Table 6: Experimental results for different heterogeneous catalysts.

Catalyst Gas yield (mmol/g feedstock)CGE (%)Gas composition (%)
H2COCH4CO2H2COCH4CO2

Noncatalytic2.862.191.716.4823.1621.60 16.54 12.92 48.94
R-Ni, RH31109.571.6312.1116.1866.7323.924.0730.2640.43
R-Ni, RH41108.341.0410.6115.1059.6623.552.9429.9542.64
R-Ni, RH511010.781.389.4113.0053.0731.18 3.99 27.22 37.60
Olivine4.180.881.947.6123.2528.61 6.02 13.28 52.09
Dolomite3.941.331.963.6215.4236.31 12.26 18.06 33.36

Catalyst, 1 g; feedstock, 1 g peanut shell + 0.3 g CMC; water density, 0.071 g/cm3; reaction time, 20 min; pressure, 22~24.0 MPa.