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通过固定化商业二氧化钛（TiO₂）光催化剂的高级氧化工艺（AOP）降解苯酚。

Degradation of Phenol via an Advanced Oxidation Process (AOP) with Immobilized Commercial Titanium Dioxide (TiO) Photocatalysts.

作者信息

Schwarze Michael, Borchardt Steffen, Frisch Marvin L, Collis Jason, Walter Carsten, Menezes Prashanth W, Strasser Peter, Driess Matthias, Tasbihi Minoo

机构信息

Department of Chemistry, Technische Universität Berlin, Straße des 17. Juni 124, 10623 Berlin, Germany.

Materials Chemistry Group for Thin Film Catalysis-CatLab, Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Str. 15, 12489 Berlin, Germany.

出版信息

Nanomaterials (Basel). 2023 Mar 31;13(7):1249. doi: 10.3390/nano13071249.

DOI:10.3390/nano13071249
PMID:37049342
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10097325/
Abstract

Four commercial titanium dioxide (TiO) photocatalysts, namely P25, P90, PC105, and PC500, were immobilized onto steel plates using a sol-gel binder and investigated for phenol degradation under 365 nm UV-LED irradiation. High-performance liquid chromatography (HPLC) and total organic carbon (TOC) analyses were performed to study the impact of three types of oxygen sources (air, dispersed synthetic air, and hydrogen peroxide) on the photocatalytic performance. The photocatalyst films were stable and there were significant differences in their performance. The best result was obtained with the P90/UV/HO system with 100% degradation and about 70% mineralization within 3 h of irradiation. The operating conditions varied, showing that water quality is crucial for the performance. A wastewater treatment plant was developed based on the lab-scale results and water treatment costs were estimated for two cases of irradiation: UV-LED (about 600 EUR/m) and sunlight (about 60 EUR/m). The data show the high potential of immobilized photocatalysts for pollutant degradation under advanced oxidation process (AOP) conditions, but there is still a need for optimization to further reduce treatment costs.

摘要

使用溶胶 - 凝胶粘合剂将四种商用二氧化钛（TiO）光催化剂，即P25、P90、PC105和PC500固定在钢板上，并研究其在365 nm紫外发光二极管（UV - LED）照射下对苯酚的降解情况。进行了高效液相色谱（HPLC）和总有机碳（TOC）分析，以研究三种氧源（空气、分散合成空气和过氧化氢）对光催化性能的影响。光催化剂薄膜稳定，其性能存在显著差异。在P90/UV/H₂O₂体系中，照射3小时内实现了100%降解和约70%矿化，取得了最佳结果。操作条件有所不同，表明水质对性能至关重要。基于实验室规模的结果开发了一座污水处理厂，并估算了两种照射情况（UV - LED，约600欧元/立方米；阳光，约60欧元/立方米）的水处理成本。数据表明，在高级氧化工艺（AOP）条件下，固定化光催化剂在污染物降解方面具有很高的潜力，但仍需要进行优化以进一步降低处理成本。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/8246dbf89a6b/nanomaterials-13-01249-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/eae585acba8d/nanomaterials-13-01249-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/dfa36c7b3b1e/nanomaterials-13-01249-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/9c8d2dcf4825/nanomaterials-13-01249-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/df3acd46128b/nanomaterials-13-01249-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/88bc1503da64/nanomaterials-13-01249-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/7f72b3767d57/nanomaterials-13-01249-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/a97e2d644336/nanomaterials-13-01249-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/8ab68d3a150a/nanomaterials-13-01249-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/8246dbf89a6b/nanomaterials-13-01249-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/eae585acba8d/nanomaterials-13-01249-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/dfa36c7b3b1e/nanomaterials-13-01249-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/9c8d2dcf4825/nanomaterials-13-01249-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/df3acd46128b/nanomaterials-13-01249-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/88bc1503da64/nanomaterials-13-01249-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/7f72b3767d57/nanomaterials-13-01249-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/a97e2d644336/nanomaterials-13-01249-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/8ab68d3a150a/nanomaterials-13-01249-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de8c/10097325/8246dbf89a6b/nanomaterials-13-01249-g009.jpg

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Nano-architectural design of TiO for high performance photocatalytic degradation of organic pollutant: A review.用于高效光催化降解有机污染物的 TiO2 的纳-结构设计：综述。
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Photocatalytic Degradation of Plastic Waste: A Mini Review.
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Photocatalytic degradation of Penicillin G in aqueous solutions: Kinetic, degradation pathway, and microbioassays assessment.水溶液中青霉素 G 的光催化降解：动力学、降解途径和微生物测定评估。
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