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Solvothermal co-liquefaction of sugarcane bagasse and polyethylene under sub-supercritical conditions: optimization of process parameters
Process Safety and Environmental Protection ( IF 4.384 ) Pub Date : 2020-01-18 , DOI: 10.1016/j.psep.2020.01.018
Humair Ahmed Baloch; M.T.H Siddiqui; Sabzoi Nizamuddin; N.M Mubarak; Mohammad Khalid; M.P Srinivasan; G.J Griffin

The co-liquefaction of mixtures of sugarcane bagasse and high density polyethylene (HDPE) in ethanol under subcritical and super-critical conditions was studied with the objective of finding optimal process conditions for bio-oil yield and overall conversion. Taguchi method was employed to design with 9 experiments to find the effect of 4 independent variables (temperature, reaction time, biomass to plastic composition and solvent-to-biomass ratio) on the co-liquefaction of plastic and biomass for total conversion and bio-oil yield. The optimal results showed 60% conversion with bio-oil yield 32.3% having HHV of bio-oil 29.6 MJ/kg respectively. The predicted model indicated a good fit with that of experimental data. Furthermore, detailed characterizations of bio-oils were carried out such as higher heating value (HHV), chemical composition, NMR analysis, elemental analysis, FTIR and thermogravimetric analysis. The co-liquefaction of sugarcane bagasse and polyethylene was found effective to improve the qualitative and quantitate features of products from the biomass.
更新日期:2020-01-21

 

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