Abstract
This paper presents the life cycle assessment (LCA) of a novel process involving hydrothermal liquefaction of palm kernel shell (PKS) to produce bio-oil and subsequent extraction using supercritical CO2 (sc-CO2) to obtain a phenol-rich extract. In this study, five environmental impact categories, namely global warming potential (GWP), acidification potential (AP), eutrophication potential (EP), human toxicity potential (HTP), and photochemical ozone creation potential (POCP), were considered. In addition, a qualitative analysis on technology readiness level (TRL) on the interpretation of the LCA results was included. Lastly, conventional production of crude phenol was chosen as the benchmark for comparison to identify the environmental impact margins that need to be bridged in the future through process improvements.
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Funding
This research is supported by Long-Term Research Grant Scheme (LRGS) under the Ministry of Higher Education (MOHE), Malaysia and Japan Society for the Promotion of Science (JSPS) Bilateral Joint Research Program in collaboration with Universiti Teknologi PETRONAS, Malaysia, De La Salle University, Philippines, and Kumamoto University, Japan.
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Chan, Y.H., Tan, R.R., Yusup, S. et al. Life Cycle Assessment (LCA) of Production and Fractionation of Bio-Oil Derived from Palm Kernel Shell: a Gate-to-Gate Case Study. Process Integr Optim Sustain 2, 343–351 (2018). https://doi.org/10.1007/s41660-018-0052-3
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DOI: https://doi.org/10.1007/s41660-018-0052-3