Low Temperature Gasification of Coconut Shell with CO2 and KOH: Effects of Temperature, Chemical Loading, and Introduced Carbonization Step on the Properties of Syngas and Porous Carbon Product
Table 1
Experimental conditions for studying low temperature catalytic gasification of coconut shell.
Sample code
Step I (carbonization)
Step II (gasification)
Temp. (°C)
HT (°C/min)
Time (min)
CR (g/g)
Temp. (°C)
HT (°C/min)
Time (min)
CO2 (%)
G01
—
—
—
0
600
10
180
50
G02
—
—
—
0.5
600
10
180
50
G03
—
—
—
0.75
600
10
180
50
G04
—
—
—
1.0
600
10
180
50
G05
—
—
—
1.5
600
10
180
50
G06
—
—
—
2.0
600
10
180
50
G07
—
—
—
0.75
300
10
180
50
G08
—
—
—
0.75
400
10
180
50
G09
—
—
—
0.75
500
10
180
50
G10
—
—
—
0.75
600
10
180
0
G11
450
10
60
2.0
600
10
180
50
G12
450
10
60
2.0
600
10
60
50
G13
450
10
60
2.0
600
10
30
50
G14
450
10
60
3.0
600
10
60
50
G15
450
10
60
4.0
600
10
60
50
G16
450
10
60
4.0
700
10
60
50
In the atmosphere of inert argon gas. HT: heating rate. CR: chemical-to-biomass weight ratio. Time: holding time.
