Preparation and characterization of neodymium hydroxide powder <i>via</i> the hydration method

Hongxi Li; Chenggong Xu; Qishan Yang

doi:10.1016/j.cjche.2020.04.018

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Preparation and characterization of neodymium hydroxide powder via the hydration method

Materials and Product Engineering | Updated：2026-01-06

- Preparation and characterization of neodymium hydroxide powder via the hydration method
- Chinese Journal of Chemical Engineering Vol. 28, Issue 7, Pages: 1973-1980(2020)
- Affiliations：
  
  School of Chemistry and Chemical Engineering, Inner Mongolia University of Science and Technology,Baotou,China,014010
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2020.04.018
  CLC：
- Published：2020
- Accepted：
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the hydration method[J]. 中国化学工程学报, 2020, 28(7): 1973-1980.
DOI：

the hydration method[J]. 中国化学工程学报, 2020, 28(7): 1973-1980. DOI： 10.1016/j.cjche.2020.04.018.

摘要

Abstract

The preparation of Nd(OH)

powder by the direct hydration method using Nd

as a raw material was studied

and the effects of stirring mode

O and Nd

molar ratio

stirring rate

and reaction time on temperature change and conversion rate in a hydration system were analyzed. The reasonable process conditions for the direct hydration of Nd(OH)

by Nd

were then determined. Process

morphology

and structure were considered in the preparation of neodymium hydroxide powder

and its composition was investigated by X-ray powder diffraction

scanning electron microscopy

laser particle size analysis

thermogravimetric differential thermal analysis

and chemical analysis. It has been proved that the process is simple and feasible

in line with the concept of modern green chemistry

and the products also meet the market requirements.

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Preparation and characterization of neodymium hydroxide powder via the hydration method

DOI：10.1016/j.cjche.2020.04.018

摘要

Abstract

关键词

Keywords

references