Assessment of Product Yield and Characteristics of Biocrude from Hydrothermal Liquefaction
R. Divyabharathi*
Dept. of Renewable Energy Engineering, Agricultural Engineering College and Research Institute, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu (641 003), India
P. Subramanian
Dept. of Renewable Energy Engineering, Agricultural Engineering College and Research Institute, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu (641 003), India
DOI: https://doi.org/10.54083/ResBio/4.2.2022/42-46
Keywords: Biocrude, FTIR, GC-MS, Hydrothermal liquefaction, Wet biomass, Wine waste
Abstract
Biomass is a promising renewable energy source for fuel conversion. Hydrothermal liquefaction technology converts biomass into an energy-rich biofuel called biocrude which can potentially substitute fossil fuels. In this study, wet biomass namely water hyacinth, banana pseudostem, banana peduncle, wine waste and beer waste were investigated for biocrude production. The biomass macro molecules underwent anaerobic thermochemical disintegration to yield biocrude in the range of 7.3 to 16% at the hydrothermal liquefaction temperature and pressure of 275 ºC and 15 MPa respectively. Wine waste showed higher biocrude yield (16%) among the selected biomass materials with aqueous phase (63%) and char (3%) as by products. The recovered biocrude showed good quality fuel properties similar to diesel and bio-diesel with heating value of about 30 MJ kg-1. GCMS and FTIR analyses proved the biocrude to be rich in aliphatic and aromatic fuel and chemical derivatives of alkenes, alcohols, ketones and amines which necessitate its potential to drop in advanced fuels and chemicals for supplementing conventional resources.
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