Bio-oil from fast pyrolysis of lignin: Effects of process and upgrading parameters.

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Bioresource technology, ISSN: 1873-2976, Vol: 241, Page: 1118-1126

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Fan, Liangliang, Zhang, Yaning, Liu, Shiyu, Zhou, Nan, Chen, Paul, Cheng, Yanling, Addy, Min, Lu, Qian, Omar, Muhammad Mubashar, Liu, Yuhuan, Wang, Yunpu, Dai, Leilei, Anderson, Erik, Peng, Peng, Lei, Hanwu, Ruan, Roger Show More Hide
Elsevier BV
Chemical Engineering, Environmental Science, Energy
review description
Effects of process parameters on the yield and chemical profile of bio-oil from fast pyrolysis of lignin and the processes for lignin-derived bio-oil upgrading were reviewed. Various process parameters including pyrolysis temperature, reactor types, lignin characteristics, residence time, and feeding rate were discussed and the optimal parameter conditions for improved bio-oil yield and quality were concluded. In terms of lignin-derived bio-oil upgrading, three routes including pretreatment of lignin, catalytic upgrading, and co-pyrolysis of hydrogen-rich materials have been investigated. Zeolite cracking and hydrodeoxygenation (HDO) treatment are two main methods for catalytic upgrading of lignin-derived bio-oil. Factors affecting zeolite activity and the main zeolite catalytic mechanisms for lignin conversion were analyzed. Noble metal-based catalysts and metal sulfide catalysts are normally used as the HDO catalysts and the conversion mechanisms associated with a series of reactions have been proposed.

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