Table 9.

Feasibility matrix of plastic waste pyrolysis oils as steam cracking feedstocks.

Category	Recommended analytical method	Critical contaminant	Minimum dilution factor	Further treatment necessary?
Hydrocarbon composition	GC × GC-FID/ToF-MS	Olefins	15–20
		Aromatics	∼2	×
Heteroatoms	GC × GC-NCD	Nitrogen	12–16
	GC × GC-SCD	Sulfur	–	×
	GC × GC-AED	Oxygen	7–13
		Chlorine	>12–485
Metals	ICP-MS	Calcium	>34
		Iron	>7000
		Sodium	>7	×
		Lead	1->350
		Silicon	>4	×