Multi-stage device for reducing environmental contaminates in heavy marine fuel oil
US10961468B2 · kind B2 · utility
37Cited by
1References
7Claims
0Family size
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Key dates
| Filing date | Nov 12, 2019 |
| Grant date | Mar 30, 2021 |
| Priority date | — |
| Expiry date | Nov 12, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L2270/026
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A multi-stage device for reducing the environmental contaminants in an ISO8217 compliant Feedstock Heavy Marine Fuel Oil involving a core desulfurizing process and an ionic liquid extraction desulfurizing process as either a pre-treating step or post-treating step to the core process. The Product Heavy Marine Fuel Oil is compliant 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% wt. to 0.5% wt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.