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ISSN : 2093-2332(Print)
ISSN : 2287-5638(Online)
Journal of Korea Society of Waste Management Vol.35 No.8 pp.754-761

A Study on the Characteristics of Pollutants in CFBC Boiler with Ammonium Sulfate Injection

Chang-Yeol Lee, Bok-Hoa Jeong, Jin-Do Chung*
Department of Energy & Climate Fusion Technology, Hoseo University
*Department of Environmental Engineering, Hoseo University
First author and Corresponding author : Chang-Yeol Lee, Ph. D. student, Hoseo University,, 070-5000-1010


There is growing concern over the effects of global warning. In response, the power generation sector must consider a wider range of systems and fuels to generate power. One of the classes of solid fuels that is being increasingly developed is biomass. However, one of the most serious problems that biomass plants face is severe corrosion. To mitigate the problem, various approaches have been proposed in terms of additive utilization. This study is based on the results obtained during the co-combustion of wood chip and waste wood in a circulating fluidized bed boiler (CFBC boiler). The KCl concentration was reduced from 59.9 ppm to 3.9 ppm during the injection of ammonium sulfate, and NOx was reduced by 25.5 ppm from 30.6 ppm to 5.1 ppm. However, SOx increased by 110.2 ppm from 33.2 ppm to 143.4 ppm, and HCl increased by 71.5 ppm from 340.5 ppm to 412.0 ppm. Thus, we confirmed that the attitude of the superheater tube was reduced by 87 ~ 93%, and the injection of ammonium sulfate was effective in preventing high-temperature corrosion.

황산암모늄 주입시 CFBC 보일러의 오염물질 특성 연구

이창열, 정복화, 정진도*
호서대학교 에너지기후융합기술학과, *호서대학교 환경공학과