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Journal of Zhejiang University SCIENCE B 2006 Vol.7 No.1 P.38-42


Study on NO2 absorption by ascorbic acid and various chemicals

Author(s):  Li Wei, Wu Cheng-zhi, Fang He-liang, Shi Yao, Lei Le-cheng

Affiliation(s):  Institute of Environmental Engineering, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s):   yaoshi@zju.edu.cn

Key Words:  NO2, Absorption, Rate constant, Ascorbic acid

Li Wei, Wu Cheng-zhi, Fang He-liang, Shi Yao, Lei Le-cheng. Study on NO2 absorption by ascorbic acid and various chemicals[J]. Journal of Zhejiang University Science B, 2006, 7(1): 38-42.

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Study on NO2 absorption aimed at seeking a better NO2 absorption chemical at pH 4.5~7.0 for application to existing wet flue gas desulfurization (FGD). The results from the double-stirred reactor indicated that ascorbic acid has very high absorption rate at this pH range. The rate constant of ascorbic acid reaction with NO2 (0~1000×10−6 mol/mol) is about 3.54×106 mol/(L∙s) at pH 5.4~6.5 at 55 °C.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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