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Value-addition of water hyacinth and para grass through pyrolysis and hydrothermal liquefaction 被引量:1
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作者 Dinabandhu Sahoo Ayushi Awasthi +9 位作者 Vaibhav Dhyani Bijoy Biswas Jitendra kumar Yenumala Sudhakara Reddy V.P.Adarshc Anoop Puthiyamadam kiran kumar mallapureddy Rajeev KSukumaran Sabeela Beevi Ummalyma Thallada Bhaskar 《Carbon Resources Conversion》 2019年第3期233-241,共9页
Hydrothermal liquefaction(HTL)and pyrolysis(Py)of Loktak lake biomass mixture of water hyacinth(WH)and para grass(PG)were carried out at 260-300℃ and 300-500℃ to compare the products yield and chemical characteristi... Hydrothermal liquefaction(HTL)and pyrolysis(Py)of Loktak lake biomass mixture of water hyacinth(WH)and para grass(PG)were carried out at 260-300℃ and 300-500℃ to compare the products yield and chemical characteristics of the products.In case of HTL,the maximum bio-oil yield was obtained 13.34 wt.%at 280℃ while for Py,the maximum bio-oil yield was observed 38.8 wt.%at 350℃.The obtained bio-oils and bio-chars were analyzed using GC-MS,FT-IR,NMR,TGA,TOC,and SEM.GC-MS analysis of the bio-oils were showed that the HTL bio-oil majorly contains of nitrogen containing compounds whereas the Py bio-oil contains majority of phenolic compounds.Other compounds like ketones,alcohols,acids were also observed in bio-oil.Higher intensity broad band at 3300-3500 cm^(−1) was observed in the Py bio-oil compared to HTL bio-oil.TGA and proximate analysis of bio-char revealed the higher devolatilization occured during the HTL compared to Py process.The surface morphology of the HTL bio-char was found to be rough and fragmented as compared to the pyrolysis bio-char,clearly showing the biomass macromolecules breakdown differently in HTL and Py process. 展开更多
关键词 Hydrothermal liquefaction PYROLYSIS Aquatic biomass BIO-OIL Functional compounds BIO-CHAR
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