硫酸镍煅烧的实验研究
收稿日期: 2020-03-25
网络出版日期: 2020-09-27
基金资助
博士科研启动基金项目(413060)
Study on calcination of nickel sulfate
Received date: 2020-03-25
Online published: 2020-09-27
马玉文 , 孔德绪 , 王飞 . 硫酸镍煅烧的实验研究[J]. 无机盐工业, 2020 , 52(9) : 32 -33 . DOI: 10.11962/1006-4990.2019-0530
Nickel-based oxide was prepared by calcination of nickel sulfate,which can be used as raw material for preparation of NiO. With NiSO4·6H2O as raw material,the calcination process was analyzed by thermo-gravimetric and differential ther-mal analysis(TG-DTA) and the product was characterized by X-ray diffraction(XRD).The results showed that the calcina-tion process of NiSO4·6H2O can be divided into three stages.The first stage(27~250 ℃) and the second stage(250~600 ℃) are the dehydration stage,and the third stage(600~900 ℃) is the decomposition stage.NiO was prepared from NiSO4·6H2O under the conditions as follows:calcination time was 30 min,calcination temperature was 850 ℃ and particle size was at 74~147 μm.
Key words: nickel sulfate; nickel oxide; calcination
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