Table 5.

Brief introduction of catalytic cracking of polyolefin pyrolysis oil.

Feeds	Conditions	Outputs	References
HEPE wax	Catalyst: HZSM-5 zeolite Temperature: 550oC	C2–C3 olefins:62.9 wt.%, ethylene: 10.6 wt.%, propylene: 35.6 wt.%, butene: 16.7 wt.%	[95]
Pyrolysis oil of polyolefin wastes	Catalyst: FCC equilibrium catalyst Temperature: 520oC	Ethylene:3.9 wt.%, propylene: 15.5 wt.%, gasoline: 30.5 wt.%	[96]
HEPE wax	Catalyst: FCC equilibrium catalyst Temperature: 500–560oC	Naphtha:23.8–31.1 wt.%, LPG fractions: 13.7–18.1 wt.%	[97]
HDPE waxes (20 wt.%) and VGO	Catalyst: FCC equilibrium catalyst Temperature: 500–560oC Catalyst to oil mass ratio: 3–7 gcat/gfeed−1 Contact time: 6 s	Ethylene: 0.8–4.5 wt.%, propylene: 3.1–6.7 wt.%	[98]
PE, PP waxes and HVGO*	Catalyst: FCC equilibrium catalyst Temperature: 525oC Catalyst to oil mass ratio: 12 gcat/gfeed−1 Contact time: 6 s	For PE wax, ethylene: 1.7–2.0 wt.%, propylene: 7.1–10.2 wt.%, liquid org. phase: 48.9–53.9 wt.%. For PE wax and HVGO, ethylene: 1.8–2.1 wt.%, propylene: 7.1–10.8 wt.%, liquid org. phase: 49.9–52.9 wt.% For PP wax, ethylene: 1.2–2.1 wt.%, propylene:4.3–9.5 wt.%, liquid org. phase: 50.7–67.6 wt.% For PP wax and HVGO, ethylene: 1.7–1.9 wt.%, propylene: 5.4–9.1 wt.%, liquid org. phase: 52.9–56.9 wt.%	[99]

*HVGO is the abbreviation of vacuum gas oil.