Author(s)

Li Yizhe ¹

Affiliation(s)

¹ Northwest Normal University, 967 Anning E Rd, Lanzhou, China

Corresponding Author

Li Yizhe

ABSTRACT

This paper provides an in-depth examination of various methods for treating nitrogen oxides (NO_X) in nitric acid exhaust gases, a significant environmental concern in industrial pollution management. The study analyses several techniques, including Selective Catalytic Reduction (SCR), Non-Selective Catalytic Reduction (NSCR), water absorption, dilute nitric acid absorption, alkaline solution absorption, extended absorption method, and adsorption methods (both conventional and pressure swing adsorption). Each method's principle, efficiency, and practical challenges are discussed, highlighting their advantages and limitations. The paper aims to offer insights into the selection of appropriate NOx treatment technologies based on specific industrial needs, environmental impact, and economic considerations, contributing to the development of more sustainable Industrial practices.

KEYWORDS

Nitrogen Oxides; Nitric Acid Exhaust; Selective Catalytic Reduction; Absorption Methods; Adsorption Techniques

CITE THIS PAPER

Li Yizhe, Comprehensive Analysis of Nitrogen Oxide Treatment Methods in Nitric Acid Exhaust Gases. Analytical Chemistry: A Journal (2024) Vol. 3: 1-5. DOI: http://dx.doi.org/10.23977/analc.2024.030101.

REFERENCES

[1] Dai Zhiqian, Li Tianwen, Cao Yongsheng, et al. Progress in Nitric Acid Tail Gas Treatment Technology [J]. Nitrogen Fertilizer, 2001, (01): 56-59.
[2] Tang Wenqian, Wang Xiaoying. Methods for Nitric Acid Tail Gas Treatment [J]. Chemical Engineering Design, 2008, (05): 13-15+1.
[3] Zhan Yangchun, Tong Haibao. Absorption Reaction of NO_x Gas in Alkali Solution [J]. Chemical Fertilizer Industry, 1993, (03): 22-24.
[4] Wang Caifeng. Progress in Control and Treatment of Nitric Acid Tail Gas [J]. Science and Technology Innovation Herald, 2012, (27): 152.
[5] Peng Chunsheng. Nitric Acid Tail Gas Control and Treatment Process and Practice [J]. Chemical Fertilizer Industry, 2016, 43(02): 50-54.

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