文献类型：期刊文献

英文题名：Simultaneous Removal of NO and SO₂ from Exhaust Gas by Cyclic Scrubbing and Online Supplementing pH-Buffered NaClO₂ Solution

作者：Han, Zhitao[1,3];Lan, Tian[1];Han, Zhiwei[1];Yang, Shaolong[2];Dong, Jingming[1];Sun, Deping[1];Yan, Zhijun[1];Pan, Xinxiang[1,3];Song, Liguo[1]

机构：[1]Dalian Maritime Univ, Marine Engn Coll, Dalian 116024, Peoples R China;[2]Huazhong Univ Sci & Technol, Sch Naval Architecture & Ocean Engn, Wuhan 430074, Peoples R China;[3]Guangdong Ocean Univ, Coll Ocean Engn, Zhanjiang 524088, Peoples R China

年份：2019

卷号：33

期号：7

起止页码：6591

外文期刊名：ENERGY & FUELS

收录：SCI-EXPANDED(收录号：WOS:000476693400085)、、WOS

基金：This work was supported by the National Natural Science Foundation of China (grants 51779024, 51809100, 51709029, and 51779023), and the Fundamental Research Funds for the Central Universities (grants 3132018249, 3132016337 and 2018KFYYXJJ015).

语种：英文

外文摘要：Experiments were conducted to simultaneously remove NO and SO2 from simulated exhaust gas by cyclic scrubbing and online supplementing pH-buffered NaClO2 solutions in a bench-scale reactor. The effects of key operating parameters on pollutant removal performance had been investigated. The results suggested that an extremely high oxidant utilization rate could be obtained when the oxidant supplementing molar rate approached the oxidant consumption molar rate. Though co-existing SO2 in flue gas would consume a certain amount of the oxidant during the absorption process, the intermediate products of SO32- ions generated from SO2 hydrolysis might be in favor of NO2 absorption to some extent. The introduction of ethanol in scrubbing solution could enhance NOx removal performance largely, which was possibly because of its inhibition effect on SO32- oxidation. The reaction mechanism and reaction products in scrubbing solutions were also discussed roughly through theoretical calculations and ion chromatography analysis.