期刊
ENERGY
卷 240, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2021.122808
关键词
Co-pyrolysis; Biomass; Waste tire; Synergistic effect; Product characteristic
资金
- Na-tional Natural Science Foundation of China [51906100, 51806095]
- Natural Science Foundation of Jiangsu Province [BK20191015, BK20181022]
- Qinglan Project of Jiangsu Province of China
This work aims to understand the co-pyrolysis synergy between different biomass and waste tire for high value utilization. Thermal behavior, product yields and characteristics were analyzed to study the influence of biomass species and blending ratios on co-pyrolysis synergistic effect. The results showed positive synergistic effects on char and liquid production, with weakened synergy in liquid production when waste tire was blended. Co-pyrolysis also had positive synergistic effects on CO and CO2 generation, but negative synergistic effects on H2 and CH4 content.
The work aims to get a full understanding of the co-pyrolysis synergy between different biomass and waste tire for high value utilization of both biomass and waste tire. Rice husk (RH), wheat straw (WS) and moso bamboo (MB) were chosen to co-pyrolyze with waste tire (WT). Influence of biomass species and blending ratios on co-pyrolysis synergistic effect was studied by analyzing thermal behavior, product yields and character. Thermogravimetry analysis proved the existence of synergistic effect and measured positive decomposition synergy for MB/WT. Char production showed little synergy for all biomass during co-pyrolysis while positive synergistic effect in liquid production was weakened with WT blending. Copyrolysis char integrated both biomass char and WT char characteristic. The pore structure was corresponding to that of biomass char and improved by synergy for all biomass, especially WS and MB. Copyrolysis oil mainly consisted of the typical components of bio-oil and WT oil, showing lower oxygenated compounds percentage than bio-oil. Aromatic hydrocarbons formation was inhibited while alicyclic hydrocarbons formation was intensified by co-pyrolysis interaction and MB/WT co-pyrolysis showed significant synergy in ethers and furans production. Co-pyrolysis showed positive synergistic effect on CO and CO2 generation and negative synergistic effect on H2 and CH4 content. (c) 2021 Elsevier Ltd. All rights reserved.
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