Open AccessAn experimental investigation on utilizing cassava stalk as biomass sources in a gasifier
Author(s) -
Murugan Paradesi Chockalingam,
P. Navaneethakrishnan,
S. Joseph Sekhar
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1057/1/012040
Subject(s) - wood gas generator , stalk , heat of combustion , renewable energy , biomass (ecology) , equivalence ratio , yield (engineering) , producer gas , pulp and paper industry , environmental science , biofuel , process engineering , waste management , materials science , chemistry , fuel gas , agronomy , engineering , horticulture , combustion , organic chemistry , biology , composite material , coal , combustor , electrical engineering
Many researchers focussed on the implementation of renewable energy sources with appropriate energy conversion technologies to replace conventional systems and overcome environmental issues. Among the various technologies used for producing thermal energy from biomasses without serious environmental impact, the thermochemical conversion process is considered as the viable one. Cassava is an important crop that is cultivated in the open region and also as an intercrop annually. A minor portion of the stalk is used as a source for the next cultivation and the major portion is dried and used for household cooking. Hence, in this paper, an experimental study is to be carried out on a cassava stalk and the gasification potential has been investigated. The composition, gas yield, higher heating value, temperature profile, and the efficiency of the gasifier has been studied. The result shows that the HHV and gas composition are 5.83 MJ/Nm 3 , and compositions of CO, H 2 , CH 4 , and CO 2 are 20-23%, 10-14%, 2.0-2.7%, and 15-18% respectively. All the observed results are better when the gasifier is operated with equivalence ratio (ER) 0.3. Moreover, the average producer gas yield, CO 2 /CO ratio, and conversion efficiency are observed as 1.7 Nm 3 /kg, 0.65, and 78.73% respectively.