Robust visible light active PANI/LaFeO3/CoFe2O4 ternary heterojunction for the photo-degradation and mineralization of pharmaceutical effluent: Clozapine

被引：49

作者：

Kumar, Ajay ^{[1
]}

Chandel, Manisha ^{[2
]}

Sharma, Arush ^{[3
]}

Thakur, Manita ^{[2
]}

Kumar, Amit ^{[4
]}

Pathania, Deepak ^{[5
,6
]}

Singh, Lakhveer ^{[7
]}

机构：

[1] Maharaja Agrasen Univ, Sch Basic & Appl Sci, Dept Chem, Solan 174103, Himachal Prades, India

[2] IEC Univ, Dept Chem, Solan 174103, Himachal Prades, India

[3] Baddi Univ Emerging Sci & Technol BUEST, Dept Chem, Solan 174103, Himachal Prades, India

[4] Shenzhen Univ, Shenzhen Key Lab Polymer Sci & Technol, Shenzhen 518060, Peoples R China

[5] Cent Univ Jammu, Dept Environm Sci, Bagla Rahya Suchani, Jammu 181143, Jammu & Kashmir, India

[6] Sardar Vallabhbhai Patel Cluster Univ, Dept Chem, Mandi 175001, Himachal Prades, India

[7] SRM Univ AP, Dept Environm Sci, Amaravati, Andhra Pradesh, India

来源：

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING | 2021年 / 9卷 / 05期

关键词：

Nanocomposite; Clozapine; Heterojunction; Visible light; Photo degradation; ENHANCED PHOTOCATALYTIC ACTIVITY; COFE2O4; NANOPARTICLES; QUANTUM DOTS; WASTE-WATER; REMOVAL; NANOCOMPOSITE; POLYANILINE; TIO2; DEGRADATION; FABRICATION;

D O I：

10.1016/j.jece.2021.106159

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this work we report the fabrication of novel magnetic ternary PANI/LaFeO3/CoFe2O4 (PLC) heterojunction through in situ polymerization of aniline. As fabricated photo catalyst has been characterized by using FT-IR, XRD and XPS. The surface as well as internal morphologies has been studied by SEM and TEM. The optical activities have been investigated by UV-Vis and photoluminescence spectroscopy. The synthesized catalysts were used for effective photo degradation of pharmaceutical pollutant clozapine (CZP) under visible light irradiation. In comparison with sole counterpart photo catalysts PANI, LaFeO3 and CoFe2O4, PLC demonstrated superior photo-activity, PLC able to degrade 94.2% of CZP over 120 min photo degradation experiment. The effect of catalysts dosage, pH, SO42-, NO3- and HCO3- ion on the photocatalytic activity has been explored. 37.4% and 78.3% of TOC and COD removal has been achieved for the CZP photo-degradation by PLC. The major active radical species have been identified by performing radical scavenging experiment.

引用

页数：16

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