Journal
BIORESOURCE TECHNOLOGY
Volume 273, Issue -, Pages 77-85Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2018.11.005
Keywords
Light olefins; Aromatics; Catalytic pyrolysis; Cellulose
Funding
- National Natural Science Foundation of China [51506071, 51676081]
- Natural Science Foundation of Shenzhen [JCYJ20170307172032901]
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In this study, the effects of a macroporous catalyst (CaO), mesoporous catalyst (MCM-41), and microporous catalysts (ZSM-5 and SAPO-34) on the production of light olefins and aromatics from cellulose catalytic fast pyrolysis were investigated in a dual-catalyst fixed bed reactor. Further the fractional catalytic pyrolysis of MCM-41 or CaO with ZSM-5 or SAPO-34 was explored. The results showed that ZSM-5 was the most efficient catalyst for the formation of light olefins and aromatics followed by MCM-41, CaO and SAPO-34, and no aromatics were found with SAPO-34 only. Moreover, 15% CaO combined 85% ZSM-5 produced the highest yield of light olefins (5.59%) and aromatic (13.42%). The addition of CaO and MCM-41 promoted the selectivity of C2H4 and decreased the production of naphthalene.
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