Photocatalytic Conversion of Lignin in the Presence of Titania and Iron Titanate Films

IF 0.7 4区化学 Q4 CHEMISTRY, MULTIDISCIPLINARY

Theoretical and Experimental Chemistry Pub Date : 2023-10-31 DOI:10.1007/s11237-023-09776-3

A. S. Kramar, M. L. Malysheva, V. M. Anishchenko, P. O. Kuzema, O. M. Stavinskaya, N. P. Smirnova, I. V. Laguta, R. V. Ivannikov, O. P. Linnik

引用次数: 0

Abstract

The photocatalytic conversion of lignin, obtained from camelina (Camelina sativa), over titania and iron titanate films has been studied with analysis of the products using laser desorptiopn/ionization and high-performance liquid chromatography. The photocatalytic reaction over titania films leads to the formation of the mixture of compounds, such as phenol, vanillic acid, resorcinol, and p-coumaryl alcohol. In the presence of iron titanate films, the predominant reaction products are vanillic acid and p-coumaryl. The highest antioxidant activity has been revealed in the case of lignin conversion products obtained over nitrogen-containing iron titanate films under visible light exposure.

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二氧化钛和钛酸铁膜存在下木质素的光催化转化

利用激光解吸/电离和高效液相色谱对从亚麻荠中提取的木质素在钛酸铁和钛酸铁薄膜上的光催化转化进行了研究。二氧化钛薄膜上的光催化反应可形成苯酚、香草酸、间苯二酚和对香豆醇等化合物的混合物。在钛酸铁薄膜存在的情况下，主要的反应产物是香草酸和对香马酯。在含氮钛酸铁薄膜上得到的木质素转化产物在可见光照射下具有最高的抗氧化活性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Theoretical and Experimental Chemistry CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

1.60

自引率

10.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Theoretical and Experimental Chemistry is a journal for the rapid publication of research communications and reviews on modern problems of physical chemistry such as: a) physicochemical bases, principles, and methods for creation of novel processes, compounds, and materials; b) physicochemical principles of chemical process control, influence of external physical forces on chemical reactions; c) physical nanochemistry, nanostructures and nanomaterials, functional nanomaterials, size-dependent properties of materials.