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Citation: Ling Li, Junke Wang, Yuanwen Yu, Shiyu Liu, Yingxi Wang, Juan Wang, Kai Wang. 基于炭黑和磁铁改进硫酸亚铁铵的制备实验及综合利用[J]. University Chemistry, ;2022, 37(3): 210708. doi: 10.3866/PKU.DXHX202107087 shu

基于炭黑和磁铁改进硫酸亚铁铵的制备实验及综合利用

College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, China

Corresponding author: Ling Li, lingli@hubu.edu.cn
Received Date: 25 July 2021

介绍了一个硫酸亚铁铵制备的改进实验。在该方法中，通过往铁屑与稀硫酸的反应中加入炭黑构成原电池，将原来与稀硫酸的反应时间由1 h时间缩短为20 min。常压过滤前使用磁铁预处理，仅需8 min完成常压过滤得到硫酸亚铁溶液。通过实验的改进，解决原实验中耗时长、实验效率低的问题。并且加入的碳黑回收后能够迅速去除有机污染物，扩充了该改进实验的综合利用价值。学生通过该实验，能理解制备复盐的原理，以及原电池在工程生产中提高反应速率的作用，也能认识到工程设计中“价值最大化”，增强工程意识。
- Improve the experiment,
- Ammonium ferrous sulfate,
- Carbon black,
- Experimental efficiency,
- Comprehensive utilization
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