Advances in porous activated carbon-based solid acid catalysts for biomass conversion

Area of Science:

• Materials Science
• Catalysis
• Green Chemistry

Background:

• Biomass conversion is crucial for sustainable biofuel and chemical production, offering alternatives to fossil fuels.
• Porous activated carbon-based solid acid catalysts (AC-SACs) are attractive due to their high surface area, porosity, and acidity.

Purpose of the Study:

• To review recent advances in AC-SACs for biomass conversion.
• To emphasize their role in key reactions and discuss synthesis, characterization, and performance.

Main Methods:

• Review of synthesis strategies (pretreatment, carbonization, activation, functionalization).
• Analysis of characterization techniques and catalytic performance in hydrolysis, dehydration, esterification, transesterification, and pyrolysis.
• Examination of deactivation mechanisms and regeneration strategies.

Main Results:

• AC-SACs exhibit tunable properties impacting hierarchical pore architecture, surface chemistry, and acidity.
• Key biomass conversion reactions are effectively catalyzed by AC-SACs.
• Deactivation mechanisms include leaching, site derivatization, and thermal degradation, with regeneration strategies discussed.

Conclusions:

• AC-SACs are versatile, environmentally friendly catalysts for biomass valorization.
• Enhancing functional group stability and regeneration integration are key for long-term applications.
• Further research can expand AC-SAC applications in sustainable chemical processes.