Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 749, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.scitotenv.2020.142386
Keywords
Catalytic pyrolysis; Lignocellulosic biomass; Selective; Chemicals
Categories
Funding
- National Natural Science Foundation of China [21766019, 21878137]
- Natural Science Foundation of Jiangxi Province, China [20181BAB206030]
- Centrally Guided Local Science Technology Special Project [20202ZDB01012]
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Increasing fossil fuel consumption and global warming has been driving the worldwide revolution towards renewable energy. Biomass is abundant and low-cost resource whereas it requires environmentally friendly and cost-effective conversion technique. Pyrolysis of biomass into valuable bio-oil has attracted much attention in the past decades due to its feasibility and huge commercial outlook. However, the complex chemical compositions and high water content in bio-oil greatly hinder the large-scale application and commercialization. Therefore, catalytic pyrolysis of biomass for selective production of specific chemicals will stand out as a unique pathway. This review aims to improve the understanding for the process by illustrating the chemistry of non-catalytic and catalytic pyrolysis of biomass at the temperatures ranging from 400 to 650 degrees C. The focus is to introduce recent progress about producing value-added hydrocarbons, phenols. anhydrosugars, and nitrogen-containing compounds from catalytic pyrolysis of biomass over zeolites, metal oxides, etc. via different reaction pathways induding cracking, Diels-Alder/aromatization, ketonization/aldol condensation, and ammoniation. The potential challenges and future directions for this technique are discussed in deep. (C) 2020 Published by Elsevier B.V.
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