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Review on Aging of Bio-Oil from Biomass Pyrolysis and Strategy to Slowing Aging
Junmeng Cai,* Md. Maksudur Rahman, Shukai Zhang, Manobendro Sarker, Xingguang Zhang, Yuqing Zhang, Xi Yu, and Elham H. Fini
1. Introduction
2. Physicochemical characteristics of fresh bio-oil
2.1. Chemical composition
2.2. Physical and chemical properties
2.3. Multiphase behavior
3. Aging characteristics of bio-oil
3.1. Aging indicators
3.2. Long-term aging
3.3. Accelerated aging
4. Aging mechanisms and kinetics of bio-oil
4.1. Aging mechanisms
4.2. Aging kinetics
5. Approaches to slowing bio-oil aging
5.1. Solvent addition
5.2. Fraction separation
5.2.1. Liquid-liquid extraction
5.2.2. Distillation
5.3. Emulsification
5.4. Removal of solids, water, and light volatiles
5.5. Mild hydrogenation
5.6. Supercritical fluids (SCF) upgrading
5.7. Other approaches
6. Challenges and future perspectives
7. Conclusions
Biographies
Acknowledgements
References
https://pubs.acs.org/doi/10.1021/acs.energyfuels.1c01214
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