RCEES OpenIR  > 中国科学院饮用水科学与技术重点实验室
Humic acid removal by gas-liquid interface discharge plasma: performance, mechanism and comparison to ozonation
Cui, Yanyan; Yu, Jianwei; Su, Ming; Jia, Zeyu; Liu, Tingting; Oinuma, Gaku; Yamauchi, Tokiko
2019
Source PublicationENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY
ISSN2053-1400
Volume5Issue:1Pages:152-160
AbstractThe removal of natural organic matter (NOM) is a major objective for drinking water treatment. In this study, a novel advanced oxidation process (AOP) based on plasma in gas-liquid interface discharge was investigated for removing humic acid (HA), and ozonation treatment effect was evaluated as a comparison. Several indexes including UV254, dissolved organic carbon (DOC), specific UV absorbance (SUVA), and excitation-emission matrix (EEM) fluorescence spectra were employed to characterize HA transformation. The results showed that typical species including ozone, hydrogen peroxide and HO were produced in the plasma process, which made better removal efficiency than ozonation. Especially, UV254 was removed effectively by 96.5% and 90.3% within 15 min by plasma and ozonation, while DOC was 49.2% and 41.1%, respectively. HO radicals were majorly responsible for the degradation of HA in the plasma process, which were mainly generated via reaction of in situ produced ozone and H2O2 during the discharge process. UV/vis absorbance and EEM results further showed that HA with the large molecular weight fraction was decomposed to small molecular weight fraction. This study indicates that plasma technology has a significant application prospect as a replacement for ozone in drinking water industry.
Department中国科学院饮用水科学与技术重点实验室
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/43473
Collection中国科学院饮用水科学与技术重点实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
2.China Univ Min & Technol, Beijing 100083, Peoples R China
3.Mitsubishi Electr Corp, Adv Technol R&D Ctr, Kobe, Hyogo, Japan
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Cui, Yanyan,Yu, Jianwei,Su, Ming,et al. Humic acid removal by gas-liquid interface discharge plasma: performance, mechanism and comparison to ozonation[J]. ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY,2019,5(1):152-160.
APA Cui, Yanyan.,Yu, Jianwei.,Su, Ming.,Jia, Zeyu.,Liu, Tingting.,...&Yamauchi, Tokiko.(2019).Humic acid removal by gas-liquid interface discharge plasma: performance, mechanism and comparison to ozonation.ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY,5(1),152-160.
MLA Cui, Yanyan,et al."Humic acid removal by gas-liquid interface discharge plasma: performance, mechanism and comparison to ozonation".ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY 5.1(2019):152-160.
Files in This Item: Download All
File Name/Size DocType Version Access License
Humic acid removal b(3225KB)期刊论文出版稿开放获取CC BY-NC-SAView Download
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Cui, Yanyan]'s Articles
[Yu, Jianwei]'s Articles
[Su, Ming]'s Articles
Baidu academic
Similar articles in Baidu academic
[Cui, Yanyan]'s Articles
[Yu, Jianwei]'s Articles
[Su, Ming]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Cui, Yanyan]'s Articles
[Yu, Jianwei]'s Articles
[Su, Ming]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: Humic acid removal by gas–liquid interface discharge plasma performance, mechanism and comparison to ozonation.pdf
Format: Adobe PDF
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.