Fast microwave-assisted catalytic co-pyrolysis of lignin and low-density polyethylene with HZSM-5 and MgO for improved bio-oil yield and quality

Liangliang Fan; Paul Chen; Yaning Zhang; Shiyu Liu; Yuhuan Liu; Yunpu Wang; Leilei Dai; Roger Ruan

doi:10.1016/j.biortech.2016.11.072

Fast microwave-assisted catalytic co-pyrolysis of lignin and low-density polyethylene with HZSM-5 and MgO for improved bio-oil yield and quality

Liangliang Fan, Paul Chen, Yaning Zhang, Shiyu Liu, Yuhuan Liu, Yunpu Wang, Leilei Dai, Roger Ruan

Bioproducts and Biosystems Engineering

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

176 Scopus citations

Abstract

Fast microwave-assisted catalytic co-pyrolysis of lignin and low-density polyethylene (LDPE) with HZSM-5 and MgO was investigated. Effects of pyrolysis temperature, lignin to LDPE ratio, MgO to HZSM-5 ratio, and feedstock to catalyst ratio on the products yields and chemical profiles were examined. 500 °C was the optimal co-pyrolysis temperature in terms of the maximum bio-oil yield. The proportion of aromatics increased with increasing LDPE content. In addition, with the addition of LDPE (lignin/LDPE = 1/2), methoxyl group in the phenols was completely removed. A synergistic effect was found between lignin and LDPE. The proportion of aromatics increased and alkylated phenols decreased with increasing HZSM-5 to MgO ratio. The bio-oil yield increased with the addition of appropriate amount of catalyst and the proportion of alkylated phenols increased with increasing catalyst to feedstock ratio.

Original language	English (US)
Pages (from-to)	199-205
Number of pages	7
Journal	Bioresource Technology
Volume	225
DOIs	https://doi.org/10.1016/j.biortech.2016.11.072
State	Published - Feb 1 2017

Bibliographical note

Funding Information:
This work was in part supported by Natural Science Foundation of China (21466022 and 21266022), International Cooperation Project of MOST. P. R. CHINA (2014DFA61040), and the Key project of Jiangxi Provincial Department of Science and Technology Jiangxi (20161BBF60057).

Publisher Copyright:
© 2016

Keywords

Catalytic co-pyrolysis
HZSM-5
Lignin
Low-density polyethylene
MgO

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title = "Fast microwave-assisted catalytic co-pyrolysis of lignin and low-density polyethylene with HZSM-5 and MgO for improved bio-oil yield and quality",

abstract = "Fast microwave-assisted catalytic co-pyrolysis of lignin and low-density polyethylene (LDPE) with HZSM-5 and MgO was investigated. Effects of pyrolysis temperature, lignin to LDPE ratio, MgO to HZSM-5 ratio, and feedstock to catalyst ratio on the products yields and chemical profiles were examined. 500 °C was the optimal co-pyrolysis temperature in terms of the maximum bio-oil yield. The proportion of aromatics increased with increasing LDPE content. In addition, with the addition of LDPE (lignin/LDPE = 1/2), methoxyl group in the phenols was completely removed. A synergistic effect was found between lignin and LDPE. The proportion of aromatics increased and alkylated phenols decreased with increasing HZSM-5 to MgO ratio. The bio-oil yield increased with the addition of appropriate amount of catalyst and the proportion of alkylated phenols increased with increasing catalyst to feedstock ratio.",

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note = "Funding Information: This work was in part supported by Natural Science Foundation of China (21466022 and 21266022), International Cooperation Project of MOST. P. R. CHINA (2014DFA61040), and the Key project of Jiangxi Provincial Department of Science and Technology Jiangxi (20161BBF60057). Publisher Copyright: {\textcopyright} 2016",

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AU - Liu, Shiyu

AU - Liu, Yuhuan

AU - Wang, Yunpu

AU - Dai, Leilei

AU - Ruan, Roger

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N2 - Fast microwave-assisted catalytic co-pyrolysis of lignin and low-density polyethylene (LDPE) with HZSM-5 and MgO was investigated. Effects of pyrolysis temperature, lignin to LDPE ratio, MgO to HZSM-5 ratio, and feedstock to catalyst ratio on the products yields and chemical profiles were examined. 500 °C was the optimal co-pyrolysis temperature in terms of the maximum bio-oil yield. The proportion of aromatics increased with increasing LDPE content. In addition, with the addition of LDPE (lignin/LDPE = 1/2), methoxyl group in the phenols was completely removed. A synergistic effect was found between lignin and LDPE. The proportion of aromatics increased and alkylated phenols decreased with increasing HZSM-5 to MgO ratio. The bio-oil yield increased with the addition of appropriate amount of catalyst and the proportion of alkylated phenols increased with increasing catalyst to feedstock ratio.

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Fast microwave-assisted catalytic co-pyrolysis of lignin and low-density polyethylene with HZSM-5 and MgO for improved bio-oil yield and quality

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