Multi-stage process and device for treatment heavy marine fuel oil and resultant composition including ultrasound promoted desulfurization
US11203722B2 · kind B2 · utility
29Cited by
222References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2019 |
| Grant date | Dec 21, 2021 |
| Priority date | — |
| Expiry date | Dec 18, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L2270/026
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A multi-stage process for reducing the environmental contaminants in an ISO8217 compliant Feedstock Heavy Marine Fuel Oil involving a core desulfurizing process and a ultrasound treatment process as either a pre-treating step or post-treating step to the core process. The Product Heavy Marine Fuel Oil complies with ISO 8217 for residual marine fuel oils and has a sulfur level has a maximum sulfur content (ISO 14596 or ISO 8754) between the range of 0.05 mass % to 1.0 mass. A process plant for conducting the process is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.