Cellulose-Based Nanoparticles Processed from Agricultural Waste Biomass-A Review

Area of Science:

• Materials Science
• Agricultural Science
• Biotechnology

Background:

• Non-edible crop residues are abundant agricultural wastes.
• These wastes can be processed into nanoparticles for diverse applications.
• Variations in biomass and extraction methods affect nanoparticle properties.

Purpose of the Study:

• To review the suitability of agricultural waste biomass for nanoparticle production.
• To identify key parameters for selecting crop sources and extraction techniques.
• To explore industrial applications of derived nanoparticles.

Main Methods:

• Literature review of studies on agricultural waste processing into nanoparticles.
• Analysis of end-user properties influencing material selection.
• Examination of extraction techniques and their impact on nanoparticle characteristics.

Main Results:

• Cellulose content and crystallinity are crucial for nanocellulose and nanofibril production.
• Zeta potential and surface charge influence polymer interactions for industrial use.
• Nanocellulose and biochar show potential in food packaging, as rheological modifiers, and thickeners.

Conclusions:

• Agricultural waste biomass offers a sustainable source for valuable nanoparticles.
• Careful selection of crop source and processing methods is essential for tailored nanoparticle properties.
• Pyrolysis is a key technique for converting agricultural waste into carbon-rich nanoparticles and biochar.