In Situ Catalytic Pyrolysis of Low-Rank Coal for the Conversion of Heavy Oils into Light Oils

Table 2

Analysis of produced coal pyrolysis tars before and after reaction.

Catalyst	Elemental analysis of coal pyrolysis tar (wt.%)
	C	H	N	S		H/C; (ratio of moles)
Without	68.92	10.56	5.58	1.12	13.82	1.84
MoS2	72.0	11.40	5.13	0.95	10.52	1.90

difference.