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

Table 5

FTIR functional groups and the indicated compounds of this study pyrolytic oil with other pyrolysis liquids.

Wavelength number (cm^−1)				Functional groups	Class of compounds
This study	[36]	[10]	[47]
—	—	3600–3250	—	O-H stretching	Alcohols, phenols, or carboxylic acids
—	—	3250–3100	—	C-H stretching	Aromatic compounds
—	3100–3005	—	—	C=C stretching	Alkenes
3000–2800	3000–2800	3000–2800	3000–2800	C-H stretching	Alkanes
1750–1700	—	—	1750–1650	C=O	Aldehydes or ketones
1650–1635	1680–1635	1670–1580	1675–1575	C=C stretching	Alkenes
—	1600–1530	1600–1500	1625–1575	Carbon-carbon stretching	Aromatic compounds
1451–1375	1520–1115	1480–1360	1475–1350	C-H bending	Alkanes
1155–1016	—	1150–1000	—	C-H in-plane bending	Aromatic compounds
965–795	1030–835	960–870	950–875	C=C stretching	Alkenes
630–609	830–655	900–675	900–675	C-H out-of-plane bending	Aromatic compounds