Reduction of Polymer Waste Pyrolysis Fractions over Pt/Al₂O₃ with Methanol Decomposition Hydrogen to Obtain Fuel-Grade Hydrocarbons

Table 2

Results of the reduction of fraction F1 over 5% Pt/𝛾-Al₂O₃ with gaseous hydrogen and hydrogen from methanol decomposition.

(a)

Fraction composition		Before hydrogenation reactions
		Contents [%]	Total [%]
Saturated hydrocarbons	C8–C19	31.2	43.4
	C20–C25	12.2
Unsaturated hydrocarbons	C8–C19	56.6	56.6
	C20–C25	0.0

(b)

Temp.	Hydrogenation with hydrogen		Hydrogenation with hydrogen from methanol decomposition
	Contents [%]	Total [%]	Contents [%]	Total [%]
100	35.2	60.6	38.7	58.3
	25.4		19.6
	39.4	39.4	34.5	41.7
	0.0		7.2
200	53.4	74.1	48.6	78.4
	20.7		29.8
	25.9	25.9	18.1	21.6
	0.0		3.5
300	78.8	94.1	59.7	95.7
	15.3		36.0
	5.9	5.9	4.3	4.3
	0.0		0.0
400	37.2	80.5	56.4	91.2
	43.3		34.8
	12.8	12.8	5.1	5.1
	0.0		0.0