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Co-liquefaction of Prosopis juliflora with polyolefin waste for production of high grade liquid hydrocarbons

Author:
Arun, Jayaseelan, Gopinath, Kannappan Panchamoorthy, SundarRajan, PanneerSelvam, JoselynMonica, Marudai, Felix, Vargees
Source:
Bioresource technology 2019 v.274 pp. 296-301
ISSN:
0960-8524
Subject:
Fourier transform infrared spectroscopy, Prosopis juliflora, bentonite, biofuels, biomass, byproducts, carbon, carbon dioxide, carbon monoxide, catalysts, energy recovery, gas chromatography-mass spectrometry, hydrochloric acid, hydrogen, liquefaction, liquids, methane, polyolefin, temperature, wastewater
Abstract:
In this study, co-liquefaction (HTL) of Prosopis juliflora (PJ) biomass with polyolefin waste (PO) was performed to produce bio-oil. HTL on bio-oil yield was studied at varying PJ to PO ratios (0:1, 1:0, 1:1, 2:1, 3:1, 4:1 and 5:1) and temperatures from 340 to 440 °C. Bio-oil and HTL by-products were characterized by Mass Spectroscopy (GC–MS) and Fourier Transform Infrared Spectroscopy (FTIR) analysis. Bio-oil yield was around 61.23%wt at 420 °C for 3:1 blends with 3 wt% of HCl activated bentonite catalyst at 60 min holding time. HHV value was 46 MJ/Kg with 88.23% purity (petro-diesel). Additionally gas possessed 26.28% of Hydrogen gas, 45.59% of Carbon dioxide gas, 7.1% of Carbon monoxide gas, 8.12% of Methane gas and other elements. The energy recovery (78%) and carbon recovery (94%) was higher for 3:1 blends bio-oil than PO and PJ processed bio-oils. HTL wastewater possessed higher degree of reusability nature as HTL medium.
Agid:
6256324