IP Library › Granted Patent US 12,404,462
Granted Patent B2
US 12,404,462 · App. 17/331,396 · Granted Sep 2, 2025

Multi-stage process and device utilizing structured catalyst beds and reactive distillation for the production of a low sulfur heavy marine fuel oil

Inventors: Michael Joseph Moore (Houston, TX); Bertrand Ray Klussmann (Houston, TX); Carter James White (Houston, TX)
Assignee: Magēmā Technology LLC
C10G45/04B01D3/343B01D53/1481B01J8/008B01J8/0278B01J8/0292B01J8/0457B01J8/0492B01J21/04B01J23/24B01J23/40B01J23/74C10G7/00C10G25/003C10G25/02C10G45/02C10G45/06C10G45/08C10G45/22C10G47/02C10G65/04C10G65/16C10G67/02C10G67/06C10G69/02C10L1/04C10L1/12C10L1/14C10L1/1608B01J2208/00557B01J2208/02B01J2208/025C10G2300/1037C10G2300/1044C10G2300/1048C10G2300/1059C10G2300/107C10G2300/1077C10G2300/201C10G2300/202C10G2300/205C10G2300/206C10G2300/207C10G2300/208C10G2300/30C10G2300/302C10G2300/308C10G2300/4012C10G2300/4018C10G2300/4062C10G2300/70C10G2300/80C10G2400/04C10G2400/06C10L2200/0263C10L2200/0438C10L2270/02C10L2270/026
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Quick Facts
Patent No.
US 12,404,462
App. No.
17/331,396
Granted
Sep 2, 2025
Kind
B2
Abstract

A multi-stage process for the production of an ISO8217 compliant Product Heavy Marine Fuel Oil from ISO 8217 compliant Feedstock Heavy Marine Fuel Oil involving a core process under reactive conditions in a Reaction System composed of one or more reaction vessels, wherein one or more of the reaction vessels contains one or more catalysts in the form of a structured catalyst bed and is operated under reactive distillation conditions. The Product Heavy Marine Fuel Oil 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 for conducting the process is disclosed.

Claims (13)

1. A process for the production of a Product Heavy Marine Fuel Oil, the process comprising: mixing a quantity of Feedstock Heavy Marine Fuel Oil, wherein Feedstock Heavy Marine Fuel Oil complies with Table 2 of ISO 8217 (2017) as a residual marine fuel and has a sulfur content (ISO 14596 or ISO 8754) greater than 0.5% wt., with a quantity of Activating Gas mixture to give a Feedstock Mixture; contacting the Feedstock Mixture with one or more hydrotreating catalysts under reactive distillation conditions in a reaction vessel, wherein the reactive distillation conditions promote the formation of a Process Mixture from said Feedstock Mixture, wherein said one or more catalysts are in the form of a structured catalyst bed, and wherein a majority by weight of the Process Mixture is comprised of a Product Heavy Marine Fuel Oil component and a minority by weight of the Process Mixture is comprised of bulk gaseous component and by-product hydrocarbon component; and wherein the reactive distillation conditions promote separating the Product Heavy Marine Fuel Oil portion of the Process Mixture from the bulk gaseous components of the Process Mixture; and the by-product hydrocarbon components from the Product Heavy Marine Fuel Oil; and discharging the Product Heavy Marine Fuel Oil from the bottom of the reaction vessel.

2. The process of claim 1 , wherein the structured catalyst bed comprises a plurality of catalyst retention structures, each catalyst retention structure composed of a pair of fluid permeable corrugated metal sheets, wherein the pair of the fluid permeable corrugated metal sheets are aligned such that the corrugations are out of phase and thereby defining a catalyst rich space and a catalyst lean space within the structured catalyst bed, wherein within the catalyst rich space there is one or more catalyst materials and optionally inert packing materials.

3. The process of claim 1 , wherein the structured catalyst bed contains one or more catalysts to promote the transformation of the Feedstock Mixture to a Process Mixture wherein the structured catalyst bed comprises a plurality of catalyst retention structures, each catalyst retention structure composed of a flat fluid permeable metal sheet and a corrugated fluid permeable metal, wherein the flat fluid permeable corrugated metal and the corrugated fluid permeable sheet are aligned to be co-planer and thereby defining a catalyst rich space and a catalyst lean space within the structured catalyst bed, wherein within the catalyst rich space there is one or more catalyst materials and optionally inert packing materials and the catalyst lean space is empty or optionally contains inert packing materials.

4. The process of claim 1 wherein the Product Heavy Marine Fuel Oil complies with Table 2 of ISO 8217 (2017) residual marine fuel and has a sulfur content (ISO 14596 or ISO 8754) between the range of 0.50 mass % to 0.05 mass %.

