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Beneficial synergistic effect on bio-oil production from co-liquefaction of sewage sludge and lignocellulosic biomass
Abstract
Co-liquefaction of municipal sewage sludge (MSS) and lignocellulosic biomass such as rice straw or wood sawdust at different mixing ratios and the characterization of the obtained bio-oil and bio-char were investigated. Synergistic effects were found during co-processing of MSS with biomass for production of bio-oil with higher yield and better fuel properties than those from individual feedstock. The co-liquefaction of MSS/rice straw (4/4, wt) increased the bio-oil yield from 22.74% (bio-oil yield from liquefaction of MSS individually) or 23.67% (rice straw) to 32.45%. Comparable increase on bio-oil yield was also observed for MSS/wood sawdust mixtures (2/6, wt). The bio-oils produced from MSS/biomass mixtures were mainly composed of esters and phenols with lower boiling points (degradation temperatures) than those from individual feedstock (identified with higher heavy bio-oil fractions). These synergistic effects were probably resulted from the interactions between the intermittent products of MSS and those of biomass during processing.
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“In addition, other feedstocks have been used in the HTL, such as lignin and lignocellulosic biomass, with 45 and 28 occurrences respectively [28–32], and sewage sludge, with 48 [16, 33–36].”
From Research Progress, Trends, and Future Prospects on Hydrothermal Liquefaction of Algae for Biocrude Production: A Bibliometric Analysis (2024) · cites this paper as [33]
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Metadata
- Authors
- Leng, L., Li, J., Yuan, X., Li, J., Han, P., Hong, Y., Wei, F., & Zhou, W.
- Affiliations
- Nanchang University (CN)
- Hunan University (CN)
- Corresponding author
- Zhou, Wenguang
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2018-03
- Volume
- 251
- Pages
- 49-56
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2775360834
- Cited by
- 139
- References
- 33
- Citations by year
- 2026: 5 · 2025: 12 · 2024: 11 · 2023: 14 · 2022: 17 · 2021: 25 · 2020: 21 · 2019: 15 · 2018: 19
- FWCI
- 6.76
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Natural Science Foundation of China (51668044, 51768043, 21276069)
- Key Research Development Program of the Jiangxi Province of China (20161BBH80029, 20171BBG70036)
- Talent Program for Distinguished Young Scholars of Jiangxi Province of China (20171BCB23015)
- Key Science and Technology Research Program of Department of Education of the Jiangxi Province of China (150029)
- Topics
- Physical Sciences › Energy › Fuel Technology › Thermochemical Biomass Conversion Processes
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Anaerobic Digestion and Biogas Production
- Physical Sciences › Engineering › Biomedical Engineering › Biofuel production and bioconversion
- Keywords
- sewage sludge, lignocellulosic biomass, co-liquefaction, bio-oil, biochar, synergistic effect, rice straw, sawdust, bio-oil yield, fuel properties, esters, phenols, waste valorization
- MeSH terms
- Plant Oils, Sewage, Temperature, Biomass, Biofuels, Polyphenols
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