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通过TiO-MeO薄膜光催化臭氧化从水溶液中去除扑热息痛

Removal of Paracetamol from Aqueous Solutions by Photocatalytic Ozonation over TiO-MeO Thin Films.

作者信息

Avramescu Sorin Marius, Fierascu Irina, Fierascu Radu Claudiu, Brazdis Roxana Ioana, Nica Angel Vasile, Butean Claudia, Olaru Elena Alina, Ulinici Sorin, Verziu Marian Nicolae, Dumitru Anca

机构信息

Department of Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, 050663 Bucharest, Romania.

PROTMED Research Centre, University of Bucharest, 050107 Bucharest, Romania.

出版信息

Nanomaterials (Basel). 2022 Feb 11;12(4):613. doi: 10.3390/nano12040613.

DOI:10.3390/nano12040613
PMID:35214942
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8875729/
Abstract

Analgesics and nonsteroidal anti-inflammatory drugs (NSAIDs) such as paracetamol, diclofenac, and ibuprofen are frequently encountered in surface and ground water, thereby posing a significant risk to aquatic ecosystems. Our study reports the catalytic performances of nanosystems TiO-MeO (Me = Ce, Sn) prepared by the sol-gel method and deposited onto glass slides by a dip-coating approach in the removal of paracetamol from aqueous solutions by catalytic ozonation. The effect of catalyst type and operation parameters on oxidation efficiency was assessed. In addition to improving this process, the present work simplifies it by avoiding the difficult step of catalyst separation. It was found that the thin films were capable of removing all pollutants from target compounds to the oxidation products.

摘要

镇痛药和非甾体抗炎药（NSAIDs），如对乙酰氨基酚、双氯芬酸和布洛芬，经常出现在地表水和地下水中，从而对水生生态系统构成重大风险。我们的研究报告了通过溶胶-凝胶法制备并通过浸涂法沉积在载玻片上的纳米系统TiO-MeO（Me = Ce，Sn）在通过催化臭氧化从水溶液中去除对乙酰氨基酚方面的催化性能。评估了催化剂类型和操作参数对氧化效率的影响。除了改进这一过程外，本工作还通过避免催化剂分离这一困难步骤简化了该过程。结果发现，这些薄膜能够将目标化合物中的所有污染物去除为氧化产物。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20bc/8875729/b1013de57992/nanomaterials-12-00613-g014.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20bc/8875729/b7a20f70e548/nanomaterials-12-00613-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20bc/8875729/70411e481b5d/nanomaterials-12-00613-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20bc/8875729/09f91b20d53f/nanomaterials-12-00613-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20bc/8875729/68c177e9e3ac/nanomaterials-12-00613-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20bc/8875729/96f1bee0c2a1/nanomaterials-12-00613-g012.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20bc/8875729/b1013de57992/nanomaterials-12-00613-g014.jpg

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