Journal
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
Volume 167, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jaap.2022.105692
Keywords
Bamboo residue; Catalytic fast pyrolysis; ZSM-5; MAHs Three main components
Funding
- National Key Research and Development Program of China, China [2018YFB1501404]
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This study investigated the product distribution from the catalytic pyrolysis of bamboo residue and its three main extracted components. The addition of Cu modified ZSM-5 catalyst reduced phenols and increased monocyclic aromatic hydrocarbons (MAHs). The relative content of MAHs increased by 66.67% over Cu(2)/ZSM-5. Cellulose produced 3.03 times more MAHs than bamboo residue during catalytic pyrolysis over Cu(2)/ZSM-5.
In this study, the product distribution from the catalytic pyrolysis of bamboo residue and its three main extracted components (cellulose, hemicellulose, and lignin) over Copper (Cu) modified ZSM-5 with different loading rates was conducted using pyrolysis-gas chromatography/mass spectroscopy. The addition of Cu modified ZSM-5 reduced the relative content of phenols, while that of monocyclic aromatic hydrocarbons (MAHs) increased significantly. The relative content of MAHs for the bamboo residue without catalyst was 2.10%, which increased considerably by 66.67% over Cu(2)/ZSM-5. The MAHs yield in cellulose is 3.03 times as that of the bamboo residue during catalytic pyrolysis over Cu(2)/ZSM-5. Phenolic compounds are mainly produced by lignin, whereas cellulose and hemicellulose are the primary producers of ketones and aldehydes. This study is crucial for understanding the pyrolytic product distribution of the bamboo residue and its three main extracted components.
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