Pyrolysis
is perceived as the missing link between the
management
of end-of-life tires (ELTs) and the tire industry because it strikes
directly in the transition from a linear to a circular economy model
and toward the defossilization of diverse economic sectors. Tire pyrolysis
oil (TPO) is one of the most valuable and interesting fractions derived
from the pyrolysis of ELTs. It contains valuable chemicals including,
among others, benzene, toluene, ethylbenzene, and xylene, as well
as limonene, which are some of the building blocks of the petrochemical
industry. Within the circular economy framework, traditional practices
such as the direct use of TPO in combustion systems seem to exhibit
a low circularity degree. Instead, the production of secondary raw
materials that can be reused for multiple purposes associated with
the petrochemical industry is getting special attention. Based on
the above, this work aims at reviewing different pathways currently
explored in the scientific community to produce various value-added
products from TPO. Due to the similarity of its properties with those
of petroleum streams, the coprocessing of TPO using existing units
in conventional refineries exhibits a massive potential. In this manner,
the properties of the derived products can be fine-tuned according
to the hydrocarbons and petrochemical market requirements. As such,
discussed are the advantages, recent progress, and challenges in the
implementation of conventional refinery practices such as distillation,
fluid catalytic cracking (FCC), hydroprocessing, and steam cracking
for TPO post-treatment. These processes are seen as the path to integrate
TPO in the current hydrocarbon/petrochemical market.