International Journal of Advanced Research in Chemical Science
Volume-3 Issue-4, 2016, Page No: 47-55
Spectroscopic and Thermal Degradation Study of Cow-Dung during Combustion and Pyrolysis
Abdul Munama*,Jahangir Ahmad Rathera, Tansir Ahamadb
a.Department of Chemistry, Sultan Qaboos University, Box 36, Al-Khod 123, Oman
b.Department of Chemistry, King Saud University, Riyadh, Kingdom of Saudi Arabia
Citation : Abdul Munam , Jahangir Ahmad Rather , Tansir Ahamad, Spectroscopic and Thermal Degradation Study of Cow-Dung during Combustion and Pyrolysis International Journal of Advanced Research in Chemical Science. 2016;3(4):47-55.
Abstract
This study reports the analysis of gases evolved during controlled pyrolysis and combustion of cow-dung. The combined thermogravimetric (TG)/ Fourtier transform infrared (FTIR)/ mass spectrometry (MS) were employed to analyze the evolved gaseous products. The results revealed that the thermal decomposition of cow-dung occurs in three steps assigned to drying of the sample, fast thermal decomposition and further cracking. The complete combustion of cow-dung occurs at 500°C, while during pyrolysis the total weight loss of 58.91 wt.% was found at 950°C. The release of gaseous product during pyrolysis was CO
2, CO, methanol, formaldehyde, formic acid, acetic acid, whereas the products during combustion were CO
2, CO. Among them, CO
2 was the dominant gaseous product in the whole combustion process.