A closed loop filtration system for separating and/or enriching light end hydrocarbons from and/or in a mixture of hydrocarbons, the system comprising: a reservoir to contain a mixture of hydrocarbons, wherein the reservoir comprises an inlet; and an outlet ; a pump to circulate hydrocarbons through the system; a filter element , the filter element comprising layers of filtration media, wherein the layers of filtration media define a core channel through the filter element and at least one layer of the layers of filtration media comprises a size exclusion material, at least one layer of the layers of filtration media comprises a sulfur removal component, and at least one layer of the layers of filtration media comprises a hydrophobic material; an inlet comprising the upstream end of the core channel for receiving a mixture of hydrocarbons from the reservoir, an outlet comprising the downstream end of the core channel for returning circulating hydrocarbons to the reservoir, and an exterior surface in fluid communication with the layers of filtration media; a pressure sensor to determine the pressure of circulating hydrocarbons; a valve assembly , in operable communication with the pressure sensor, to control the flow of hydrocarbons circulating through the system; and a collection chamber in fluid communication with the exterior surface of the filter element, the collection chamber comprising an outlet for liquid reformable fuel product enriched in light end hydrocarbons, wherein the inlet of the reservoir is in fluid communication with the outlet of the filter element and the outlet of the reservoir is in fluid communication with the inlet of the filter element. a reservoir to contain a mixture of hydrocarbons, wherein the reservoir comprises an inlet; and an outlet ; a pump to circulate hydrocarbons through the system; a filter element , the filter element comprising layers of filtration media, wherein the layers of filtration media define a core channel through the filter element and at least one layer of the layers of filtration media comprises a size exclusion material, at least one layer of the layers of filtration media comprises a sulfur removal component, and at least one layer of the layers of filtration media comprises a hydrophobic material; an inlet comprising the upstream end of the core channel for receiving a mixture of hydrocarbons from the reservoir, an outlet comprising the downstream end of the core channel for returning circulating hydrocarbons to the reservoir, and an exterior surface in fluid communication with the layers of filtration media; a pressure sensor to determine the pressure of circulating hydrocarbons; a valve assembly , in operable communication with the pressure sensor, to control the flow of hydrocarbons circulating through the system; and a collection chamber in fluid communication with the exterior surface of the filter element, the collection chamber comprising an outlet for liquid reformable fuel product enriched in light end hydrocarbons, wherein the inlet of the reservoir is in fluid communication with the outlet of the filter element and the outlet of the reservoir is in fluid communication with the inlet of the filter element. <EOS>