This paper introduces the aging mechanisms of bio-oil and various methods to improve the stability of bio-oil, including drying, deashing, hot-gas filtration, vapor-phase catalytic pyrolysis, adding solvent and mild hydrogenation, etc.

• 介绍了导致生物油不稳定的机理和各种提高生物油稳定性的方法，如原料干燥、酸（水）洗脱灰、气体高温过滤、气相催化裂解、添加溶剂和生物油适度加氢等。