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The mixer settler is widely employed in the extraction and recycling of battery materials. The improvement of the separation efficiency is one of the most important issues. In order to investigate the effect of agitating speed on the flow characteristics and settling performance, both computational fluid dynamics coupled population balance model simulations and experiments with particle image velocimetry...
Mixer-settlers have been widely employed in the rare earth element separation industry. Presently, reducing the loss of reagents and occupied areas and achieving a highly efficient separation in the settler are challenging issues. In this work, we report numerical simulations of the liquid–liquid flow in a stirring settler and thereafter describe the experimental validation. A computational fluid...
During CeO2 preparation via jet-flow pyrolysis, the standard spherical particles typically assumed in numerical simulations do not match the actual particle morphologies. In the present work, an extension factor α, fullness factor k, and shrinkage ratio β were introduced to characterize the distributions of several specific types of irregular spherical CeO2 particles inside a jet-flow pyrolysis reactor...
A new type of high-temperature jet spray pyrolysis (SP) reactor is investigated in this article as part of studies on the preparation of rare earth oxides at Northeastern University (NEU), Shenyang, China. The jet spray reactor examined here is a horizontal, tubular reactor conveying the hot products of the combustion of methane and oxygen with a converging–diverging jet section in an arrangement...
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