MULTI-STAGE PROCESS AND DEVICE FOR REDUCING ENVIRONMENTAL CONTAMINANTS IN HEAVY MARINE FUEL OIL

    公开(公告)号:US20220348831A1

    公开(公告)日:2022-11-03

    申请号:US17856835

    申请日:2022-07-01

    Abstract: A multi-stage process for reducing the Environmental Contaminants in a Feedstock Heavy Marine Fuel Oil that is compliant with ISO 8217: 2017 Table 2 as a residual marine fuel except for the concentration of Environmental Contaminants, the process involving a core hydrotreating process and either a pre-treating step or post-treating step to the core process that is selected from a) a sulfur absorption process unit; b) an oxidative desulfurizing process unit; and c) a microwave treatment process unit. The Product Heavy Marine Fuel Oil is compliant with ISO 8217 Table 2 as residual marine fuel and preferably 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. A commercial scale process plant for conducting the process is disclosed.

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