Catalytic process of simultaneous pyrolysis of mixed plastics and dechlorination of the pyrolysis oil
US10717936B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 17, 2017 |
| Grant date | Jul 21, 2020 |
| Priority date | — |
| Expiry date | Jul 17, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/62
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for processing mixed plastics comprising simultaneous pyrolysis and dechlorination of the mixed plastics, the process comprising contacting the mixed plastics with a zeolitic catalyst in a pyrolysis unit to produce a hydrocarbon product comprising a gas phase and a liquid phase; and separating the hydrocarbon product into a hydrocarbon gas stream and a hydrocarbon liquid stream, wherein the hydrocarbon gas stream comprises at least a portion of the gas phase of the hydrocarbon product, wherein the hydrocarbon liquid stream comprises at least a portion of the liquid phase of the hydrocarbon product, wherein the hydrocarbon liquid stream comprises one or more chloride compounds in an amount of less than about 100 ppmw chloride, based on the total weight of the hydrocarbon liquid stream, and wherein the hydrocarbon liquid stream is characterized by a viscosity of less than about 400 cP at a temperature of 300° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.