Results 11 to 20 of about 12,952 (205)

Mechanism of CaF₂ under Vacuum Carbothermal Conditions for Recovering Nickel, Iron, and Magnesium from Garnierite

Metals, 2020
Nickel laterite ore is divided into three layers and the garnierite examined in this study belongs to the third layer. Garnierite is characterized by high magnesium and silicon contents.
Qiang Wang, Xupeng Gu, Tao Qu, Lei Shi, Mingyang Luo, Bin Yang, Yongnian Dai   +6 more
doaj   +1 more source

Effect of Cd²⁺ on Electrodeposition of Copper in Cyclone Electrodeposition

Metals, 2021
A strategy to determine the effect of Cd2+ on the electrodeposition of copper from a copper electrolyte by cyclone electrowinning is presented. The concentration of Cu2+ in the copper electrolyte with different Cd2+ concentrations was determined by ...
Yan Wang, Bo Li, Hongao Xu, Jihao Guo
doaj   +1 more source

Gold Extraction from Cyanidation Tailing Using Microwave Chlorination Roasting Method

Metals, 2018
At present, gold mines are increasingly scarce in the world. The yield of cyanidation tailing (CT) of refractory gold ores with a grade of 10 g/T is huge; however, the effective capitalization of the cyanidation tailing is a significant problem in the ...
Fei Zhu, Libo Zhang, Haoyu Li, Shaohua Yin, Sivasankar Koppala, Kun Yang, Shiwei Li   +6 more
doaj   +1 more source

Numerical Investigation of the Enhanced Stirring Characteristics of a Multi-Lance Top-Blowing Continuous Converting Furnace for Lance Arrangement and Variable-Velocity Blowing

Energies, 2023
Oxygen lances are key equipment for copper converters. The effect of the lance arrangement on the mixing of a gas–slag two–phase is discussed using numerical simulation and experimental verification with a water model, and the stirring characteristics ...
Wenjie Li, Shibo Wang, Jianxin Xu, Jianhang Hu, Hua Wang, Yuling Zhai, Qingtai Xiao, Ge Deng, Dongbo Li   +8 more
doaj   +1 more source

Enhanced sulfidation xanthate flotation of malachite using ammonium ions as activator

Scientific Reports, 2017
In this study, ammonium ion was used to enhance the sulfidation flotation of malachite. The effect of ammonium ion on the sulfidation flotation of malachite was investigated using microflotation test, inductively coupled plasma (ICP) analysis, zeta ...
Dandan Wu, Wenhui Ma, Yingbo Mao, Jiushuai Deng, Shuming Wen   +4 more
doaj   +1 more source

Preparation of Potassium Dichromate Crystals from the Chromite Concentrate by Microwave Assisted Leaching

Crystals, 2017
In the present investigation, the oxidizing roasting process of chromite with sodium carbonate to prepare potassium dichromate crystals was studied in the microwave field with air, by heating the chromite and sodium carbonate.
Hua Liu, Shenghui Guo, Jinhui Peng, Duan Yu, Libo Zhang, Linqing Dai   +5 more
doaj   +1 more source

Study on Pyrolysis Pretreatment Characteristics of Spent Lithium-Ion Batteries

Separations, 2023
In recent years, the rapid development of the new energy vehicle industry has led to an increase in the production of used lithium-ion batteries. The recycling of waste lithium-ion batteries is expected to alleviate the shortage of valuable metals in ...
Hao Wang, Cuiping Liu, Guorui Qu, Shiwei Zhou, Bo Li, Yonggang Wei   +5 more
doaj   +1 more source

Process Mineralogy Analysis of Copper-zinc Sulfide Ore from the Simao Region, Yunnan Province

Yankuang ceshi, 2014
There are large amounts of refractory copper-zinc polymetallic sulfide ore resources in the Simao region of Yunnan Province. Traditional mineral identification under microscope is difficult to automatically accurately determine copper, zinc and other ...
XIE Hai-yun, YE Qun-Jie, ZHOU Ping, GAO Li-kun, ZHUANG Gu-zhang, TONG Xiong   +5 more
doaj   +2 more sources

Influence of temperature on the texture and magnetic properties of IrMn-based spin-valve multilayers

AIP Advances, 2019
Top-pinning, spin-valve multilayer films with the structure Ta (5 nm)/Co75Fe25 (5 nm)/Cu (2.5 nm)/Co75Fe25 (5 nm)/Ir20Mn80 (12 nm)/Ta (8 nm) were prepared by high-vacuum DC magnetron sputtering.
Xianjin Qi, Fengyan Hao, Xuezhu Li, Yongkui Li, Zhixu Lu   +4 more
doaj   +1 more source

Interaction of Manganese Ions with Scheelite Surfaces and Its Effect on Collector Adsorption and Flotation

Separations, 2022
Tungsten is a commercially important metal element that usually coexists with a variety of non-ferrous metals, which makes its extraction difficult. Scheelite is a commonly occurring tungsten-containing ore with the formula CaWO4.
Xiao Wang, Shuming Wen, Qi Zuo, Runpeng Liao, Shengbing Meng, Yuanyuan Tao, Zhihao Shen, Qicheng Feng   +7 more
doaj   +1 more source