### 污染食盐制备纯碱的综合与创新实验设计

• 收稿日期:2020-12-17 录用日期:2021-02-26 发布日期:2021-03-31
• 通讯作者: 崔斌 E-mail:cuibin@nwu.edu.cn
• 作者简介:崔斌, Email: cuibin@nwu.edu.cn
• 基金资助:
国家一流专业建设项目;陕西省一流专业建设项目;西北大学本科人才培养建设项目(XM05190493);西北大学本科人才培养建设项目(XM05190808);西北大学课程思政建设专项(XM05201461)

### Improvement on Preparation of Na2CO3 and Innovative Design on Purification of Salt

Xueru Liu, Ronglan Zhang, Bin Cui()

• Received:2020-12-17 Accepted:2021-02-26 Published:2021-03-31
• Contact: Bin Cui E-mail:cuibin@nwu.edu.cn

Abstract:

In this experiment, the purification of crude salt, the preparation of soda and the determination of sodium carbonate content in mixed alkali were integrated, and a comprehensive and designed experiment of university chemistry was developed. Students' independent design was introduced in the part of the purification of crude salt, and Hou's soda production system was introduced in the part of the preparation of soda. The experiment can make the students to consolidate the basic operation skills such as vacuum filtration, crystallization, titration, mastering a large number of chemical reaction principles and methods involved in the preparation of the soda ash, to exercise the ability of comprehensive application of knowledge, and improve the comprehensive innovation quality. Meanwhile, combining with ideological education, it can also help stimulate students' patriotic feelings and interest and enthusiasm of chemistry discipline, and cultivate students' awareness and ability to solve practical problems.

MSC2000:

• G64