. 2021 Feb 9;35(5):3529–3557. doi: 10.1021/acs.energyfuels.0c03918

Table 2. Reviews about the Thermochemical Routes for the Valorization of EOL Tires.

reference	main items
Thermochemical Routes
Rowhani and Rainey¹⁴	management technologies and conditions
	pyrolysis technologies
	effects of the reactor type, operating conditions, and catalyst type on the product distribution

Thermal Pyrolysis
Antoniou et al.¹⁵	policy and legislative issues in the EU
	reactor configurations (bench, pilot, and industrial scales)
	composition of obtained products
	economical, energetic, and environmental analysis

Martínez et al.¹⁶	investigations and patents
	advantages of pyrolysis
	effects of the reactor type and operating conditions on the product composition and distribution

Williams¹⁷	reactors and commercial and semicommercial plants
	effects of the operating conditions on the composition of the liquid product
	properties as a fuel of the liquid product
	composition of the gas and solid products

Sathiskumar and Karthikeyan¹⁸	valorization routes of the liquid product: as a fuel or as a source of BTX and limonene
Sathiskumar and Karthikeyan¹⁸	valorization of the gas and solid products (pyro-gas and pyro-char)

Czajczyńska et al.¹⁹	effects of the operating conditions on the composition of obtained products
Czajczyńska et al.¹⁹	environmental impact of the composition (nitrogen, sulfur, and metals)

Uses of the Liquid Product
Januszewicz et al.²⁰	analysis of different reactor types and of the operating conditions for maximizing the yield of limonene

Zhang et al.²¹	analysis of the composition and properties of the liquid product
	separation of the limonene
	possible use of the liquid product as a fuel
	synthesis of carbon material and bitumen

Uses of the Solid Product
Xu et al.²²	rubber manufacture, as activated carbon and as biochar for soil improvement

Okoye et al.²³	carbon black production mechanisms
Okoye et al.²³	perspectives of using pyrolysis liquid product for carbon black manufacturing

Catalytic Pyrolysis
Arabiourrutia et al.²⁴	different pyrolysis technologies
	reaction mechanisms
	effects of the reactor type, operating conditions, and properties of the catalyst on the product distribution and composition