Tuning lignin fast pyrolysis with CO2: PCA-guided synchronized fabrication of phenol-rich bio-oil and porous biochar

Key Points

• Phenol-rich bio-oil is produced effectively through lignin pyrolysis with CO2 optimization, showcasing a significant advancement.
• The principal component analysis highlights the synchronized production of bio-oil and porous biochar, improving overall yield.
• This approach utilizes CO2 as a modifying agent in the pyrolysis process, enhancing the quality of bio-oil and biochar.
• Results indicate that the method may enable better utilization of lignin resources, promoting sustainable energy solutions.