Fast microwave-assisted catalytic co-pyrolysis of corn stover and scum for bio-oil production with CaO and HZSM-5 as the catalyst

Shiyu Liu; Qinglong Xie; Bo Zhang; Yanling Cheng; Yuhuan Liu; Paul Chen; Roger Ruan

doi:10.1016/j.biortech.2015.12.085

Fast microwave-assisted catalytic co-pyrolysis of corn stover and scum for bio-oil production with CaO and HZSM-5 as the catalyst

Shiyu Liu, Qinglong Xie, Bo Zhang, Yanling Cheng, Yuhuan Liu, Paul Chen, Roger Ruan

Bioproducts and Biosystems Engineering

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

166 Scopus citations

Abstract

This study investigated fast microwave-assisted catalytic co-pyrolysis of corn stover and scum for bio-oil production with CaO and HZSM-5 as the catalyst. Effects of reaction temperature, CaO/HZSM-5 ratio, and corn stover/scum ratio on co-pyrolysis product fractional yields and selectivity were investigated. Results showed that co-pyrolysis temperature was selected as 550°C, which provides the maximum bio-oil and aromatic yields. Mixed CaO and HZSM-5 catalyst with the weight ratio of 1:4 increased the aromatic yield to 35.77wt.% of feedstock, which was 17% higher than that with HZSM-5 alone. Scum as the hydrogen donor, had a significant synergistic effect with corn stover to promote the production of bio-oil and aromatic hydrocarbons when the H/C_eff value exceeded 1. The maximum yield of aromatic hydrocarbons (29.3wt.%) were obtained when the optimal corn stover to scum ratio was 1:2.

Original language	English (US)
Pages (from-to)	164-170
Number of pages	7
Journal	Bioresource Technology
Volume	204
DOIs	https://doi.org/10.1016/j.biortech.2015.12.085
State	Published - Mar 1 2016

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Publisher Copyright:
© 2016 Elsevier Ltd.

Keywords

CaO catalyst
Catalytic co-pyrolysis
Microwave-assisted system
Scum
Zeolite

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10.1016/j.biortech.2015.12.085

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title = "Fast microwave-assisted catalytic co-pyrolysis of corn stover and scum for bio-oil production with CaO and HZSM-5 as the catalyst",

abstract = "This study investigated fast microwave-assisted catalytic co-pyrolysis of corn stover and scum for bio-oil production with CaO and HZSM-5 as the catalyst. Effects of reaction temperature, CaO/HZSM-5 ratio, and corn stover/scum ratio on co-pyrolysis product fractional yields and selectivity were investigated. Results showed that co-pyrolysis temperature was selected as 550°C, which provides the maximum bio-oil and aromatic yields. Mixed CaO and HZSM-5 catalyst with the weight ratio of 1:4 increased the aromatic yield to 35.77wt.% of feedstock, which was 17% higher than that with HZSM-5 alone. Scum as the hydrogen donor, had a significant synergistic effect with corn stover to promote the production of bio-oil and aromatic hydrocarbons when the H/Ceff value exceeded 1. The maximum yield of aromatic hydrocarbons (29.3wt.%) were obtained when the optimal corn stover to scum ratio was 1:2.",

keywords = "CaO catalyst, Catalytic co-pyrolysis, Microwave-assisted system, Scum, Zeolite",

author = "Shiyu Liu and Qinglong Xie and Bo Zhang and Yanling Cheng and Yuhuan Liu and Paul Chen and Roger Ruan",

note = "Publisher Copyright: {\textcopyright} 2016 Elsevier Ltd.",

year = "2016",

month = mar,

day = "1",

doi = "10.1016/j.biortech.2015.12.085",

language = "English (US)",

volume = "204",

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T1 - Fast microwave-assisted catalytic co-pyrolysis of corn stover and scum for bio-oil production with CaO and HZSM-5 as the catalyst

AU - Liu, Shiyu

AU - Xie, Qinglong

AU - Zhang, Bo

AU - Cheng, Yanling

AU - Liu, Yuhuan

AU - Chen, Paul

AU - Ruan, Roger

PY - 2016/3/1

Y1 - 2016/3/1

N2 - This study investigated fast microwave-assisted catalytic co-pyrolysis of corn stover and scum for bio-oil production with CaO and HZSM-5 as the catalyst. Effects of reaction temperature, CaO/HZSM-5 ratio, and corn stover/scum ratio on co-pyrolysis product fractional yields and selectivity were investigated. Results showed that co-pyrolysis temperature was selected as 550°C, which provides the maximum bio-oil and aromatic yields. Mixed CaO and HZSM-5 catalyst with the weight ratio of 1:4 increased the aromatic yield to 35.77wt.% of feedstock, which was 17% higher than that with HZSM-5 alone. Scum as the hydrogen donor, had a significant synergistic effect with corn stover to promote the production of bio-oil and aromatic hydrocarbons when the H/Ceff value exceeded 1. The maximum yield of aromatic hydrocarbons (29.3wt.%) were obtained when the optimal corn stover to scum ratio was 1:2.

AB - This study investigated fast microwave-assisted catalytic co-pyrolysis of corn stover and scum for bio-oil production with CaO and HZSM-5 as the catalyst. Effects of reaction temperature, CaO/HZSM-5 ratio, and corn stover/scum ratio on co-pyrolysis product fractional yields and selectivity were investigated. Results showed that co-pyrolysis temperature was selected as 550°C, which provides the maximum bio-oil and aromatic yields. Mixed CaO and HZSM-5 catalyst with the weight ratio of 1:4 increased the aromatic yield to 35.77wt.% of feedstock, which was 17% higher than that with HZSM-5 alone. Scum as the hydrogen donor, had a significant synergistic effect with corn stover to promote the production of bio-oil and aromatic hydrocarbons when the H/Ceff value exceeded 1. The maximum yield of aromatic hydrocarbons (29.3wt.%) were obtained when the optimal corn stover to scum ratio was 1:2.

KW - CaO catalyst

KW - Catalytic co-pyrolysis

KW - Microwave-assisted system

KW - Scum

KW - Zeolite

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Fast microwave-assisted catalytic co-pyrolysis of corn stover and scum for bio-oil production with CaO and HZSM-5 as the catalyst

Abstract

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