无机盐工业
主管:中海油天津化工研究设计院有限公司
主办:中海油天津化工研究设计院有限公司
   中海油炼油化工科学研究院(北京)有限公司
   中国化工学会无机酸碱盐专业委员会
ISSN 1006-4990 CN 12-1069/TQ

无机盐工业 ›› 2020, Vol. 52 ›› Issue (9): 32-33.doi: 10.11962/1006-4990.2019-0530

• 研究与开发 • 上一篇    下一篇

硫酸镍煅烧的实验研究

马玉文(),孔德绪,王飞   

  1. 山东理工大学资源与环境工程学院,山东淄博 255000
  • 收稿日期:2020-03-25 出版日期:2020-09-10 发布日期:2020-09-27
  • 作者简介:马玉文(1981— ),男,博士,讲师,研究方向为资源利用;E-mail: mywwym@163.com
  • 基金资助:
    博士科研启动基金项目(413060)

Study on calcination of nickel sulfate

Ma Yuwen(),Kong Dexu,Wang Fei   

  1. School of Resources and Environmental Engineering,Shandong University of Technology,Shandong 255000,China
  • Received:2020-03-25 Online:2020-09-10 Published:2020-09-27

摘要:

硫酸镍煅烧可以产生镍氧化物,作为制备氧化镍的原料。以六水硫酸镍为原料,采用热重-差热分析(TG-DTA)、X射线衍射(XRD)分析研究了其煅烧过程并对产物进行了表征。研究结果表明,硫酸镍煅烧过程分为3个阶段:第一阶段(27~250 ℃)及第二阶段(250~600 ℃)为脱水阶段;第三阶段(600~900 ℃)为分解阶段。在煅烧温度为850 ℃、煅烧时间为30 min、粒度为74~147 μm条件下,硫酸镍煅烧产物为氧化镍。

关键词: 硫酸镍, 氧化镍, 煅烧

Abstract:

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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