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Table 2 The experimental results of the gasification of lignite aqueous suspension under the supercritical conditions

From: Supercritical Water as Nanomedium for Gasification of Lignite-Water Suspension

Catalyst Т, °С Initial rate of gas formation, mg/h
СО2 СН4 Н2
Without catalyst 270 37.34 0.338 0.0376
290 35.73 0.575 0.044
330 76.47 2.7 0.214
450 66.1 9.89 4.3
NiO-MoO3-Al2O3 (AMN 10 % to coal) 330 78.06 2.856 0.38
390 30.57 6.695 1.6
450 15.416 18.843 3.1
NaOH (5 % to coal) 330 16.19 0.828 0.172
390 56.44 3.017 2.17
450 68.07 26.663 4.905
Ca(OH)2 (10 % to coal) 330 41.986 2.742 1.006
390 66.873 8.975 2.153
450 201.56 95.727 20.442