Studies on Pyrolysis Kinetic of Newspaper Wastes in a Packed Bed Reactor: Experiments, Modeling, and Product Characterization

Table 5

Main atomic groups and structure of pyro-oil.

Wavenumber (cm^−1)	Infrared spectrum	Atomic groups and structures
3200–3700	O–H stretching	Hydroxyl
2800–3000	C–H stretching	Aliphatic structures
1650–1770	C=O stretching	Carbonyl
1610–1680	C=C stretching	Oliefinic structures
1450–1600	C=C stretching	Aromatic structures
1420–1480	C–H bending	Aliphatic structures
1360–1430	O–H and C–H bending	Hydroxyl, acid, phenol, olefins, and methyl
1200–1300	C–O stretching	Unsaturated ethers
1000–1200	C–H out-of-plane blending	Aromatic structures