FeS2 Loaded Porous SiO2 Ball as a Tweezers Recoverable Heterogeneous Fenton Catalyst with Enhanced Recyclability-Reference-Cited by-同舟云学术

FeS2 Loaded Porous SiO2 Ball as a Tweezers Recoverable Heterogeneous Fenton Catalyst with Enhanced Recyclability

Published:2021-03-01 Issue:3 Volume:21 Page:1474-1482
ISSN:1533-4880
Container-title:Journal of Nanoscience and Nanotechnology
language:en
Short-container-title:j nanosci nanotechnol

Author:

Wang Yan¹,Tan Yangchun¹,Pandey Nil Kanatha²,Chudal Lalit²,Amador Eric²,Sun Lipin¹,Zhang Shuhua³,Zhang Manbo¹,Chen Wei²

Affiliation:

1. Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, China

2. Department of Physics, The University of Texas at Arlington, Arlington, Texas 76019-0059, USA

3. Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, Guilin University of Technology, Guilin, 541004, China

Abstract

We report a novel FeS2 loaded large SiO2 sphere (diameter of 3 cm) via double immobilization with (3-mercaptopropyl)trimethoxysilane (KH590) as a highly efficient, stable, and tweezers-recoverable heterogeneous Fenton-like catalyst (FeS2/KH590/SiO2@KH590). Notably, as-prepared composite catalyst exhibits a significant recycling improvement (10 runs) over free FeS2 powder (3 runs). The outstanding recyclability and stability of FeS2/KH590/SiO2@KH590 can be attributed to the passivation of FeS2 nanoparticles on SiO2 surface by KH590 and subsequent prevention of Fe2+ leaching. Overall, our work provides a new avenue towards fabricating composite Fenton-like catalyst with high stability, enhanced recyclability and the advantage of easy separation.

Publisher

American Scientific Publishers

Subject

Condensed Matter Physics,General Materials Science,Biomedical Engineering,General Chemistry,Bioengineering

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