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- Title
The Effect of CaO on the CO and NO x Emission Characteristics of Fast-Growing Grass Combustion.
- Authors
Li, Yan; Hong, Qingchao; Liu, Haili; Liu, Heyun
- Abstract
Fast-growing grass is a biomass material with characteristics such as high temperature and drought resistance; rapid growth and development; and repeated germination and cutting. Therefore, it is a popular biomass fuel. It is required that the pollutants produced during the biomass combustion process are appropriately controlled. For this purpose, our study analyses the influence of combustion temperature and calcium oxide (CaO) on the nitrogen oxides (NOx) and carbon monoxide (CO) emission characteristics of fast-growing grass combustion using the biomass combustion flue gas analysis and testing platform. The results of our analysis revealed that CaO additive can simultaneously reduce the peak and total NOx emissions at 750 °C. Particularly, 5% CaO demonstrated a significant control effect on the NOx emission from the fast-growing grass combustion process, with a peak and total emissions reduction of 47.05% and 56.81%, respectively. In addition, with an increase in temperature, the CO emission curve attains a second peak higher than the first peak, and the peak and total emissions show a decreasing trend.
- Subjects
NITROGEN oxides; BIOMASS burning; FLUE gas analysis; COMBUSTION; HEAT resistant materials; LIME (Minerals)
- Publication
Processes, 2023, Vol 11, Issue 3, p760
- ISSN
2227-9717
- Publication type
Article
- DOI
10.3390/pr11030760