Disintegration of lignocellulosic material through visible light SiO2/g-C3N4 photocatalyst for biogas generation

IF 3.2 4区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY Journal of the Indian Chemical Society Pub Date : 2024-09-11 DOI:10.1016/j.jics.2024.101371
Tamilselvan Ranganathan, Immanuel Selwynraj Arunodayaraj
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Abstract

This study presents the synthesis of g-C3N4 and the fabrication of SiO2/g-C3N4 via the hydrothermal polycondensation method, serving as a highly efficient visible light activated photocatalyst for enhancing anaerobic digestion and biogas production from rice straw through pretreatment at various time intervals. The efficacy of the pretreatment was evaluated using a range of analytical techniques, including XRD, FTIR, FESEM, EDX, and UV–vis analysis. The results showcased a remarkable 81 % reduction in silica content compared to untreated rice straw, along with a significant 121 % increase in biogas production. The study demonstrate that the 7-h treatment duration facilitates the highest silica reduction and biogas yield. These findings underscore the immense potential of SiO2/g-C3N4 as a promising catalyst for rice straw pretreatment, thereby leading to enhanced biogas production during anaerobic digestion.

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通过可见光 SiO2/g-C3N4 光催化剂分解木质纤维素材料以产生沼气
本研究介绍了通过水热缩聚法合成 g-C3N4 和制备 SiO2/g-C3N4,作为一种高效的可见光激活光催化剂,通过不同时间间隔的预处理,提高稻草的厌氧消化和沼气产量。采用一系列分析技术,包括 XRD、FTIR、FESEM、EDX 和 UV-vis 分析,对预处理的功效进行了评估。结果表明,与未经处理的稻草相比,硅含量明显减少了 81%,沼气产量也显著增加了 121%。研究结果表明,7 小时的处理持续时间有助于最大程度地减少二氧化硅含量和提高沼气产量。这些发现强调了 SiO2/g-C3N4 作为稻草预处理催化剂的巨大潜力,从而提高了厌氧消化过程中的沼气产量。
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来源期刊
CiteScore
3.50
自引率
7.70%
发文量
492
审稿时长
3-8 weeks
期刊介绍: The Journal of the Indian Chemical Society publishes original, fundamental, theorical, experimental research work of highest quality in all areas of chemistry, biochemistry, medicinal chemistry, electrochemistry, agrochemistry, chemical engineering and technology, food chemistry, environmental chemistry, etc.
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