Experimental study by onlinemeasurement of the precipitation of nickel hydroxide: Effects of operating conditions

Weiwei E; Jingcai Cheng; Chao Yang; Zaisha Mao

doi:10.1016/j.cjche.2014.04.004

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Experimental study by onlinemeasurement of the precipitation of nickel hydroxide: Effects of operating conditions

材料与产品工程 | Updated：2026-01-06

- Experimental study by onlinemeasurement of the precipitation of nickel hydroxide: Effects of operating conditions
- Chinese Journal of Chemical Engineering Vol. 23, Issue 5, Pages: 860-867(2015)
- Affiliations：
  
  2 Jiangsu Marine Resources Development Research Institute,Lianyungang,China,222005
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2014.04.004
  CLC：
- Published：2015
- Accepted：
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Weiwei E, Jingcai Cheng, Chao Yang, Zaisha Mao. Experimental study by onlinemeasurement of the precipitation of nickel hydroxide: Effects of operating conditions[J]. Chin.J.Chem.Eng., 2015, 23(5): 860-867.
DOI：

Weiwei E, Jingcai Cheng, Chao Yang, Zaisha Mao. Experimental study by onlinemeasurement of the precipitation of nickel hydroxide: Effects of operating conditions[J]. Chin.J.Chem.Eng., 2015, 23(5): 860-867. DOI： 10.1016/j.cjche.2014.04.004.

摘要

Abstract

The objective of this work is using the online measurementmethod to study the process of precipitation of nickel hydroxide in a single-feed semi-batch stirred reactor with an internal diameter of D = 240 mm. The effects of impeller speed

impeller type

impeller diameter and feed location on the mean particle size d

and particle size distribution (PSD) were investigated. d

and PSD were measured online using a Malvern Insitec Liquid Process Sizer every 20 s. It was found that d

varied between 13 μm and 26 μm under different operating conditions

and it decreased with increasing impeller diameter.When feeding at the off-bottomdistance of D/2 under lower impeller speeds

was significantly smaller than that at D/3. PSDs were slightly influenced by operating conditions.

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