Composition of Lignocellulose Hydrolysate in Different Biorefinery Strategies: Nutrients and Inhibitors

Yilan Wang ^1,2, Yuedong Zhang ^2,3,4, Qiu Cui ^2,5

⁰Department of Bioscience and Bioengineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Beijing 100083, China.

Molecules (basel, Switzerland) +

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May 25, 2024

View abstract on PubMed

Summary

Biorefinery transforms lignocellulose into valuable products like biofuels. Optimizing pretreatment, saccharification, and fermentation is key to maximizing nutrients and minimizing inhibitors for sustainable development.

Area Of Science

Biomass Conversion and Biorefining
Sustainable Chemistry and Biofuels

Background

Lignocellulose biorefinery is crucial for sustainable development, offering alternatives to fossil fuels.
The process involves pretreatment, saccharification, and fermentation, with hydrolysates acting as key intermediates.

Purpose Of The Study

To review the impact of lignocellulose biorefinery stages on nutrient retention and inhibitor generation.
To analyze variations in nutrient and inhibitor profiles across different biorefinery strategies.
To provide insights for cost-effective biorefining and sustainable biomass utilization.

Main Methods

Comprehensive review of lignocellulose biorefinery stages.
Analysis of nutrient and inhibitor dynamics in lignocellulosic hydrolysates.
Comparison of different biorefinery strategies and their impact on process outcomes.

Main Results

Significant differences exist in nutrient retention and inhibitor generation depending on the biorefinery strategy employed.
Hydrolysate composition, influenced by biomass and processing, impacts downstream fermentation.
Each biorefinery step critically affects the final hydrolysate's suitability for fermentation.

Conclusions

A holistic approach considering all biorefinery stages is necessary for efficient nutrient management and inhibitor control.
Optimizing biorefinery processes can lead to cost-effective production of biomass-derived energy and chemicals.
This review serves as a reference for advancing lignocellulose-based biorefining technologies.

Keywords:

biorefinery cellulase cellulosome fermentable sugar fermentation inhibitor hydrolysate lignocellulose pretreatment saccharification

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