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March 21, 2026Bioresource Technology ReportsOpen Access

Alkaline twin-screw extrusion pretreatment of sugarcane bagasse for binderless material production by thermocompression

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Authors

JCJulie CavaillesGVGuadalupe Vaca-MedinaJWJenny Wu-Tiu-Yen

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Overview

Experiments assess alkaline twin-screw extrusion effects on properties of binderless materials from sugarcane bagasse, indicating improved water resistance and mechanical properties with specific...

Key Points

  • The aim is to evaluate how alkaline twin-screw extrusion pretreatment affects sugarcane bagasse's properties and material performance.
  • Used varying concentrations of NaOH (0–10% w/w) and screw rotation speeds (150–250 rpm) during pretreatment.
  • Analyzed soluble molecule extraction, chemical composition, and mechanical properties of the binderless materials.
  • Included a washing step to assess the impact on residual NaOH and material properties.
  • Maximum extraction yield occurred at 5.5% NaOH concentration with lower screw speeds.
  • NaOH addition resulted in increased cleavage of covalent bonds within the structure of the bagasse.
  • Materials produced exhibited density of 1486 kg/m³, flexural strength of 53.8 MPa, and 76% water absorption.

Cite This Study

Cavailles et al. (2026) studied this question.

synapsesocial.com/papers/69be36086e48c4981c674b3dhttps://doi.org/10.1016/j.biteb.2026.102709
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