	US 12,234,413 B2
	Desulfurization process of waste tire pyrolysis oil to produce fuel
Henrik Selstam, Mölnlycke (SE); Jorge Moreno Trejo, Fornebu (NO); and John William Hemmings, Fripp Island, SC (US)
Assigned to Wastefront AS, Oslo (NO)
Appl. No. 18/260,230
Filed by Wastefront AS, Oslo (NO)
PCT Filed Dec. 21, 2021, PCT No. PCT/US2021/064579 § 371(c)(1), (2) Date Jun. 30, 2023, PCT Pub. No. WO2022/146778, PCT Pub. Date Jul. 7, 2022.
Claims priority of provisional application 63/131,997, filed on Dec. 30, 2020.
Prior Publication US 2024/0076556 A1, Mar. 7, 2024
Int. Cl. C10G 1/10 (2006.01); C10G 1/00 (2006.01); C10G 7/00 (2006.01); C10G 45/02 (2006.01); C10K 1/10 (2006.01)

CPC C10G 1/10 (2013.01) [C10G 1/002 (2013.01); C10G 7/003 (2013.01); C10G 45/02 (2013.01); C10K 1/103 (2013.01)]

6 Claims

1. A method of producing desulfurized fuel produced from pyrolysis of waste tires comprising:

pyrolyzing waste tires to obtain a vapor phase and a solid phase;

a) condensing the vapor phase in a condenser to obtain the tire pyrolysis oil and a remaining vapor phase;

b) scrubbing the remaining vapor phase with water or an alkali to form a scrubbed fuel gas;

c) scrubbing the remaining vapor phase with water or an alkali to form a scrubbed fuel gas;

d) desulfurizing the tire pyrolysis oil by hydroprocessing the tire pyrolysis oil to desulfurize the tire pyrolysis oil and obtain a hydro-processed pyrolysis oil; and

e) distilling the hydro-processed oil into at least two fuel products selected from the group consisting of kerosene, naphtha, fuel oil, fuel and diesel;

f) recovering the fuel gas and combusting the fuel gas in a generator as a fuel source to generate electricity,

g) utilizing the electricity supplied by the generator to generate hydrogen by electrolysis,

h) utilizing the hydrogen to perform hydroprocessing of further tire pyrolysis oil; and

i) removing the solid phase for recovery of carbon black.