High-Temperature Chlorination of Nickel Oxide Using Calcium Chloride

被引：0
|
作者：
Han, Peiwei [1 ,2 ,3 ]
Yan, Jingmin [1 ,2 ,3 ]
Zhang, Lunliang [1 ,3 ]
Li, Zhengchen [1 ]
Ye, Shufeng [1 ,2 ,3 ]
机构：
[1] Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
[2] Chinese Acad Sci, Innovat Acad Green Manufacture, Beijing 100190, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
MATERIALS | 2023年 / 16卷 / 21期
基金：
中国国家自然科学基金;
关键词：
chlorination-volatilization; nickel oxide; calcium chloride; SPENT HYDROREFINING CATALYSTS; SELECTIVE CHLORINATION; GASEOUS CHLORINE; RECOVERY; KINETICS; METALS; CHLORIDIZATION;
D O I：
10.3390/ma16216888
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Attempts have been made to extract nickel from ores and nickel-containing wastes using the chlorination method. However, the use of gaseous chlorinating agents is limited due to their toxicity. High-temperature chlorination of nickel oxide using calcium chloride is analyzed in this study. The volatilization percentage is positively correlated to temperature and CaCl2 dosage and negatively correlated to oxygen partial pressure. The apparent activation energy is calculated to be 142.91 kJ/mol, between 1173 K and 1323 K, which suggests that the high-temperature chlorination of nickel oxide using calcium chloride is controlled by a chemical reaction.
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页数：12
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