Activated carbon fiber as an efficient co-catalyst toward accelerating Fe2+/Fe3+ cycling for improved removal of antibiotic cefaclor via electro-Fenton process using a gas diffusion electrode

矿化(土壤科学) 催化作用 化学 高级氧化法 X射线光电子能谱 阳极 化学工程 激进的 无机化学 电极 有机化学 物理化学 工程类 氮气
作者
Yue Zhao,Aimin Wang,Songyu Ren,Yanyu Zhang,Ni Zhang,Yongjun Song,Zhongguo Zhang
出处
期刊:Environmental Research [Elsevier BV]
卷期号:249: 118254-118254 被引量:6
标识
DOI:10.1016/j.envres.2024.118254
摘要

The electro-Fenton (EF) based on gas-diffusion electrodes (GDEs) reveals promising application prospective towards recalcitrant organics degradation because such GDEs often yields superior H2O2 generation efficiency and selectivity. However, the low efficiency of Fe2+/Fe3+ cycle with GDEs is always considered to be the limiting step for the EF process. In this study, activated carbon fiber (ACF) was firstly employed as co-catalyst to facilitate the performance of antibiotic cefaclor (CEC) decomposition in EF process. It was found that the addition of ACF co-catalyst achieved a rapid Fe2+/Fe3+ cycling, which significantly enhanced Fenton's reaction and hydroxyl radicals (•OH) generation. X-ray photoelectron spectroscopy (XPS) results indicated that the functional groups on ACF surface are related to the conversion of Fe3+ into Fe2+. Moreover, DMSO probing experiment confirmed the enhanced •OH production in EF + ACF system compared to conventional EF system. When inactive BDD and Ti4O7/Ti anodes were paired to EF system, the addition of ACF could significantly improve mineralization degree. However, a large amount of toxic byproducts, including chlorate (ClO3−) and perchlorate (ClO4−), were generated in these EF processes, especially for BDD anode, due to their robust oxidation capacity. Higher mineralization efficiency and less toxic ClO4− generation were obtained in the EF + ACF process with Ti4O7/Ti anode. This presents a novel alternative for efficient chloride-containing organic removal during wastewater remediation.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
赘婿应助简奥斯汀采纳,获得30
刚刚
MQ发布了新的文献求助10
1秒前
小李李完成签到 ,获得积分10
1秒前
1秒前
MISSIW完成签到,获得积分10
3秒前
清爽老九完成签到,获得积分10
4秒前
superhero完成签到,获得积分10
5秒前
最初呢发布了新的文献求助10
7秒前
lll完成签到,获得积分10
7秒前
9秒前
Jasper应助白茶泡泡球采纳,获得10
10秒前
spenley发布了新的文献求助10
13秒前
13秒前
天真小甜瓜完成签到,获得积分10
15秒前
泥過完成签到 ,获得积分10
16秒前
海心完成签到 ,获得积分10
17秒前
想啊想完成签到,获得积分10
17秒前
英勇含烟应助小远远采纳,获得10
17秒前
18秒前
wad1314完成签到,获得积分10
19秒前
杨凤智完成签到 ,获得积分10
19秒前
19秒前
yanjiusheng完成签到,获得积分10
21秒前
21秒前
23秒前
科研小白完成签到 ,获得积分10
24秒前
香蕉觅云应助Snieno采纳,获得10
25秒前
邹栗完成签到 ,获得积分10
26秒前
26秒前
麻辣厨子发布了新的文献求助10
27秒前
最初呢完成签到,获得积分10
28秒前
29秒前
BELIEVE发布了新的文献求助30
31秒前
科研通AI5应助kellen采纳,获得10
33秒前
潇洒的诗桃应助whichwhy采纳,获得10
33秒前
kai_完成签到,获得积分10
34秒前
shijie805发布了新的文献求助10
34秒前
Snieno完成签到,获得积分10
35秒前
豚豚完成签到,获得积分10
36秒前
手可摘星陈同学完成签到 ,获得积分10
36秒前
高分求助中
Production Logging: Theoretical and Interpretive Elements 2700
Neuromuscular and Electrodiagnostic Medicine Board Review 1000
こんなに痛いのにどうして「なんでもない」と医者にいわれてしまうのでしょうか 510
The First Nuclear Era: The Life and Times of a Technological Fixer 500
Unusual formation of 4-diazo-3-nitriminopyrazoles upon acid nitration of pyrazolo[3,4-d][1,2,3]triazoles 500
岡本唐貴自伝的回想画集 500
Distinct Aggregation Behaviors and Rheological Responses of Two Terminally Functionalized Polyisoprenes with Different Quadruple Hydrogen Bonding Motifs 450
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 物理 生物化学 纳米技术 计算机科学 化学工程 内科学 复合材料 物理化学 电极 遗传学 量子力学 基因 冶金 催化作用
热门帖子
关注 科研通微信公众号,转发送积分 3671635
求助须知:如何正确求助?哪些是违规求助? 3228335
关于积分的说明 9779690
捐赠科研通 2938645
什么是DOI,文献DOI怎么找? 1610206
邀请新用户注册赠送积分活动 760547
科研通“疑难数据库(出版商)”最低求助积分说明 736093