不同因素对Fe3+-TiO2/ACF降解NH3的影响

徐伟, 万家豪, 张兴惠*, 贾冠冠

化工新型材料 ›› 2024, Vol. 52 ›› Issue (7) : 194 -198.

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化工新型材料 ›› 2024, Vol. 52 ›› Issue (7) : 194-198. DOI: 10.19817/j.cnki.issn1006-3536.2024.07.030
科学研究

不同因素对Fe3+-TiO2/ACF降解NH3的影响

    徐伟, 万家豪, 张兴惠*, 贾冠冠
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Effects of different factors on NH3 degradation by Fe3+-TiO2/ACF

  • Xu Wei, Wan Jiahao, Zhang Xinghui, Jia Guanguan
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摘要

为了探究不同因素对Fe3+-TiO2/活性炭纤维(ACF)降解氨气(NH3)的影响规律,采用Fe3+-TiO2/ACF复合材料,以NH3为目标降解物,研究初始浓度、流速、光催化剂负载量以及光照强度对Fe3+-TiO2/ACF降解NH3的影响,并进行了相应的反应动力学分析。结果表明:随着初始浓度的增加,NH3降解率呈现略微降低的趋势,光催化过程基本符合L-H一级反应动力学模型;随着流速的增加,NH3降解率表现为先升高后降低,其光催化过程也基本符合L-H一级反应动力学模型;随着光催化剂负载量以及光照强度的增加,NH3降解率表现为略微增加的趋势。

Abstract

In order to explore the influence of different factors on the degradation of ammonia (NH3) by Fe3+-TiO2/ACF,Fe3+-TiO2/ACF composite material was adopted,with NH3 as the target degradation substance,and the influence of initial concentration,flow rate,photocatalyst load and light intensity on the degradation of NH3 by Fe3+-TiO2/ACF was studied.The corresponding reaction kinetics analysis was carried out.The results showed that the degradation rate of NH3 decreased slightly with the increase of initial concentration,and the photocatalytic process basically conformed to the L-H first-order reaction kinetics model.With the increase of flow velocity,the degradation rate of NH3 firstly increased and then decreased,and the photocatalytic process was basically consistent with the L-H first-order reaction kinetics model.The degradation rate of NH3 increased slightly with the increase of photocatalyst load and light intensity.

关键词

Fe3+-TiO2/活性炭纤维 / 降解 / 不同因素 / 影响规律 / NH3

Key words

Fe3+-TiO2/ACF / degradation / different factors / influence law / NH3

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不同因素对Fe3+-TiO2/ACF降解NH3的影响[J]. 化工新型材料, 2024, 52(7): 194-198 DOI:10.19817/j.cnki.issn1006-3536.2024.07.030

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基金资助

山西省重点研发计划项目(201903D321043)

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