Delayed coke drum quench systems and methods having reduced atmospheric emissions
US10479941B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Oct 17, 2018 |
| Grant date | Nov 19, 2019 |
| Priority date | — |
| Expiry date | Oct 17, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G9/005
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Systems and methods for reducing atmospheric emission of hydrocarbon vapors by flashing off hydrocarbon vapors in an overflow drum where the pressure is ultimately reduced to 0 psig and then flashing off any remaining hydrocarbon vapors in an overflow tank wherein the pressure in the overflow tank is reduced to 0 psig by an overflow ejector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.