Valorization of Rice Straw to Biofuel Components Using Ni-Y zeolite

DOI

10.2991/978-94-6463-884-4_61How to use a DOI?

Keywords

Biomass; m-cresol; Rice straw; Zeolite; Depolymerization; HDO

Abstract

Currently, the energy crisis is a warning issue all over the world. Producing sustainable and low-cost energy sources is a challenging matter in solving this problem. Rice straw has high potential to derive bio-based chemicals/fuel components despite the current practice of burning it. However, since biomass contains a higher amount of oxygen, it needs to be upgraded to be used as fuel. In this context, a series of Ni-Y catalysts with varying Ni-contents (5, 10, 15, and 30 wt.% Ni) have been synthesized using the wet impregnation method to valorize biomass fraction, rice straw. To elucidate the optimal loading of Ni over Y zeolite, catalytic activity has been explored using m-cresol as a model compound at 300 ⁰C and 20 bar using H₂ for 240 minutes and 600 rpm in a batch reactor. Interestingly, the catalytic activity was found to be optimal for 15 wt.% Ni over Y-zeolite (15 Ni-Y) for a catalyst-to-feed ratio of 1:1 with a ~45% selectivity for the deoxygenated product (cycloalkane and alkylbenzene). Hence, the 15Ni-Y catalyst was further tested for the hydrotreatment of rice straw using a similar process condition. The result shows high depolymerization and hydrodeoxygenation (HDO) activity of the catalyst. Rice straw conversion reaches a value of 48% with 65% selectivity of the deoxygenated fraction rich in alkylbenzenes. The result demonstrates the ability of the catalyst to upgrade biomass residues to value-added fuel components.

Copyright

© 2025 The Author(s)

Open Access

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Download article (PDF)

TY  - CONF
AU  - Kuntal Sharma
AU  - Nazmul Hasan Rishad
AU  - Mohammad Rakib Uddin
AU  - Muhammad Abdus Salam
PY  - 2025
DA  - 2025/11/18
TI  - Valorization of Rice Straw to Biofuel Components Using Ni-Y zeolite
BT  - Proceedings of the 8th International Conference on Engineering Research, Innovation, and Education 2025 (ICERIE 2025)
PB  - Atlantis Press
SP  - 511
EP  - 519
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6463-884-4_61
DO  - 10.2991/978-94-6463-884-4_61
ID  - Sharma2025
ER  -