 2022
Electric waste from numerous devices that are put out of use every day has some form of printed circuit board that contains precious and valuable metals in their components.
Gvozden Jovanović, Mladen Bugarčić, Nela Petronijević, Srecko R. Stopic, Bernd Friedrich, Branislav Marković, Srđan Stanković, Miroslav Sokić   +7 more
doaj   +1 more source

Selective leaching of copper and zinc from primary ores and secondary mineral residues using biogenic ammonia.

Journal of Hazardous Materials, 2021
With the number of easily accessible ores depleting, alternate primary and secondary sources are required to meet the increasing demand of economically important metals.
Adam J. Williamson, F. Verbruggen, Vania S. Chavez Rico, Jef Bergmans, J. Spooren, L. Yurramendi, Gijs Du Laing, N. Boon, T. Hennebel   +8 more
semanticscholar   +1 more source