Catalytic oxidation of o-chloroaniline in hot compressed water: Degradation behaviors and nitrogen transformation
文献类型:期刊论文
作者 | Hu, Mian1; Huang, Xiaotong1; Sun, Letao1; Zheng, Weicheng1; Chou, I-Ming2; Wu, Libo3; Wan, Jinling3; Pan, Zhiyan1; Wang, Junliang1 |
刊名 | SEPARATION AND PURIFICATION TECHNOLOGY |
出版日期 | 2021-11-01 |
卷号 | 274页码:11 |
ISSN号 | 1383-5866 |
关键词 | Catalytic oxidation O-Chloroaniline Hot compressed water Degradation behaviors Nitrogen transformation |
DOI | 10.1016/j.seppur.2021.119107 |
英文摘要 | Catalytic oxidation of o-chloroaniline (o-ClA) in hot compressed water (HCW) was investigated in a fused quartz tube reactor (FQTR) to determine the effects of catalyst, temperature, oxygen stoichiometric ratio (OSR) and reaction time on o-ClA mineralization, total nitrogen (TN) removal rate and nitrogen-containing products distribution. The results showed that o-ClA can be effectively degraded in HCW. With the increased of OSR, retention time and temperature or added of Mn2O3 as catalyst, the mineralization rate of o-ClA and the removal rate of TN increased. Ammonia-N was the main nitrogen-containing intermediate product of o-ClA degradation, however, when the oxidant was excessive, ammonia-N was oxidized to form nitrate-N. Althought the catalytic effect of Mn2O3 on the mineralization of o-ClA was not outstanding, it promoted the removal of ammonia-N from the benzene ring, improved the degradtion of ammonia-N, and inhibited the production of nitrate-N. GC-MS analyzed results indicated that o-chlorophenol was the main degradation intermediate product of o-ClA in HCWO process. Meanwhile, the potential degradation pathway of o-ClA was proposed. This work thus provides basic knowledge about o-ClA catalytic oxidation removal in HCW process. |
WOS关键词 | SUPERCRITICAL WATER ; VOLUME EXPANSION ; SPECTROSCOPY ; MECHANISM ; ANILINE ; AMMONIA ; OXYGEN |
资助项目 | Natural Science Foundation of China[41977304] ; Key Research & development program of Zhejiang Province[2021C03174] |
WOS研究方向 | Engineering |
语种 | 英语 |
出版者 | ELSEVIER |
WOS记录号 | WOS:000668909700011 |
资助机构 | Natural Science Foundation of China ; Key Research & development program of Zhejiang Province |
源URL | [http://ir.idsse.ac.cn/handle/183446/8736] |
专题 | 深海科学研究部_深海极端环境模拟研究实验室 |
通讯作者 | Wang, Junliang |
作者单位 | 1.Zhejiang Univ Technol, Coll Environm, Hangzhou 310032, Zhejiang, Peoples R China 2.Chinese Acad Sci, Inst Deep Sea Sci & Engn, CAS Key Lab Expt Study Deep Sea Extreme Condit, Sanya 572000, Hainan, Peoples R China 3.Hangzhou Shenrui Water Co Ltd, Hangzhou 310000, Zhejiang, Peoples R China |
推荐引用方式 GB/T 7714 | Hu, Mian,Huang, Xiaotong,Sun, Letao,et al. Catalytic oxidation of o-chloroaniline in hot compressed water: Degradation behaviors and nitrogen transformation[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2021,274:11. |
APA | Hu, Mian.,Huang, Xiaotong.,Sun, Letao.,Zheng, Weicheng.,Chou, I-Ming.,...&Wang, Junliang.(2021).Catalytic oxidation of o-chloroaniline in hot compressed water: Degradation behaviors and nitrogen transformation.SEPARATION AND PURIFICATION TECHNOLOGY,274,11. |
MLA | Hu, Mian,et al."Catalytic oxidation of o-chloroaniline in hot compressed water: Degradation behaviors and nitrogen transformation".SEPARATION AND PURIFICATION TECHNOLOGY 274(2021):11. |
入库方式: OAI收割
来源:深海科学与工程研究所
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