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	Mechanism and Kinetics of Sulfite Oxidation in the Presence of Ethanol
	Wang, Li-Dong ; Ma, Yong-Liang ; Hao, Ji-Ming ; Zhao, Yi
	2010-10-12 ; 2010-10-12
关键词	DISSOLVED SULFUR-DIOXIDE CALCIUM SULFITE LIGHT WATER DESULFURIZATION INHIBITION BISULFITE SLURRIES ACID Engineering, Chemical
中文摘要	Oxidation of sulfite is all important process in flue gas desulfurization. The inhibitory effects of four inhibitors on the intrinsic oxidation of sulfite were compared, and ethanol was found to be all excellent inhibitor. The intrinsic oxidation kinetics of sulfite in the presence Of ethanol used as all inhibitor was investigated using a batch apparatus. The reaction orders of the reagents and the activation energy were obtained. The results indicate that the intrinsic reaction proceeds in two steps: rapid reaction in all oxygen-rich state and slow reaction in an oxygen-depleted state. Integrated with the macroscopic oxidation kinetics of calcium sulfite in the presence of an ethanol inhibitor, it was concluded that the macroscopic oxidation process is controlled by the intrinsic reaction rate and the intrinsic oxidation reaction proceeds in the rapid reaction state. Furthermore, a mechanism for the intrinsic reaction is proposed based oil a steady-state assumption. The results derived with this mechanism are in good agreement with the experimental results.
语种	英语 ; 英语
出版者	AMER CHEMICAL SOC ; WASHINGTON ; 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/79807]
专题	清华大学
推荐引用方式 GB/T 7714	Wang, Li-Dong,Ma, Yong-Liang,Hao, Ji-Ming,et al. Mechanism and Kinetics of Sulfite Oxidation in the Presence of Ethanol[J],2010, 2010.
APA	Wang, Li-Dong,Ma, Yong-Liang,Hao, Ji-Ming,&Zhao, Yi.(2010).Mechanism and Kinetics of Sulfite Oxidation in the Presence of Ethanol..
MLA	Wang, Li-Dong,et al."Mechanism and Kinetics of Sulfite Oxidation in the Presence of Ethanol".(2010).

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