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Related Experiment Video

Updated: Jun 23, 2026

Twin-Screw Extrusion Process to Produce Renewable Fiberboards

Twin-Screw Extrusion Process to Produce Renewable Fiberboards

Published on: January 27, 2021

Water-based woody biorefinery.

Thomas E Amidon¹, Shijie Liu

¹Department of Paper and Bioprocess Engineering, SUNY College of Environmental Science and Forestry, 1 Forestry Drive, Syracuse, NY 13210, United States.

Biotechnology Advances

|April 28, 2009

Summary

Biorefineries convert wood biomass into valuable chemicals and energy. This study explores hot-water extraction, hydrolysis, and membrane separation for efficient wood processing, offering a sustainable alternative to fossil fuels.

Area of Science:

Biomass Conversion and Biorefining
Sustainable Chemistry
Renewable Energy

Background:

Fossil fuels are finite and non-renewable, necessitating sustainable alternatives.
Biomass offers a replenishable source for chemicals, materials, and energy.
Biorefineries integrate processes to convert biomass efficiently.

Purpose of the Study:

To discuss key elements of a wood-based biorefinery.
To highlight the role of hot-water extraction, hydrolysis, and membrane separation.
To present a sustainable approach for biomass utilization.

Main Methods:

Hot-water extraction to isolate hemicelluloses from woody biomass.
Hydrolysis of extracted components to yield sugars and acetic acid.

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Membrane separation (nano-filtration) for fractionating extracts and hydrolysates.

Main Results:

Hot-water extraction efficiently separates hemicelluloses, reducing pre-treatment costs.
Hydrolysis yields valuable 5-carbon and 6-carbon sugars, plus acetic acid.
Membrane technology effectively fractionates biomass components.
Residual solid mass shows higher energy content for further processing.

Conclusions:

Wood-based biorefineries offer a sustainable "catch and release" carbon strategy.
Integrated processes of extraction, hydrolysis, and separation are key to efficient biomass conversion.
This approach supports both environmental and economic sustainability.