5. The process of claim 4 , wherein said Feedstock Heavy Marine Fuel Oil has: a combination of kinematic viscosity at 50° C. (ISO 3104) and a density at 15° C. (ISO 3675) to give a CCAI in the range of 780 to 870; a flash point (ISO 2719) no lower than 60° C.; a total sediment—aged (ISO 10307-2) of less than 0.10 mass %; a carbon residue—micro method (ISO 10370) less than 20 mass %; and an aluminum plus silicon (ISO 10478) content less than 60 mg/kg.

6. The process of claim 4 , wherein said Product Heavy Marine Fuel Oil has: a kinematic viscosity at 50° C. (ISO 3104); a density at 15° C. (ISO 3675) to give a CCAI in the range of 780 to 870; a flash point (ISO 2719) no lower than 60° C.; a total sediment—aged (ISO 10307-2) of less than 0.10 mass %; a carbon residue—micro method (ISO 10370) less than 20 mass %; and an aluminum plus silicon (ISO 10478) content less than 60 mg/kg.

7. The process of claim 1 wherein the catalyst materials comprises: a porous inorganic oxide catalyst carrier and a transition metal catalyst, wherein the porous inorganic oxide catalyst carrier is at least one carrier selected from the group consisting of alumina, alumina/boria carrier, a carrier containing metal-containing aluminosilicate, alumina/phosphorus carrier, alumina/alkaline earth metal compound carrier, alumina/titania carrier and alumina/zirconia carrier, and wherein the transition metal catalyst is one or more metals selected from the group consisting of group 6, 8, 9 and 10 of the Periodic Table; and wherein the Activating Gas is selected from mixtures of nitrogen, hydrogen, carbon dioxide, gaseous water, and methane, such that Activating Gas has an ideal gas partial pressure of hydrogen (p H2 ) greater than 80% of the total pressure of the Activating Gas mixture (P).

8. The process of claim 7 , wherein the reactive distillation conditions comprise: the ratio of the quantity of the Activating Gas to the quantity of Feedstock Heavy Marine Fuel Oil is in the range of 250 scf gas/bbl of Feedstock Heavy Marine Fuel Oil to 10,000 scf gas/bbl of Feedstock Heavy Marine Fuel Oil; a the total pressure is between of 250 psig and 3000 psig; and, the indicated temperature is between of 500° F. to 900° F., and, wherein the liquid hourly space velocity is between 0.05 oil/hour/m 3 catalyst and 1.0 oil/hour/m 3 catalyst.

9. The process of claim 7 , wherein the structured catalyst bed comprises a plurality of catalyst retention structures, each catalyst retention structure composed of a pair of fluid permeable corrugated metal sheets, wherein the pair of the fluid permeable corrugated metal sheets are aligned such that the corrugations are out of phase and thereby defining a catalyst rich space and a catalyst lean space within the structured catalyst bed, wherein within the catalyst rich space there is one or more catalyst materials and optionally inert packing materials.

10. The process of claim 7 , wherein the structured catalyst bed comprises a plurality of catalyst retention structures, each catalyst retention structure composed of a flat fluid permeable metal sheet and a corrugated fluid permeable metal, wherein the flat fluid permeable corrugated metal and the corrugated fluid permeable sheet are aligned to be co-planer and thereby defining a catalyst rich space and a catalyst lean space within the structured catalyst bed, wherein within the catalyst rich space there is one or more catalyst materials and optionally inert packing materials and the catalyst lean space is empty or optionally contains inert packing materials.

11. The process of claim 7 wherein the Product Heavy Marine Fuel Oil complies with Table 2 of ISO 8217 (2017) residual marine fuel and has a sulfur content (ISO 14596 or ISO 8754) between the range of 0.50 mass % to 0.05 mass %.

12. The process of claim 11 , wherein said Feedstock Heavy Marine Fuel Oil has: a combination of kinematic viscosity at 50° C. (ISO 3104) and a density at 15° C. (ISO 3675) to give a CCAI in the range of 780 to 870; a flash point (ISO 2719) no lower than 60° C.; a total sediment—aged (ISO 10307-2) of less than 0.10 mass %; a carbon residue—micro method (ISO 10370) less than 20 mass %; and an aluminum plus silicon (ISO 10478) content less than 60 mg/kg.

13. The process of claim 12 , wherein said Product Heavy Marine Fuel Oil has: a kinematic viscosity at 50° C. (ISO 3104) and a density at 15° C. (ISO 3675) to give a CCAI in the range of 780 to 870; a flash point (ISO 2719) no lower than 60° C.; a total sediment—aged (ISO 10307-2) of less than 0.10 mass %; a carbon residue—micro method (ISO 10370) less than 20 mass %; and an aluminum plus silicon (ISO 10478) content less than 60 mg/kg.

Continuity (7)
Continuation 16719485 · Dec 18, 2019
Continuation 16103896 · Aug 14, 2018
Continuation In Part PCTUS2018017855 · Feb 12, 2018
Continuation In Part PCTUS2018017863 · Feb 12, 2018
Provisional Application 62589479 · Nov 21, 2017
Provisional Application 62458002 · Feb 12, 2017
Related Publication 20210284919A1 · Sep 16, 2021
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