Author
Listed:
- Bo Zhang
(School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
Key Laboratory for Theory and Technology of Intelligent Agricultural Machinery and Equipment, Jiangsu University, Zhenjiang 212013, China
Jiangsu Province and Education Ministry Cosponsored Synergistic Innovation Center of Modern Agricultural Equipment, Jiangsu University, Zhenjiang 212013, China)
- Xinkang Hu
(School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China)
- Congyang Zhang
(School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China)
- Xiaohong Xu
(School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China)
- Chundu Wu
(School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
Key Laboratory for Theory and Technology of Intelligent Agricultural Machinery and Equipment, Jiangsu University, Zhenjiang 212013, China
Jiangsu Province and Education Ministry Cosponsored Synergistic Innovation Center of Modern Agricultural Equipment, Jiangsu University, Zhenjiang 212013, China)
Abstract
To enhance the efficiency of flue gas purification from straw combustion, a combined approach using the ammonia method and electrostatic charged spray was investigated. This study investigated the charging characteristics of atomized droplets and their impact on flue gas purification. The results show that the charge-to-mass ratio of droplets increases and then decreases as charging voltages increase. At a constant voltage, the ratio increases with higher ammonia concentrations and shows a gradual increase with higher spray pressures. For flue gases from three common straw combustion sources, the average dust removal rate at 8 kV was 2.5 to 3 times higher than at 0 kV. Under the 8 kV condition with a 10% ammonia solution, the NO removal rate was approximately 4.7 times, and the NO 2 removal rate was 2.8 times compared to water alone. Particulate matter, NO, and NO 2 removal rates were 61.2%, 88.6%, and 88.1%, respectively, at a spray pressure of 0.5 MPa, 8 kV charging voltage, and 10% ammonia concentration. This study provides an experimental foundation for developing high-efficiency flue gas purification systems for straw combustion.
Suggested Citation
Bo Zhang & Xinkang Hu & Congyang Zhang & Xiaohong Xu & Chundu Wu, 2025.
"Synergistic Purification of Flue Gas from Straw Combustion Using Ammonia Method and Electrostatic Charged Spray,"
Agriculture, MDPI, vol. 15(9), pages 1-14, May.
Handle:
RePEc:gam:jagris:v:15:y:2025:i:9:p:1001-:d:1649860
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