Combined leaching and steam explosion pretreatment of lignocellulosic biomass for high quality feedstock for thermochemical applications

Singhal, Abhishek; Roslander, Christian; Goel, Avishek; Ismailov, Arnold; Erdei, Borbala; Wallberg, Ola; Konttinen, Jukka; Joronen, Tero

doi:10.1016/j.cej.2024.151298

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2024.151298

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Combined leaching and steam explosion pretreatment of lignocellulosic biomass for high quality feedstock for thermochemical applications

Abhishek Singhal,

Christian Roslander,

Avishek Goel

et al.

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Cited by 3 publications

References 79 publications

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A novel molecular structure parameter determination method for biomass thermochemical conversion mechanism investigation

Shi,

Peng,

et al. 2024

Chemical Engineering Journal

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A novel molecular structure parameter determination method for biomass thermochemical conversion mechanism investigation

Shi,

Peng,

et al. 2024

Chemical Engineering Journal

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Optimization of waste biomass demineralization through response surface methodology and enhancement of thermochemical and fusion properties

Tabish,

Irfan,

Irshad

et al. 2024

Sci Rep

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This study examines the impact of leaching with dilute hydrochloric acid solution on the reduction of ash content and the thermal degradation behavior of sugarcane bagasse. Response surface methodology (RSM) was used to statistically design the experiments and investigate the effect of three independent variables: treatment time, solid-to-liquid ratio, and reagent concentration. The leaching conditions were further optimized and experimentally validated for maximum ash reduction for suitability of treated biomass as feedstock for thermochemical conversion technologies. Reagent concentration and treatment time directly affected ash reduction, while the solid-to-liquid ratio inversely influenced it. Concentration had the highest impact, and treatment duration had the least. The maximum 78.2% ash reduction was achieved by treating the biomass with 1 M HCl for 80 min at a solid-to-liquid ratio of 50:1 (wt/vol). This ash reduction also resulted in a 9.82% increase in higher heating value (HHV). Hemicellulose hydrolysis during leaching was observed through chemical composition and Fourier-transform infrared spectroscopy (FTIR). Ash fusion temperatures increased, indicating more thermally stable biomass. Thermogravimetric analysis (TGA) showed elevated maximum degradation temperature and activation energy.

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Review of Lignocellulosic Biomass Pretreatment Using Physical, Thermal and Chemical Methods for Higher Yields in Bioethanol Production

Woźniak,

Kuligowski,

Świerczek

et al. 2025

Sustainability

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The increasing demand for renewable energy sources has led to significant interest in second-generation biofuels derived from lignocellulosic biomass and waste materials. This review underscores the pivotal role of lignocellulosic biomass valorization in meeting global energy needs, mitigating greenhouse gas emissions, and fostering a circular bioeconomy. Key pretreatment methods—including steam explosion, pressure treatment, and chemical pretreatment—are analyzed for their ability to enhance the accessibility of cellulose and hemicellulose in enzymatic saccharification. Advances in cellulolytic enzyme development and fermentation strategies, such as the use of genetically engineered microorganisms capable of fermenting both hexoses and pentoses, are discussed in detail. Furthermore, the potential of biorefinery systems is explored, highlighting their capacity to integrate biomass valorization into biofuel production alongside high-value bioproducts. Case studies and recent trends in bioethanol and biogas production are examined, providing insights into the current state of research and its industrial applications. While lignocellulosic biofuels hold considerable promise for sustainable development and emissions reduction, challenges related to cost optimization, process scalability, and technological barriers must be addressed to enable large-scale implementation. This review serves as a comprehensive foundation for bridging the gap between laboratory research and industrial application, emphasizing the need for continued innovation and interdisciplinary collaboration in biofuel technologies.

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Combined leaching and steam explosion pretreatment of lignocellulosic biomass for high quality feedstock for thermochemical applications

Cited by 3 publications

References 79 publications

A novel molecular structure parameter determination method for biomass thermochemical conversion mechanism investigation

A novel molecular structure parameter determination method for biomass thermochemical conversion mechanism investigation

Optimization of waste biomass demineralization through response surface methodology and enhancement of thermochemical and fusion properties

Review of Lignocellulosic Biomass Pretreatment Using Physical, Thermal and Chemical Methods for Higher Yields in Bioethanol Production

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