Novel Ni-Co-Mo-K Catalysts Supported on Multiwalled Carbon Nanotubes for Higher Alcohols Synthesis

Table 3

Catalytic performance of sulfided MWCNT-supported catalysts (wt. of the catalyst = 2 gm, 𝑃=9.0 MPa (1300 psig), 𝑇=330°C, GHSV = 3.8 m³(STP)/hr/kg of catalyst, H₂/CO molar ratio = 1.25).

Catalyst		Product STY; (gm/(gm of cat.)/h)			Alcohol selectivity; (wt %)
	CO conversion; (%)	Total; alcohols	Total; Hydrocarbons	CO2 produced; (mol. %)	Methanol	Ethanol	Higher; alcohols	Total; alcohols
Co-Mo-K/MWCNTs	43.3	0.239	0.352	36.6	5.3	16.8	26.6	31.9
1.5 wt% Ni-Co-Mo-K/MWCNTs	47.5	0.262	0.361	37.1	7.1	18.9	29.4	36.5
3 wt% Ni-Co-Mo-K/MWCNTs	48.8	0.284	0.375	38.2	7.9	20.2	32.8	40.7
4.5 wt% Ni-Co-Mo-K/MWCNTs	52.9	0.275	0.388	40.1	7.5	19.5	32.1	39.6
6 wt% Ni-Co-Mo-K/MWCNTs	56.2	0.269	0.403	41.5	6.8	18.1	29.9	36.7