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使用镍铁双金属颗粒电极反应器去除甲苯的新尝试。

A new attempt to remove toluene using nickel-iron bimetallic particle electrode reactor.

作者信息

Li Siwen, Jiang Bo, Liu Gen, Shi Chunyan, Yu Hongbin, Lin Yingzi

机构信息

School of Environment, Northeast Normal University, Changchun, 130117, China.

Jilin Research and Design Institute of Building Science (Jilin Province Construction Engineering Quality Test Center), Changchun, 130011, China.

出版信息

Sci Rep. 2024 May 2;14(1):10056. doi: 10.1038/s41598-024-60956-0.

DOI:10.1038/s41598-024-60956-0
PMID:38698147
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11065997/
Abstract

A new attempt of removing toluene waste gas using a three-dimensional electrode reaction device with nickel-iron bimetallic particle electrode is presented in this paper. The particle electrode was prepared by a simple liquid phase reduction method. Through bimetal modification, the particle electrode mass transfer rate is increased to 1.29 times, and the degradation efficiency of the reactor is increased by nearly 40%, which makes it possible to remove toluene waste gas by other electrochemical methods in addition to plasma method. The removal efficiency of the particle electrode can be stabilized at more than 80% after 5 cycles (50 h). At the same time, the relationship between independent working parameters and dependent variables is analyzed using the central composite design, and the operating parameters are optimized. Based on this study, the removal mechanism and possible degradation pathway of toluene were investigated. This study provides a supplement to the possibility and theoretical basis of new technology application for electrocatalytic oxidation removal of VOCs.

摘要

本文提出了一种使用带有镍铁双金属颗粒电极的三维电极反应装置去除甲苯废气的新尝试。颗粒电极通过简单的液相还原法制备。通过双金属改性，颗粒电极传质速率提高到1.29倍，反应器降解效率提高近40%，这使得除等离子体法外，利用其他电化学方法去除甲苯废气成为可能。经过5个循环（50小时）后，颗粒电极的去除效率可稳定在80%以上。同时，采用中心复合设计分析了独立工作参数与因变量之间的关系，并对操作参数进行了优化。基于本研究，探讨了甲苯的去除机理和可能的降解途径。本研究为电催化氧化去除挥发性有机物新技术应用的可能性和理论基础提供了补充。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/dd9479324858/41598_2024_60956_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/522a205ed1d7/41598_2024_60956_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/011c5446044e/41598_2024_60956_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/812a4ac0f56b/41598_2024_60956_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/2b87189c5813/41598_2024_60956_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/21963a51bbb4/41598_2024_60956_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/253616a27371/41598_2024_60956_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/91575c73b6fb/41598_2024_60956_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/dd9479324858/41598_2024_60956_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/522a205ed1d7/41598_2024_60956_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/011c5446044e/41598_2024_60956_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/812a4ac0f56b/41598_2024_60956_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/2b87189c5813/41598_2024_60956_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/21963a51bbb4/41598_2024_60956_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/253616a27371/41598_2024_60956_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/91575c73b6fb/41598_2024_60956_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8968/11065997/dd9479324858/41598_2024_60956_Fig8_HTML.jpg

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