Experimental study on NO oxidation by K2S2O8 + Fe(II)EDTA

被引：9
|
作者：
Hu, Hui [1 ]
Huang, Hao [1 ]
Tao, Gong-Kai [1 ]
Xie, Jing [2 ]
Yang, Cheng [3 ]
Huang, Ting [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Environm Sci & Engn, Wuhan 430074, Peoples R China
[2] China Univ Geosci, Fac Mat Sci & Chem, Wuhan 430074, Peoples R China
[3] Tsinghua Univ, Grad Sch Shenzhen, Key Lab Microorganism Applicat & Risk Control She, Shenzhen, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2017年 / 678卷
基金：
中国国家自然科学基金;
关键词：
Potassium persulfate; Fe(II)EDTA; Denitrification; Wet oxidation; FLUE-GAS; NITRIC-OXIDE; SIMULTANEOUS ABSORPTION; SIMULTANEOUS REMOVAL; SODIUM PERSULFATE; AQUEOUS-SOLUTIONS; FENTON REAGENT; KINETICS; SO2; MECHANISM;
D O I：
10.1016/j.cplett.2017.04.029
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
NO absorption and oxidation by K2S2O8 + Fe(II)EDTA system was studied in a lab-scale bubble reactor. The effects of different additives, reaction temperatures, pH values, K2S2O8 and Fe(II)EDTA concentrations on NO conversion were systematic investigated. Results indicated that NO conversion rate of K2S2O8 + Fe (II)EDTA system increased to 91.6% when concentrations of K2S2O8 and Fe(II)EDTA were both 30 mmol/L at 80 degrees C. NO conversion rate was positively correlated with the SO42- concentration in absorption solution, and it kept around 80% in a wide pH range, which made this technology to be a promising method for the denitrification of coal-fired flue gas. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：23 / 27
页数：5
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