A comprehensive analysis of food waste derived liquefaction bio-oil properties for industrial application

Wei-Hsin Chen, Yu Ying Lin, Hsuah Cheng Liu, Teng Chien Chen, Chun Hung Hung, Chi Hui Chen, Hwai Chyuan Ong

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Hydrothermal liquefaction is a promising technology to convert wet biomass into bio-oil with high calorific value and without drying process. To evaluate the potential application of liquefaction bio-oil in industry, the present study aims to provide a comprehensive analysis on the properties of liquefaction bio-oil derived from food waste. The food waste is pretreated with K2CO3 at 100 °C for 1 h, followed by liquefaction in a semi-pilot reactor at 320 °C for 30 min. The higher heating value of produced bio-oil is 34.79 MJ kg−1, accounting for 53% increase when compared to the feedstock (22.74 MJ kg−1). The ignition and burnout temperatures of the bio-oil are lower than other liquefaction bio-oils, reflecting its higher reactivity and combustibility. Meanwhile, the bio-oil has a higher oxidation onset temperature than pyrolysis bio-oils, showing its higher thermal stability. The independent parallel reaction model in association with the particle swarm optimization indicates that the pyrolysis kinetics of the bio-oil can be approximated by four groups. The component analysis further reveals two important groups of fatty acids and amides in the bio-oil, stemming from the conversion of carbohydrate and protein in the food waste. The comprehensive analysis shows that the liquefaction bio-oil from food waste, characterized by higher energy density and better combustibility, is a potential substitute to the fossil fuels.

Original languageEnglish
Pages (from-to)283-291
Number of pages9
JournalApplied Energy
Volume237
DOIs
Publication statusPublished - 2019 Mar 1

Fingerprint

Liquefaction
liquefaction
Industrial applications
food
oil
Flammability
pyrolysis
Pyrolysis
Oils
analysis
Calorific value
Thermooxidation
Carbohydrates
Fossil fuels
Amides
Fatty acids
Particle swarm optimization (PSO)
Feedstocks
fossil fuel
Ignition

All Science Journal Classification (ASJC) codes

  • Building and Construction
  • Energy(all)
  • Mechanical Engineering
  • Management, Monitoring, Policy and Law

Cite this

Chen, Wei-Hsin ; Lin, Yu Ying ; Liu, Hsuah Cheng ; Chen, Teng Chien ; Hung, Chun Hung ; Chen, Chi Hui ; Ong, Hwai Chyuan. / A comprehensive analysis of food waste derived liquefaction bio-oil properties for industrial application. In: Applied Energy. 2019 ; Vol. 237. pp. 283-291.
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A comprehensive analysis of food waste derived liquefaction bio-oil properties for industrial application. / Chen, Wei-Hsin; Lin, Yu Ying; Liu, Hsuah Cheng; Chen, Teng Chien; Hung, Chun Hung; Chen, Chi Hui; Ong, Hwai Chyuan.

In: Applied Energy, Vol. 237, 01.03.2019, p. 283-291.

Research output: Contribution to journalArticle

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