Characteristics of the CaCO3 Sorbent Particles for In-furnace Desulfurization Process: Effects of Residence Time and Atmospheric Condition

Title
Characteristics of the CaCO3 Sorbent Particles for In-furnace Desulfurization Process: Effects of Residence Time and Atmospheric Condition
Authors
이강수정재희길상인이형근김상수
Keywords
CCS (CO2 capture & Storage); 이산화탄소 포집 및 저장; Calcination; 하소 반응; O2/CO2 Combustion System; 순산소연소 시스템
Issue Date
2010-02
Publisher
대한기계학회논문집B; Transactions of the Korean Society of Mechanical Engineers B
Citation
VOL 34, NO 2, 121-127
Abstract
In-furnace desulfurization technique is applied to the O2/CO2 combustion system for CCS process because this combustion system does not need additional chamber for the desulfurzation. The CaCO3 sorbent particles, which have wide size range from a few nanometers to several tens of micrometers, are used for this process. In this study, the experimental system which can simulate the O2/CO2 combustion system was developed. CaCO3 sorbent particles were exposed to the high temperature reactor at 1200℃ with various residence times (0.33~1.46 sec) in air and CO2 atmospheric conditions, respectively. Then, the sorbent particles were sampled at inlet and outlet of the reactor and analyzed qualitatively/quantitatively using SMPS, XRD, TGA and SEM. In a result, it was shown that the residence time and atmospheric condition in a high temperature reactor can affect the characteristics of CaCO3 sorbent particles, such as calcination rate and reaction mechanism, for infurnace desulfurization technique.
URI
http://pubs.kist.re.kr/handle/201004/39268
ISSN
1226-4881
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KIST Publication > Article
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