Evaluation of the clean characteristics and combustion behavior of hydrochar derived from food waste towards solid biofuel production
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This study investigated the clean properties and combustion behavior of hydrochar from food waste (FW). The hydrochar was characterized by proximate analysis and HHVs, and the chemical forms were investigated by FTIR, XPS (Sulfur), and XANES (Chlorine). TG-FTIR was used to assess the combustion behaviors, and XRF was used to assess the fouling and slagging inclinations. Results showed that increasing temperature from 180 °C to 260 °C enhanced the removal of N, S, and Cl for hydrochar. Especially, aromatic-S and sulfate-S increased in contrast to sulfoxide-S, and more inorganic-S was produced in hydrochar; all samples had mainly inorganic-chlorine. Additionally, the release of HCl, SO 2, and NO of hydrochar combustion were significantly reduced and the SI and FI index decreased to ranges of 0.18-0.16 and 0.32-0.17, respectively. However, hydrochar produced at temperature above 220 °C led increased NO emission possibly due to formation of more pyridine-N and quaternary-N.
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Wang et al. (2018) used co-HTC to produce hydrochar with increased higher heating value using sludge and food waste; addition of food waste increased heating value of hydrochar from 9.6 to 19 and 23 MJ/Kg at 230 °C with 50 and 70% addition; increment in heating value, carbon content increased, and ash content decreased with co-HTC.
“Wang et al. (2018) used the co-HTC technique to produce hydrochar with increased higher heating value using sludge and food waste [111].The carbonization temperature was varied to identify the desired HTC temperature for maximum heating value.The addition of the food waste increased the heating value of the hydrochar from 9.6 to 19 and 23 MJ/Kg at 230 °C with a 50 and 70% addition of food waste.M”
From Hydrochar: A Review on Its Production Technologies and Applications (2021) · cites this paper as [111]
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- Authors
- Wang, T., Zhai, Y., Zhu, Y., Gan, X., Zheng, L., Peng, C., Wang, B., Li, C., & Zeng, G.
- Affiliations
- Hunan University (CN)
- Chinese Academy of Sciences (CN)
- Corresponding author
- Zhai, Yunbo
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2018-10
- Volume
- 266
- Pages
- 275-283
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2809729570
- Cited by
- 109
- References
- 50
- Citations by year
- 2026: 7 · 2025: 14 · 2024: 6 · 2023: 20 · 2022: 17 · 2021: 17 · 2020: 18 · 2019: 9 · 2018: 1
- FWCI
- 4.49
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- www.elsevier.com/tdm/userlicense/1.0/ (tdm)
- www.elsevier.com/legal/tdmrep-license (tdm)
- www.elsevier.com/open-access/userlicense/1.0/ (am, 274 d)
- doi.org/10.15223/policy-017 (stm-asf)
- doi.org/10.15223/policy-037 (stm-asf)
- doi.org/10.15223/policy-012 (stm-asf)
- doi.org/10.15223/policy-029 (stm-asf)
- doi.org/10.15223/policy-004 (stm-asf)
- Locations
- Bioresource Technology (acceptedVersion)
- PubMed (publishedVersion)
- Funders
- National Natural Science Foundation of China, China (51679083)
- scientific and technological project of Changsha City, United Kingdom (KQ1602029)
- Shenzhen Science and Technology, China (JCYJ20160530193913646)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
- Physical Sciences › Engineering › Mechanical Engineering › Coal Combustion and Slurry Processing
- Physical Sciences › Environmental Science › Waste Management and Disposal › Municipal Solid Waste Management
- Keywords
- hydrochar, food waste, solid biofuels, combustion characteristics, nitrogen removal, desulfurization, dechlorination, inorganic sulfur, inorganic chlorine, NOx emissions, sulfur dioxide emissions, HCl emissions, slagging, fouling
- MeSH terms
- Carbon, Food, Temperature, Biofuels, Solid Waste
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