期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 84, 期 2-3, 页码 241-252出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0304-3894(01)00215-1
关键词
absorption; reaction kinetics; nitric oxide; sodium chlorite; stirred tank
A combined wet scrubbing SOx/NOx removal system is an advanced air pollution control process. In this process, the mechanism of NO removal is relatively unknown. Consequently, absorption of NO by alkaline solutions of NaClO2 was studied to clarify the reaction kinetics. The experiments were carried out mainly at temperature 50 degreesC which is the common operating temperature for wet scrubbers. The assumption that the absorption occurred under the fast pseudo-mth reaction regime was verified in the experiments. The absorption rate of NO into NaClO2 solutions was found to be proportional to P-NO.0(2) and [NaClO2](0)(2). The addition of NaOH to solutions of NaClO2 decreased the absorption rate of NO. The absorption rate of NO at 25 degreesC is lower than at 50 degreesC. In the study, the absorption rate of NO did not change with changing gas flow rates. (C) 2001 Elsevier Science B.V. All rights reserved.
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