C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/2
C10G 1/10 (2006.01)
Patent
CA 1271151
"PRODUCTION OF HYDROCARBON OILS BY VACUUM PYROLYSIS OF SCRAP TIRES" Abstract of the Disclosure A process for the treatment of used rubber tires by vacuum pyrolysis in a reactor to produce liquid and gaseous hydrocarbons and a solid carbona- ceous material is disclosed. According to the inven- tion, the pyrolysis of the tires is carried out at a temperature in the range of about 360°C to about 415°C, under a sub-atmospheric pressure of less than about 35 mm Hg and such that gases and vapors produced in the reactor have a residence time of the order of a few seconds. The process according to the invention enables one to increase the yield of the liquid hydro- carbons and lower the yields of the gaseous hydrocarbons and solid carbonaceous material, and to thereby produce hydrocarbon oils in substantially maximum yield. These hydrocarbon oils have a high calorific value and are thus suitable for use as heating fuel.
509162
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Universite Laval
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