Summary of the catalysts employed in CPO conversion.

Catalyst	Feedstock	Condition	Conversion (%)	Ref.
NiMoW-ZSM-5/MCM-41	CPO	400 °C for 2 h	62.60–71.40	81
NiW-HZSM-5	CPO	400 °C for 2 h	48.18	16
CoMo/Al2O3	CPO	350 °C for 1 h, 500 psi	64.21	82
Bentonite-molybdenum nitride	Palm oil	458.79 °C, 0.12 h of contact time	78.33	32
Bentonite-zirconium phosphide	CPO	450 °C, 0.12 h of contact time	86.04	This work
Bentonite-zirconium nitride	CPO	450 °C, 0.12 h of contact time	87.93	This work