期刊
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷 48, 期 3, 页码 1287-1291出版社
AMER CHEMICAL SOC
DOI: 10.1021/ie801544t
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资金
- Jiangxi Boyuan Industry Co., Ltd. (Jiangxi province, China)
In this work, ethylene glycol (EG) (1) + water (2) solutions (EGWs) were used as the promising medium for the absorption and desorption processes of SO2. Desorption data showed that SO2 can be desorbed easily from EGWs + SO2 at 333 K. Phi(1) = 70-90% (volume fraction of EG in EGWs) were considered as reasonable compositions of desulfurization solution. Considering the industrial flue gas desulfurization (FGD) processes, Phi(1) = 80% EGW (approximately 0.5 molar fraction of EG) was confirmed as the optimum composition of desulfurization solution. When conventional UV, FTIR, and H-1 NMR spectroscopic techniques were used for inspection of spectral changes of SO2 in EGWs, the spectral results suggest that SO2 can interact with EG by hydrogen bonds.
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