Volume No. 9 Issue No.: 1 Page No.: 151-160 July-September 2014




Shinde V.B.*1 and Singarvelu M.2

1. Department of Bio-energy, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu (INDIA)
2. Department of Bio-energy, Agricultural Engineering College and Research Institute, TNAU, Coimbatore, Tamil Nadu (INDIA)


Received on : December 02, 2013




This paper aims to study the thermal behavior in pyrolytic environment of ten biomass stalks (cotton stalk, pigeon pea stalk, Cumbu napier grass, ground nut shell, soybean stalk, maize stalk, sunflower stalk, coir pith, rice husk and saw dust). The unit which consists of microbalance and furnace followed with Nitrogen N2 as inert. Heating rate was set at 20C/min and temperature started from room temperature to 1000C. Thermo Gravimetric Analysis (TGA) graphs gives information about three zones i) up to 100C (loss of moisture content) ii) upto 600C (volatile matter burned) iii) Above 800C (ash residue remains). Here found that up to 100C biomass loss their weight 5-10 %. Cumbu napier grass gives highest loss value in this range. Up to 600C found 55-75% of mass loss, where coir pith has highest mass loss in this range. At more than 800C found mass loss 2-22 %, where soybean stalk found highest mass loss in this zone.


Keywords : Thermo Gravimetric Analysis, Biomass, Briquetting, Cumbu napier, Soybean stalk