Method of producing selective naphtha oil through secondary pyrolysis of waste oil
US11788015B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Jun 2, 2021 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Jun 2, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/1003
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided is a method of producing naphtha from mixed plastic, the method including the following steps: (a) subjecting the mixed plastic to thermal pyrolysis; (b) separating a product produced in the thermal pyrolysis into first oil having a boiling point of lower than 150° C. and second oil having a boiling point higher than that of the first oil; and (c) subjecting the second oil to catalytic pyrolysis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.