PREPARATION OF FEED FOR COMBUSTION PURPOSE FROM WOODY MATERIAL BY TORREFACTION

Abstract

Stems, leaves, flowers, seeds, coconut shells were collected from NEERI, Nagpur campus in the month of April 2016. They were mixed together and pulverized into two particle sizes i. e. 1.4 mm and 3 mm. The pulverized matter of each particle sizes were subjected to low heat treatment with varying temperature and time as follows 230°C (30 min), 230°C (60 min) and 260°C (60 min). Ultimate analysis of raw as well as treated materials was performed by Vario EL III Elementar CHNS analyzer. Net calorific values (NCV) were calculated using modified Dulong formula from elementar analysis of raw and treated woody material. Upon treatment, increase in calorific values of all the samples were found but the higher calorific value was obtained for 3 mm particle size at 230°C for 60 min.