Heavy marine fuel oil composition

  • US 10,584,287 B2
  • Filed: 04/25/2019
  • Issued: 03/10/2020
  • Est. Priority Date: 02/12/2017
  • Status: Active Grant
First Claim
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1. A heavy marine fuel oil product that is ISO 8217:

  • 2017 compliant for a residual marine fuel, and is of merchantable quality as such, and has a sulfur content (ISO 14596 or ISO

         8754) less than 0.5 wt %, and is made from a heavy marine fuel oil that is ISO 8217;

    2017 compliant that has a sulfur content (ISO 14596 or ISO

         8754) greater than 0.5% wt., said product being produced by a process comprising;

    a) combining a predetermined quantity of the heavy marine fuel oil with a predetermined amount of an Activating Gas to form a Feedstock Mixture;

    b) bringing the Feedstock Mixture up to predetermined process conditions of temperature and pressure to form a heated and pressurized Feedstock Mixture;

    c) contacting said heated and pressurized Feedstock Mixture in at least one reactor vessel with one or more catalyst systems selected from the group consisting of;

    an ebulliated bed supported transition metal heterogeneous catalyst, a fixed bed supported transition metal heterogeneous catalyst, and a combination of ebulliated bed supported transition metal heterogeneous catalysts and fixed bed supported transition metal heterogeneous catalysts, wherein said contacting takes place under reactive process conditions to form a Process Mixture;

    d) removing the Process Mixture from being in contact with the one or more catalyst systems in the at least one reactor vessel and sending the Process Mixture via fluid communication from the at least one reactor vessel to at least one second vessel for separating the Liquid Components of the Process Mixture from the Gaseous Components of the Process Mixture;

    e) sending by fluid communication the Liquid Components of the Process Mixture from the at least one second vessel to at least one third vessel, and removing from the Liquid Components of the Process Mixture any residual gaseous components and any by-product hydrocarbon components to form said heavy marine fuel oil product; and

    ,f) discharging from said at least one third vessel said heavy marine fuel oil product.

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