Utilization of Synthesized Zeolite for Improved Properties of Pyrolytic Oil Derived from Used Tire

Table 6

¹H and ¹³C NMR results for various catalysts-to-used tire pyrolytic oil obtained at 600°C.

Types of hydrogen	Chemical shift (ppm)	Percent of total hydrogen (mol %)
		Noncatalyzed pyrolytic oil	CPO (1 wt.% catalyst)	CPO (5 wt.% catalyst)	CPO (7.5 wt.% catalyst)	CPO (10 wt.% catalyst)
Aromatic	9.0–6.5	7.0	7.26	6.81	7.12	6.60
Phenolic (OH) or olefinic portion	6.5–4.5	5.60	6.80	6.98	6.27	6.67
Aliphatic adjacent to oxygen/hydroxyl group	4.5–3.3	0.66	0.40	1.00	0.93	0.99
Aliphatic adjacent to aromatic/alkene group	3.3–1.8	21.75	23.02	21.58	21.23	21.60
Other aliphatics (bonded to aliphatic only)	1.8–0.4	64.94	64.53	63.99	64.45	64.13
Types of carbon
Aliphatics	75.0–5.0	67.59	69.04	67.75	68.41	68.80
Aromatics	185.0–100	32.41	30.96	32.25	31.59	31.20