两种土耳其褐煤在四氢化萘中的光催化溶解:紫外照射、TiO2和ZnO作为光催化剂的影响

F. Karacan, E. Simsek, T. Toḡrul
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引用次数: 3

摘要

在环境条件下,研究了紫外光照射、光催化剂和反应时间对两种土耳其褐煤(beypazarir和tunbilek褐煤)在四氢萘中溶解的影响。在添加或不添加光催化剂(tio2和ZnO)的情况下,在不同的反应时间(1-10天)、恒定的辐照功率(180 W)和恒定的溶剂/褐煤比(5/1)下辐照褐煤样品。紫外光下褐煤的溶解度随反应时间的延长而增加。褐煤的液化行为各不相同。由于tunbilek褐煤在较短的反应时间内达到了最大溶解度(45%),beypazarir褐煤在较长的反应时间内达到了最大溶解度(32%)。非催化液化得到的溶解度值高于用tio2和ZnO液化得到的溶解度值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Photocatalytic Dissolution of Two Turkish Lignites in Tetralin: Effects of UV Irradiation, TiO2 and ZnO as Photocatalyst
The effects of ultraviolet (UV) irradiation, photocatalyst, and reaction time on the dissolution of two Turkish lignites (Beypazarı and Tunçbilek lignites) in tetralin have been investigated under ambient conditions. Lignites samples were irradiated in the presence or absence of added photocatalysts (TiO 2 and ZnO) at varying reaction times (1–10 days), constant irradiation power (180 W), and constant solvent/lignite ratio (5/1). The solubility of lignites increased with reaction time under UV light. The liquefaction behaviors of the lignites are different from each other. As the maximum solubility (45%) with Tunçbilek lignite has been achieved at shorter reaction times, it has been reached at longer reaction times for Beypazarı lignite (32%). The solubility values obtained from noncatalytic liquefaction are higher than those obtained from liquefaction with TiO 2 and ZnO.
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