Photoelectrochemical sewage treatment by sulfite activation over an optimized BiVO4 photoanode to simultaneously promote PPCPs degradation, H2 evolution and E. coli disinfection

降级(电信) 亚硫酸盐 污水 污水处理 化学工程 化学 废物管理 环境化学 材料科学 环境科学 制浆造纸工业 环境工程 无机化学 计算机科学 电信 工程类
作者
Zexiao Zheng,Jijun He,Chencheng Dong,Irene M.C. Lo
出处
期刊:Chemical Engineering Journal [Elsevier BV]
卷期号:419: 129418-129418 被引量:35
标识
DOI:10.1016/j.cej.2021.129418
摘要

• The photoelectrochemical performance of BiVO 4 photoanode was significantly improved by controlling morphology. • The PEC activation of sulfite simultaneously promoted PPCPs degradation, H 2 evolution, and E. coli disinfection. • SO 4 − contributed the most to BZP degradation. A new photoelectrochemical (PEC) system by means of adding sodium sulfite (Na 2 SO 3 ) was developed to treat sewage. The PEC system simultaneously promoted pharmaceuticals and personal care products (PPCPs) degradation, H 2 evolution and E. coli disinfection using an optimized, visible–light driven BiVO 4 photoanode. The PEC reactions were first carried out in 1.5 mM Na 2 SO 3 electrolyte. 92.3% of 2 ppm benzophenone-3 (BZP) was degraded, and 115.36 μmol of H 2 was produced in 90 min at 1.0 V vs. Ag/AgCl, which was a significant improvement over cases where the electrolyte was either Na 2 SO 4 or NaCl. The sulfite ions were first activated by holes and then converted into sulfate radicals, which played a dominant role in the degradation of BZP. As the holes were caught by the sulfite, charge separation was also enhanced, increasing H 2 evolution. The PEC reactions were also used to treat real sewage, in which case an 82% improvement in the rate constant of BZP degradation, 60% increase of H 2 evolution, and 0.78 log enhancement of E. coli disinfection were achieved by adding 1.5 mM Na 2 SO 3. The system was also feasible to degrade various PPCPs, and showed excellent reusability and stability, proving its great potential in sewage treatment.
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
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

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
青苔完成签到,获得积分10
刚刚
专注的书包完成签到,获得积分10
刚刚
Bonnienuit完成签到 ,获得积分10
1秒前
暖羊羊Y完成签到 ,获得积分10
1秒前
3秒前
何寒松发布了新的文献求助10
3秒前
撒玉完成签到,获得积分10
3秒前
fei完成签到,获得积分10
3秒前
wuxunxun2015完成签到,获得积分10
4秒前
做实验的猹完成签到,获得积分10
4秒前
pw完成签到 ,获得积分10
6秒前
小白鸽完成签到,获得积分10
6秒前
lzl007完成签到 ,获得积分10
6秒前
田...完成签到,获得积分10
6秒前
布莱橙完成签到,获得积分10
7秒前
dahuihui完成签到,获得积分10
7秒前
着急的柔完成签到,获得积分10
7秒前
125mmD91T完成签到,获得积分10
8秒前
苏杉杉完成签到,获得积分10
9秒前
kongchao008完成签到,获得积分10
10秒前
爽哥完成签到,获得积分10
10秒前
权秋尽完成签到,获得积分10
10秒前
Ava应助秋秋糖xte采纳,获得10
11秒前
MeiyanZou完成签到 ,获得积分10
11秒前
xliiii完成签到,获得积分10
14秒前
zhaoli完成签到 ,获得积分10
17秒前
18秒前
凡而不庸完成签到,获得积分10
18秒前
Woo完成签到 ,获得积分10
19秒前
19秒前
yaya完成签到,获得积分10
19秒前
爱吃大米完成签到,获得积分10
21秒前
细嗅蔷薇完成签到,获得积分10
21秒前
叽里呱啦完成签到 ,获得积分10
21秒前
zhangliangfu完成签到 ,获得积分10
22秒前
半斤完成签到 ,获得积分10
22秒前
恩赐解脱完成签到,获得积分10
22秒前
23秒前
一点完成签到,获得积分10
23秒前
衢夭完成签到,获得积分10
23秒前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
Cognitive Neuroscience: The Biology of the Mind 1000
Technical Brochure TB 814: LPIT applications in HV gas insulated switchgear 1000
Immigrant Incorporation in East Asian Democracies 600
Nucleophilic substitution in azasydnone-modified dinitroanisoles 500
不知道标题是什么 500
A Preliminary Study on Correlation Between Independent Components of Facial Thermal Images and Subjective Assessment of Chronic Stress 500
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 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3968593
求助须知:如何正确求助?哪些是违规求助? 3513416
关于积分的说明 11167791
捐赠科研通 3248853
什么是DOI,文献DOI怎么找? 1794507
邀请新用户注册赠送积分活动 875170
科研通“疑难数据库(出版商)”最低求助积分说明 804671