Co-torrefaction of corncob and waste cooking oil coupled with fast co-pyrolysis for bio-oil production

Qiuhao Wu; Letian Zhang; Linyao Ke; Qi Zhang; Xian Cui; Liangliang Fan; Anqi Dai; Chuangxin Xu; Qihang Zhang; Krik Bob; Rongge Zou; Yuhuan Liu; Roger Ruan; Yunpu Wang

doi:10.1016/j.biortech.2022.128529

Co-torrefaction of corncob and waste cooking oil coupled with fast co-pyrolysis for bio-oil production

Qiuhao Wu, Letian Zhang, Linyao Ke, Qi Zhang, Xian Cui, Liangliang Fan, Anqi Dai, Chuangxin Xu, Qihang Zhang, Krik Bob, Rongge Zou, Yuhuan Liu, Roger Ruan, Yunpu Wang

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

Lignocellulosic biomass is a rich source of fixed renewable carbon and a promising alternative to fossil sources. However, low effective hydrogen to carbon ratio limits its applications. This work studied the influence of oil-bath co-torrefaction of corncob and waste cooking oil for co-pyrolysis. It was compared with dry torrefaction and hydrothermal wet torrefaction firstly. Residual of oil-bath co-torrefaction were the highest of 97.01 %. Oil-bath co-torrefaction could maximize hydrogen atoms retention in corncob, which has a positive significance for deoxygenation during pyrolysis. Oil-bath co-torrefaction could also reduce the average activation energy required for corncob decomposition, while it was increased with dry torrefaction. Oil-bath co-torrefaction coupled with co-pyrolysis was more suitable for hydrocarbon-rich bio-oil production. Oil-bath co-torrefaction temperature had the greatest influence on bio-oil composition. High pressure promoted formation of the C[dbnd]C double bond and degradation of lignin, which further promoted the formation of monocyclic aromatics in bio-oil.

Original language	English
Article number	128529
Journal	Bioresource Technology
Volume	370
DOIs	https://doi.org/10.1016/j.biortech.2022.128529
State	Published - Feb 2023
Externally published	Yes

Funding

This project was financially supported by the National Natural Science Foundation of China (No. 52166015; No. 22166026), The Natural Science Foundation of Jiangxi Province (20212ACB215007), The Major Discipline Academic and Technical Leaders Training Program of Jiangxi Province (20204BCJ23011).

Keywords

Bio-oil
Co-pyrolysis
Co-torrefaction
Corncob
Waste cooking oil

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.biortech.2022.128529

Cite this

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title = "Co-torrefaction of corncob and waste cooking oil coupled with fast co-pyrolysis for bio-oil production",

abstract = "Lignocellulosic biomass is a rich source of fixed renewable carbon and a promising alternative to fossil sources. However, low effective hydrogen to carbon ratio limits its applications. This work studied the influence of oil-bath co-torrefaction of corncob and waste cooking oil for co-pyrolysis. It was compared with dry torrefaction and hydrothermal wet torrefaction firstly. Residual of oil-bath co-torrefaction were the highest of 97.01 %. Oil-bath co-torrefaction could maximize hydrogen atoms retention in corncob, which has a positive significance for deoxygenation during pyrolysis. Oil-bath co-torrefaction could also reduce the average activation energy required for corncob decomposition, while it was increased with dry torrefaction. Oil-bath co-torrefaction coupled with co-pyrolysis was more suitable for hydrocarbon-rich bio-oil production. Oil-bath co-torrefaction temperature had the greatest influence on bio-oil composition. High pressure promoted formation of the C[dbnd]C double bond and degradation of lignin, which further promoted the formation of monocyclic aromatics in bio-oil.",

keywords = "Bio-oil, Co-pyrolysis, Co-torrefaction, Corncob, Waste cooking oil",

author = "Qiuhao Wu and Letian Zhang and Linyao Ke and Qi Zhang and Xian Cui and Liangliang Fan and Anqi Dai and Chuangxin Xu and Qihang Zhang and Krik Bob and Rongge Zou and Yuhuan Liu and Roger Ruan and Yunpu Wang",

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doi = "10.1016/j.biortech.2022.128529",

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T1 - Co-torrefaction of corncob and waste cooking oil coupled with fast co-pyrolysis for bio-oil production

AU - Wu, Qiuhao

AU - Zhang, Letian

AU - Ke, Linyao

AU - Zhang, Qi

AU - Cui, Xian

AU - Fan, Liangliang

AU - Dai, Anqi

AU - Xu, Chuangxin

AU - Zhang, Qihang

AU - Bob, Krik

AU - Zou, Rongge

AU - Liu, Yuhuan

AU - Ruan, Roger

AU - Wang, Yunpu

PY - 2023/2

Y1 - 2023/2

N2 - Lignocellulosic biomass is a rich source of fixed renewable carbon and a promising alternative to fossil sources. However, low effective hydrogen to carbon ratio limits its applications. This work studied the influence of oil-bath co-torrefaction of corncob and waste cooking oil for co-pyrolysis. It was compared with dry torrefaction and hydrothermal wet torrefaction firstly. Residual of oil-bath co-torrefaction were the highest of 97.01 %. Oil-bath co-torrefaction could maximize hydrogen atoms retention in corncob, which has a positive significance for deoxygenation during pyrolysis. Oil-bath co-torrefaction could also reduce the average activation energy required for corncob decomposition, while it was increased with dry torrefaction. Oil-bath co-torrefaction coupled with co-pyrolysis was more suitable for hydrocarbon-rich bio-oil production. Oil-bath co-torrefaction temperature had the greatest influence on bio-oil composition. High pressure promoted formation of the C[dbnd]C double bond and degradation of lignin, which further promoted the formation of monocyclic aromatics in bio-oil.

AB - Lignocellulosic biomass is a rich source of fixed renewable carbon and a promising alternative to fossil sources. However, low effective hydrogen to carbon ratio limits its applications. This work studied the influence of oil-bath co-torrefaction of corncob and waste cooking oil for co-pyrolysis. It was compared with dry torrefaction and hydrothermal wet torrefaction firstly. Residual of oil-bath co-torrefaction were the highest of 97.01 %. Oil-bath co-torrefaction could maximize hydrogen atoms retention in corncob, which has a positive significance for deoxygenation during pyrolysis. Oil-bath co-torrefaction could also reduce the average activation energy required for corncob decomposition, while it was increased with dry torrefaction. Oil-bath co-torrefaction coupled with co-pyrolysis was more suitable for hydrocarbon-rich bio-oil production. Oil-bath co-torrefaction temperature had the greatest influence on bio-oil composition. High pressure promoted formation of the C[dbnd]C double bond and degradation of lignin, which further promoted the formation of monocyclic aromatics in bio-oil.

KW - Bio-oil

KW - Co-pyrolysis

KW - Co-torrefaction

KW - Corncob

KW - Waste cooking oil

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Co-torrefaction of corncob and waste cooking oil coupled with fast co-pyrolysis for bio-oil production

Abstract

Funding

Keywords

UN SDGs

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