Fast hydrothermal co-liquefaction of corn stover and cow manure for biocrude and hydrochar production

Quan Liu; Ruolan Xu; Cuiqiang Yan; Lujia Han; Hanwu Lei; Roger Ruan; Xuesong Zhang

doi:10.1016/j.biortech.2021.125630

Fast hydrothermal co-liquefaction of corn stover and cow manure for biocrude and hydrochar production

Quan Liu, Ruolan Xu, Cuiqiang Yan, Lujia Han, Hanwu Lei, Roger Ruan, Xuesong Zhang

Bioproducts and Biosystems Engineering

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

37 Scopus citations

Abstract

Fast Hydrothermal liquefaction (HTL) has emerged as a versatile means of converting wet biomass into bio-crude oil. This study was aimed to explore a fast hydrothermal co-liquefaction (co-HTL) platform to valorize corn stover and cow manure by evaluating several reaction parameters (i.e., residence time, reaction temperature, and feedstocks mass ratio). The highest yield (over 24 wt%) of bio-crude oil was achieved under the moderate condition (400 °C, 16 min, and the mass ratio of 1:1). The Higher heating value (HHV) of bio-crude oil was around 34 MJ/kg. Up to 43% of selectivity toward phenols in bio-crude oil was gained from fast co-HTL maintained for 30 min. The properties of hydrochar were comprehensively characterized by CHNS elemental analysis, SEM, EDX, and FTIR. The highest HHV of hydrochar was 27.31 MJ/kg, suggesting the high potential as a solid fuel. CO₂ as the dominant gaseous fraction were identified and quantified by GC.

Original language	English (US)
Article number	125630
Journal	Bioresource Technology
Volume	340
DOIs	https://doi.org/10.1016/j.biortech.2021.125630
State	Published - Nov 1 2021

Bibliographical note

Funding Information:
This work was supported by Start-up Funding for High-end Talents of China Agricultural University and Chinese Universities Scientific Fund ( 10092001 ).

Publisher Copyright:
© 2021 Elsevier Ltd

Keywords

Bio-crude oil
Corn stover
Cow manure
Fast hydrothermal co-liquefaction
Hydrochar

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Journal Article

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title = "Fast hydrothermal co-liquefaction of corn stover and cow manure for biocrude and hydrochar production",

abstract = "Fast Hydrothermal liquefaction (HTL) has emerged as a versatile means of converting wet biomass into bio-crude oil. This study was aimed to explore a fast hydrothermal co-liquefaction (co-HTL) platform to valorize corn stover and cow manure by evaluating several reaction parameters (i.e., residence time, reaction temperature, and feedstocks mass ratio). The highest yield (over 24 wt%) of bio-crude oil was achieved under the moderate condition (400 °C, 16 min, and the mass ratio of 1:1). The Higher heating value (HHV) of bio-crude oil was around 34 MJ/kg. Up to 43% of selectivity toward phenols in bio-crude oil was gained from fast co-HTL maintained for 30 min. The properties of hydrochar were comprehensively characterized by CHNS elemental analysis, SEM, EDX, and FTIR. The highest HHV of hydrochar was 27.31 MJ/kg, suggesting the high potential as a solid fuel. CO2 as the dominant gaseous fraction were identified and quantified by GC.",

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AU - Lei, Hanwu

AU - Ruan, Roger

AU - Zhang, Xuesong

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N2 - Fast Hydrothermal liquefaction (HTL) has emerged as a versatile means of converting wet biomass into bio-crude oil. This study was aimed to explore a fast hydrothermal co-liquefaction (co-HTL) platform to valorize corn stover and cow manure by evaluating several reaction parameters (i.e., residence time, reaction temperature, and feedstocks mass ratio). The highest yield (over 24 wt%) of bio-crude oil was achieved under the moderate condition (400 °C, 16 min, and the mass ratio of 1:1). The Higher heating value (HHV) of bio-crude oil was around 34 MJ/kg. Up to 43% of selectivity toward phenols in bio-crude oil was gained from fast co-HTL maintained for 30 min. The properties of hydrochar were comprehensively characterized by CHNS elemental analysis, SEM, EDX, and FTIR. The highest HHV of hydrochar was 27.31 MJ/kg, suggesting the high potential as a solid fuel. CO2 as the dominant gaseous fraction were identified and quantified by GC.

AB - Fast Hydrothermal liquefaction (HTL) has emerged as a versatile means of converting wet biomass into bio-crude oil. This study was aimed to explore a fast hydrothermal co-liquefaction (co-HTL) platform to valorize corn stover and cow manure by evaluating several reaction parameters (i.e., residence time, reaction temperature, and feedstocks mass ratio). The highest yield (over 24 wt%) of bio-crude oil was achieved under the moderate condition (400 °C, 16 min, and the mass ratio of 1:1). The Higher heating value (HHV) of bio-crude oil was around 34 MJ/kg. Up to 43% of selectivity toward phenols in bio-crude oil was gained from fast co-HTL maintained for 30 min. The properties of hydrochar were comprehensively characterized by CHNS elemental analysis, SEM, EDX, and FTIR. The highest HHV of hydrochar was 27.31 MJ/kg, suggesting the high potential as a solid fuel. CO2 as the dominant gaseous fraction were identified and quantified by GC.

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Fast hydrothermal co-liquefaction of corn stover and cow manure for biocrude and hydrochar production

Abstract

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Keywords

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UN SDGs

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