0000-0001-8019-9969 About
Kiran Kumar Dasari received his Bachelor of Engineering (B.E.) in Mechanical Engineering from the University BDT College of Engineering (UBDTCE), Davangere, Karnataka, India in 2009. Earned his Masters of Technology (M.Tech) in Thermal Engineering from National Institute of Technology, Karnataka (NITK), Surathkal in 2013 and is currently a research scholar in the Renewable Energy Laboratory at NITK, Surathkal. His PhD research focussed on “Experimental studies on intermediate pyrolysis of lignocellulosic biomass, coconut shells”.
The thermochemical conversion of lignocellulosic biomass residues was carried out through the intermediate pyrolysis process, with the help of a pilot-scale reactor (120Kg) using electric heaters . The agricultural waste residue was heated to a temperature of 550 to 575 °C. The main research focus was on the utilization of two end products of pyrolysis (biochar and bio-oil/tar).
High moisture content, lower heating value and low thermal stability are some of the challenges posed by bio-oil while using it as drop-in-fuel or as a fuel additive. In the present research hydrodeoxygenation, chemistry has been successfully implemented for coconut shell pyrolysis oil (CSPO). The bio-oil has been upgraded with mild thermal and catalytic hydrodeoxygenation (HDO) and their physiochemical properties were compared with the properties of the upgraded bio-oil samples. Using HDO technique, the oxygen content in cr-CSPO reduced from 47.95% to 26.35% in the upgraded oil. An increase in heating value is also observed in this research.
The other product bio-char is used as an activated carbon as counter electrode in dye sensitized solar cell using naturally available sensitizer. In addition to this dye sensitized solar cell based current and temperature sensors were also developed for remote optoelectronic applications.
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