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 4

Yields and porous properties of the activated carbons from various gasification conditions (see Table 1 for details of sample code).

Sample; ID	Yield (%)	Surface area (m^2/g)	Micropore volume (cm^3/g)	Meso- and macropore volume (cm^3/g)	Total pore volume (cm^3/g)	Micropore volume (%)	Meso- and macropore volume (%)	Average pore diameter (nm)
G01	28.13	119	0.0633	0.0064	0.0697	90.82	9.18	2.34
G02	25.51	569	0.2544	0.0082	0.2626	96.88	3.12	1.85
G03	25.09	640	0.2950	0.0094	0.3044	96.91	3.09	2.75
G04	23.02	619	0.2839	0.0123	0.2962	95.85	4.15	1.91
G05	18.59	670	0.3267	0.0115	0.3382	96.60	3.40	2.02
G06	14.18	1000	0.4613	0.0351	0.4964	92.93	7.07	1.98
G07	31.10					—	—	—
G08	33.86	63.0	0.0519	0.0109	0.0628	82.64	17.36	3.37
G09	32.46	88.7	0.0493	0.0087	0.0580	85.00	15.00	3.25
G10	15.38	591	0.3191	0.0524	0.3715	85.90	14.10	3.12
G11	23.89	921	0.4246	0.0057	0.4303	98.68	1.32	1.87
G12	24.09	1030	0.4626	0.0105	0.4731	97.78	2.22	1.84
G13	24.97	1330	0.6014	0.0169	0.6083	98.86	1.14	1.83
G14	20.96	1710	0.7929	0.0123	0.8052	98.47	1.53	1.88
G15	20.12	2650	1.3128	0.0452	1.3580	96.67	3.33	2.05
G16	18.85	2760	1.4528	0.0321	1.4849	97.84	2.16	2.15

Extremely low.