Patent ID: 11959025
Assignee: CHEVRON U.S.A. INC.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  B  F  Y | IPC C

Claim 20:
21. A process for converting waste plastic to chemicals useful in preparing polypropylene and lubricating oil comprising:
(a) selecting waste plastics containing polyethylene and/or polypropylene;
(b) pyrolyzing the waste plastic and recovering a naphtha/diesel fraction and a heavy fraction;
(c) passing the naphtha/diesel fraction to a refinery FCC unit along with virgin crude oil with volume flow of the naphtha/diesel fraction comprising about 50 volume % or less of total hydrocarbon flow to the FCC unit; and
(d) passing the heavy fraction to an isomerization dewaxing unit.