Research progress on cleaner production and engineering of calcium carbide preparation

被引：0
|
作者：
Xu W. [1 ,2 ]
Wang H. [1 ,2 ]
Cui X. [3 ]
Zhang Z. [1 ,2 ]
机构：
[1] School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an
[2] State Key Laboratory of Multiphase Flow for Power Engineering, Xi'an
[3] Yang Quan Coal Industry Co., Ltd., Taiyuan
来源：
Huagong Jinzhan/Chemical Industry and Engineering Progress | 2021年 / 40卷 / 10期
关键词：
Calcium carbide production; Carbide slag; Carbon dioxide; Exergy analysis; Oxygen-thermal method; Poly-generation; Simulation;
D O I：
10.16085/j.issn.1000-6613.2020-2156
中图分类号：
学科分类号：
摘要：
China is the biggest calcium carbide production country in the world, and the calcium carbide production is an important part of chemical industry. Currently, the electric-thermal method is the most widely used industrial calcium carbide production method. But due to its high energy consumption, high pollution, high investment, low output, and many other disadvantages, the traditional calcium carbide industry is in urgent need of process upgrading. It is becoming a research hotspot to develop large-scale integrated calcium carbide industry chain with energy saving, consumption reduction, comprehensive and efficient utilization of raw materials and additional product. Oxygen-thermal method has the characteristics of low energy consumption, low material consumption, high efficiency and less pollution, which is a promising new method to replace electro-thermal method. In this paper, the new technology of calcium carbide from coal is reviewed, including the technology of oxygen-thermal coal to calcium carbide production, the coal to calcium carbide polygeneration system and the clean production of calcium carbide. The research progress of oxygen-thermal calcium carbide method is summarized. Then, the coal to calcium carbide and chemical/power system polygeneration process, as well as the technical routes of carbide slag comprehensive utilization and waste gas trap are discussed and analyzed. The further worthy research directions are also prospected. It is of great significance for the theoretical research, engineering practice and system operation of the clean and high-efficiency calcium carbide production. © 2021, Chemical Industry Press Co., Ltd. All right reserved.
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页码：5337 / 5347
页数：10
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