A Review on Biogas Potentials from Maize Cob under Varying Pretreatment Temperatures
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Abstract
Maize cob, a lignocellulosic agricultural residue, holds great promise as a feedstock for biogas production. However, its structural complexity necessitates pretreatment to enhance biodegradability and methane yield. This review explores the impact of varying pretreatment temperatures on biogas potential, focusing on lignocellulosic breakdown, microbial digestibility, and process efficiency. An analysis of some studies provides insights into optimal pretreatment temperatures, associated mechanisms, and challenges in scaling up for industrial applications. Pretreatment significantly influences methane yield by improving substrate hydrolysis rates. Studies report a 50-100% increase in biogas production following optimal thermal pretreatment. It was found that inadequate lignin removal and prolonged process duration are associate with both LTP and MTP. However, HTP offers higher accessibility to biomass due to effective deconstruction of cellulose-hemicellulose-lignin complex with high potential for scale-up. However, these advantages are associated with adverse counter-productive processes such as excess inhibitory product generation and high energy demand. For, the HTP to be adaptive, these processes must balance.
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Copyright (c) 2025 Aliyu Buba Ardo, Mohammed Abubakar Clarkson (Author)
This work is licensed under a Creative Commons Attribution 4.0 International License.
Aliyu Buba Ardo, Federal Polytechnic Bali, P. M. B. 05 Bali, Taraba State, Nigeria.
Department of Agricultural & Bio-Environmental Engineering,
School of Engineering Technology, Federal Polytechnic Bali, P. M. B. 05 Bali, Taraba State, Nigeria.
Mohammed Abubakar Clarkson, Federal Polytechnic Bali, P. M. B. 05 Bali, Taraba State, Nigeria.
Department of Agricultural & Bio-Environmental Engineering,
School of Engineering Technology, Federal Polytechnic Bali, P. M. B. 05 Bali, Taraba State, Nigeria.
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