LaCoO<sub>3</sub>钙钛矿活化过一硫酸盐降解萘普生

王柯晴; 徐劼; 沈芷璇; 陈家斌; 吴玮

doi:10.11949/0438-1157.20191104

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LaCoO₃钙钛矿活化过一硫酸盐降解萘普生

能源和环境工程 | 更新时间：2020-06-24

- LaCoO₃钙钛矿活化过一硫酸盐降解萘普生
- Degradation of naproxen by peroxymonosulfate activated with LaCoO₃
- 化工学报 2020年71卷第3期页码：1326-1334
- 作者机构：
  
  1.苏州科技大学环境科学与工程学院，江苏苏州 215000
  2.同济大学环境科学与工程学院，上海 200092
- 作者简介：
  
  王柯晴（1996—），女，硕士研究生，wkqresearch@163.com
  吴玮（1979—），女，博士，副教授，wuwei@usts.edu.cn
- 基金信息：
  
  水体污染控制与治理科技重大专项(2017ZX07201001)
- DOI：10.11949/0438-1157.20191104
  中图分类号： X 787
- 收稿：2019-10-07，
  
  修回：2019-12-07，
  
  纸质出版：2020-03-05
- 稿件说明：
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王柯晴, 徐劼, 沈芷璇, 陈家斌, 吴玮. LaCoO₃钙钛矿活化过一硫酸盐降解萘普生[J]. 化工学报, 2020, 71(3): 1326-1334 DOI: 10.11949/0438-1157.20191104.

WANG Keqing, XU Jie, SHEN Zhixuan, CHEN Jiabin, WU Wei. Degradation of naproxen by peroxymonosulfate activated with LaCoO₃[J]. CIESC Journal, 2020, 71(3): 1326-1334 DOI: 10.11949/0438-1157.20191104.
王柯晴, 徐劼, 沈芷璇, 陈家斌, 吴玮. LaCoO₃钙钛矿活化过一硫酸盐降解萘普生[J]. 化工学报, 2020, 71(3): 1326-1334 DOI: 10.11949/0438-1157.20191104. DOI：

WANG Keqing, XU Jie, SHEN Zhixuan, CHEN Jiabin, WU Wei. Degradation of naproxen by peroxymonosulfate activated with LaCoO₃[J]. CIESC Journal, 2020, 71(3): 1326-1334 DOI: 10.11949/0438-1157.20191104. DOI：

摘要

在催化活化过一硫酸盐(PMS)降解水中污染物的反应中，通过添加钴基钙钛矿提高反应效率。利用溶胶凝胶法制备了LaCoO

钙钛矿，通过实验评估LaCoO

/PMS体系对非甾体抗炎药萘普生（NAP）的降解效果。分析了LaCoO

投加量、PMS投加量、反应初始pH、Cl

浓度和腐殖酸（HA）对NAP去除率的影响以及该体系的矿化能力。结果表明NAP降解的反应速率随LaCoO

和PMS投加量增加而增大；反应初始pH在5.0时NAP降解效果最好；溶液中存在Cl

对降解有促进效果，且Cl

浓度越大促进效果越明显；腐殖酸（HA）对反应有一定程度的抑制效果；LaCoO

在重复利用5次时仍有较好的稳定性。此外，自由基淬灭实验结果表明在LaCoO

/PMS体系中SO

·-

为主要活性物质。

Abstract

In the reaction of catalytically activated peroxymonosulfate (PMS) degradation of pollutants in water

the reaction efficiency was improved by adding cobalt-based perovskite. The degradation effect of LaCoO

/PMS on naproxen（NAP） was evaluated by different system experiments. The effects of LaCoO

dosing

PMS dosing

initial pH

concentration and humic acid (HA) on NAP removal rate and mineralization ability of the system were investigated. The degradation rate of NAP increased with the rising PMS concentration and increasing LaCoO

dosage. The best removal efficiency was obtained at pH 5.0. Moreover

the presence of Cl

in solution slightly promoted the degradation of NAP

however

humic acid (HA) inhibited the reaction to some extent. LaCoO

still has good stability after five reuses. In addition

the radical quenching test showed the

http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=11084950&type=

http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=11084947&type=

6.94266701

4.06400013

was the main radical specie of LaCoO

/PMS reaction.

关键词

Keywords

references

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LaCoO3钙钛矿活化过一硫酸盐降解萘普生

Degradation of naproxen by peroxymonosulfate activated with LaCoO3

DOI：10.11949/0438-1157.20191104

摘要

Abstract

关键词

Keywords

references

LaCoO₃钙钛矿活化过一硫酸盐降解萘普生

Degradation of naproxen by peroxymonosulfate activated with LaCoO₃