Chen, Wei, Fang, Yang, Li, Kaixu, Chen, Zhiqun, Xia, Mingwei, Gong, Meng, Chen, Yingquan, Yang, Haiping, Tu, Xin 
ORCID: 0000-0002-6376-0897 and Chen, Hanping
(2020)
Bamboo wastes catalytic pyrolysis with N-doped biochar catalyst for phenols products.
Applied Energy, 260.
p. 114242.
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N-doped biochar catalyst Applied Energy.pdf - Author Accepted Manuscript Download (1MB) | Preview |
Abstract
Biomass catalytic pyrolysis for valuable O-containing chemicals is a promising approach for better utilization of oxygen in biomass resource, where the catalyst, with the properties of green, low cost, high activity and stability, is a critical point. In this study, we proposed a novel and green method to produce phenols through biomass (bamboo wastes) catalytic pyrolysis with N-doped biochar catalyst, which was investigated in a fixed bed reactor to explore the catalytic pyrolysis mechanism of N-doped biochar catalyst. N-doped biochar catalysts, with different nitrogen content and specific surface area, were by products came from biomass N-enriched pyrolysis. Results showed that N-doped biochar catalyst greatly promoted the generation of phenols (reached 82%), especially valuable 4-vinyl phenol with 31% content and 6.65 wt% yield, as well as 16% 4-ethyl phenol with 3.04 wt% yield, based on biomass. It also promoted aromatics formation, while inhibited the generation of O-species and acetic acid with more CO2 and H2O release, thus greatly improved bio-oil quality. Furthermore, N-containing groups in N-doped biochar catalyst showed good stability, while O-containing groups decreased largely. N-doped biochar mainly acted as adsorbent, catalyst, and reactant during catalytic pyrolysis, and the possible catalytic pyrolysis mechanism was proposed based on experiment results and quantum calculations. In conclusion, N-doped biochar catalyst showed excellent catalytic property for biomass catalytic pyrolysis for phenols products.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Catalytic pyrolysis, N-doped biochar catalyst, Biomass, Bamboo wastes, Phenols products, 4-vinyl phenol |
| Depositing User: | Symplectic Admin |
| Date Deposited: | 16 Dec 2019 08:58 |
| Last Modified: | 19 Jan 2023 00:12 |
| DOI: | 10.1016/j.apenergy.2019.114242 |
| Related URLs: | |
| URI: | https://livrepository.liverpool.ac.uk/id/eprint/3066596 |
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