Review and Design Overview of Plastic Waste-to-Pyrolysis Oil Conversion with Implications on the Energy Transition

Table 3

Summary of plastic pyrolysis studies [46].

Plastic type	Reactor	Process parameters				Yield
		Temp. (°C)	Pressure	Heat. rate (°C/min)	Time (min)	Oil	Gas	Solid	Others
PET	Fixed bed	500	—	10	—	23.1	76.9	0
PET	—	500	1 atm	6	—	38.9	52.1	8.98
HDPE	Horizontal bed	350	—	20	30	80.9	17.2	1.88
HDPE	Semibatch	400	1 atm	7	—	82	16	2	Stirring rate 200 rpm, FCC catalyst, 10 wt.%
HDPE	Batch	450	—	—	60	74.5	5.8	19.7
HDPE	Semibatch	450	1 atm	25	—	91.2	4.1	4.7	Stirring rate 50 rpm, FCC catalyst 20 wt.%, silica-alumina catalyst
HDPE	Fluidized bed	500	—	—	60	85	10	5
HDPE	Batch	550	—	5	—	84.7	16.3	0
HDPE	Fluidized bed	650	—	—	20-25	68.5	31.5	0
PVC	Fixed bed	500	—	10	—	12.3	87.7	0
PVC	Vacuum batch	520	2 kPa	10	—	12.79	0.34	28.13	HCL, 58.2 wt.%
LDPE	Pressurized batch	425	0.8-4.3 MPa	10	60	89.5	10	0.5
LDPE	Batch	430	—	3	—	75.6	82	75	Wax =8.7 wt.%
LDPE	—	500	1 atm	6	—	80.4	19.43	0.16
LDPE	Fixed bed	500	—	10	20	95	5	0
LDPE	Batch	550	—	15	—	93.1	14.6	0
LDPE	Fluidized bed	600	1 atm	—	—	51.0	24.2	0	Wax =24.8 wt.%
PP	Horizontal steel	300	—	20	30	69.82	28.84	1.34
PP	Batch	380	1 atm	3	—	80.1	6.6	1.33
PP	Semibatch	400	1 atm	7	—	85	13	2	Stirring rate 200 rpm, used FCC catalyst 10 wt.%
PP	Semibatch	450	1 atm	25	—	92.3	4.1	3.6	Stirring 50 rpm, used FCC catalyst 10 wt.%
PP	—	500	1 atm	6	—	82.12	17.76	0.12
PP	Batch	740	—	—	—	48.8	49.6	1.6
PS	Semibatch	400	1 atm	7	—	90	6	4	Stirring 20 rpm, used FCC catalyst,
PS	Pressurized batch	425	0.3–1.6 MPa	10	60	97	2.50	0.5
PS	Batch	500	—	—	150	96.7	3.27	0	Used Zn catalyst,
PS	Batch	581	—	—	—	89.5	9.9	0.6	64.9 wt.% of Liquid- compressed styrene