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Rare Metals

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28.12.2017

Agglomeration behavior of petal-shaped cerium carbonate with different operating conditions

verfasst von: Yan-Hong Hu, Liang Xu, Mei Li, Xue-Feng Wang, Zhao-Gang Liu, Mi-Tang Wang, Xiao-Wei Zhang

Erschienen in: Rare Metals | Ausgabe 2/2018

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Abstract

Agglomeration phenomenon can often be observed during the fabrication process of petal-shaped, nano-sized Ce₂(CO₃)₃ powders. This kind of powder was produced by liquid-phase precipitation method with the template agent of polyallylamine hydrochloride (PAH). In this study, the effects of the polymer concentration, pH value, and stirring speed on the agglomeration phenomenon of cerium carbonate were investigated. On the condition that the concentration of PAH is 0.9 g·L⁻¹, the pH value of the adjusting solution is 3–4, the final pH value is 8–10, and the stirring speed is 300–400 r·min⁻¹, it is found that the agglomeration phenomenon of Ce₂(CO₃)₃ particles can be greatly prevented and the regular petal-shaped particles are formed.

Vorheriger Artikel Synthesis and properties of electrodeposited Ni–CeO2 nano-composite coatings

Nächster Artikel Forecasting of mechanical properties of covered electrode containing La/CeO2 based on fuzzy neutral network

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Titel: Agglomeration behavior of petal-shaped cerium carbonate with different operating conditions
verfasst von: Yan-Hong Hu
Liang Xu
Mei Li
Xue-Feng Wang
Zhao-Gang Liu
Mi-Tang Wang
Xiao-Wei Zhang
Publikationsdatum: 28.12.2017
Verlag: Nonferrous Metals Society of China
Erschienen in: Rare Metals / Ausgabe 2/2018
Print ISSN: 1001-0521
Elektronische ISSN: 1867-7185
DOI: https://doi.org/10.1007/s12598-017-0995-5

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