TY  - JOUR
Y1  - 2019///
UR  - https://www.scopus.com/inward/record.uri?eid=2-s2.0-85064014316&doi=10.1016%2fj.energy.2019.03.138&partnerID=40&md5=af463ed9f648adceb4c1b7f38fee9793
JF  - Energy
A1  - Yahaya, A.Z.
A1  - Somalu, M.R.
A1  - Muchtar, A.
A1  - Sulaiman, S.A.
A1  - Wan Daud, W.R.
VL  - 175
N2  - Gasification of coconut shell (CS) and palm kernel shell (PKS) is conducted in a batch type downdraft fixed-bed reactor to evaluate the effect of particle size (1â??3 mm, 4â??7 mm, and 8â??11 mm) and temperature (700, 800, and 900 °C) on gas composition and gasification performance. The response surface methodology integrated variance-optimal design is used to identify the optimum condition for gasification. Gas composition, which is measured using the biomass particle size of 1â??11 mm at 700â??900 °C, are 8.20â??14.6 vol (H2), 13.0â??17.4 vol (CO), 14.7â??16.7 vol (CO2), and 2.82â??4.23 vol (CH4) for CS and 7.01â??13.3 vol (H2), 13.3â??17.8 vol (CO), 14.9â??17.1 vol (CO2), and 2.39â??3.90 vol (CH4) for PKS. At similar conditions, the syngas higher heating value, dry gas yield, carbon conversion efficiency, and cold gas efficiency are 4.01â??5.39 MJ/Nm3, 1.50â??1.95 Nm3/kg, 52.2â??75.9, and 30.9â??56.4 for CS, respectively, and 3.82â??5.09 MJ/Nm3, 1.48â??1.92 Nm3/kg, 59.0â??81.5, and 33.0â??57.1 for PKS, respectively. Results reveal that temperature has a greater role than particle size in influencing the gasification reaction rate. © 2019 Elsevier Ltd
KW  - Calorific value; Carbon dioxide; Chemical reactors; Efficiency; Gasification; Shells (structures)
KW  -  Biomass Particle; Coconut shells; Downdraft gasifier; Gasification temperatures; Palm kernel shells
KW  -  Particle size
KW  -  biomass; bioreactor; carbon dioxide; carbon monoxide; heating; methodology; paralytic shellfish poisoning; performance assessment; reaction rate; response surface methodology; shell; temperature effect
ID  - scholars11585
SN  - 03605442
PB  - Elsevier Ltd
EP  - 940
AV  - none
N1  - cited By 43
SP  - 931
TI  - Effect of particle size and temperature on gasification performance of coconut and palm kernel shells in downdraft fixed-bed reactor
ER  -