Table 1. Yield, Proximate, and Ultimate Analyses of Hydrochar and Pyrochar.

		proximate analysis (wt %)			ultimate analysis (wt %)
char	yield (%)	Vd	FCd	Ad	Cdaf	Hdaf	Oa	Ndaf	Sdaf
HTC-180	72.7	30.17	63.12	6.71	72.46	13.61	12.76	0.97	0.80
HTC-240	65.3	23.21	71.94	3.51	80.25	11.20	8.12	0.32	0.11
HTC-300	59.6	16.34	80.85	2.81	84.78	9.34	5.81	0.04	0.03
TP-180	81.8	32.33	59.25	8.42	69.84	12.06	15.66	1.45	0.99
TP-240	77.7	26.45	63.21	10.34	73.18	9.67	14.74	1.44	0.97
TP-300	73.1	18.89	70.05	11.06	77.31	6.44	13.88	1.42	0.95

^aBy difference; d (dry basis): the coal in the anhydrous state was used as a benchmark; daf (dry ash-free basis): the remaining component after the removal of water and ash in coal was used as a benchmark.