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In-situ production and activation of H2O2 over hydroxyapatite modified CuFeO2 for self-sufficient heterogeneous photo-Fenton degradation of doxycycline hydrochloride.
Dong, Yanan; Wang, Dong; Zhu, Yingchen; Wang, Qianwen; Liu, Guocheng; Yan, Qinghua; Liu, Yucan; Chen, Qinghua; Ma, Dong; Zhang, Guangshan; Xin, Shuaishuai; Xin, Yanjun.
Afiliación
  • Dong Y; Qingdao Engineering Research Center for Rural Environment, Water Resources Protection and Utilization Center for Rural Areas, Qingdao Agricultural University, Qingdao 266109, China.
  • Wang D; Qingdao Engineering Research Center for Rural Environment, Water Resources Protection and Utilization Center for Rural Areas, Qingdao Agricultural University, Qingdao 266109, China.
  • Zhu Y; Qingdao Engineering Research Center for Rural Environment, Water Resources Protection and Utilization Center for Rural Areas, Qingdao Agricultural University, Qingdao 266109, China.
  • Wang Q; Qingdao Engineering Research Center for Rural Environment, Water Resources Protection and Utilization Center for Rural Areas, Qingdao Agricultural University, Qingdao 266109, China.
  • Liu G; Qingdao Engineering Research Center for Rural Environment, Water Resources Protection and Utilization Center for Rural Areas, Qingdao Agricultural University, Qingdao 266109, China.
  • Yan Q; Qingdao Engineering Research Center for Rural Environment, Water Resources Protection and Utilization Center for Rural Areas, Qingdao Agricultural University, Qingdao 266109, China.
  • Liu Y; School of Civil Engineering, Yantai University, Yantai 264005, China.
  • Chen Q; Qingdao Engineering Research Center for Rural Environment, Water Resources Protection and Utilization Center for Rural Areas, Qingdao Agricultural University, Qingdao 266109, China.
  • Ma D; Qingdao Engineering Research Center for Rural Environment, Water Resources Protection and Utilization Center for Rural Areas, Qingdao Agricultural University, Qingdao 266109, China.
  • Zhang G; Qingdao Engineering Research Center for Rural Environment, Water Resources Protection and Utilization Center for Rural Areas, Qingdao Agricultural University, Qingdao 266109, China.
  • Xin S; Qingdao Engineering Research Center for Rural Environment, Water Resources Protection and Utilization Center for Rural Areas, Qingdao Agricultural University, Qingdao 266109, China. Electronic address: xinshuaishuai90@outlook.com.
  • Xin Y; Qingdao Engineering Research Center for Rural Environment, Water Resources Protection and Utilization Center for Rural Areas, Qingdao Agricultural University, Qingdao 266109, China. Electronic address: xintom2000@126.com.
J Colloid Interface Sci ; 658: 286-300, 2024 Mar 15.
Article en En | MEDLINE | ID: mdl-38109816
ABSTRACT
The self-sufficient heterogeneous photo-Fenton (SH-PF) system was constructed for doxycycline hydrochloride (DOH) degradation with hydroxyapatite (Hap) modified CuFeO2 (Hap/CuFeO2) composites through H2O2 in-situ production. The modification of Hap could improve the specific surface area, visible-light response, light conversion efficiency, photoelectron lifetime and oxygen vacancies (OVs) of CuFeO2, which was conducive to H2O2 production and DOH degradation in SH-PF system. Notably, Hap/CuFeO2 fabricated with 0.5 g Hap (Hap/CuFeO2-0.5) displayed more superior performance for DOH degradation compared to other synthesized catalysts. The Hap/CuFeO2-0.5 load and initial solution pH for DOH degradation in SH-PF system were optimized, and the Hap/CuFeO2-0.5 had good reusability and stability. The •OH was the main active species for DOH degradation, and the facilitation effect of •O2- and photoelectrons on DOH degradation was associated with the H2O2 production in the present work. In addition, the capture of photogenerated holes suppressed the recombination of photogenerated carriers, elevating the production of photoelectrons and thereby enhancing H2O2 production and DOH degradation. The degradation pathways for DOH were proposed and the comprehensive toxicities of DOH were relieved after degradation in SH-PF system.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Colloid Interface Sci Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Colloid Interface Sci Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Estados Unidos