Effect of Metal Chlorides on the Pyrolysis of Wheat Straw

Table 2

Analysis of the porosity of the initial wheat straw and pyrolysis solid residues.

Sample	Wheat straw		Carbonaceous residue of wheat straw pyrolysis		Carbonaceous residue of wheat straw pyrolysis + CuCl2 10 wt. %
Pore diameter range (nm)	Pore volume (mL/g)	(%)	Pore volume (mL/g)	(%)	Pore volume (mL/g)	(%)
Under 6	0.00648	28.94	0.00642	27.41	0.01639	27.80
6–8	0.00311	13.90	0.00305	13.02	0.00844	14.32
8–10	0.00164	7.31	0.00167	7.14	0.00449	7.61
10–12	0.00176	7.87	0.00176	7.51	0.00481	8.16
12–16	0.00172	7.66	0.00188	8.05	0.00541	9.18
16–20	0.00163	7.29	0.00173	7.38	0.00479	8.12
20–80	0.00471	21.05	0.00544	23.23	0.01116	18.93
Over 80	0.00134	5.98	0.00147	6.26	0.00346	5.88
Total	0.02240	100.0	0.02341	100.00	0.05896	100.00
t-Plot surface area (m^2/g)	20.6 ± 0.1		24.0 ± 0.1		63.5 ± 0.1