October 2015

Refining Developments

Test run with sales gas feed in a traditional H2 plant

A conventional hydrogen (H2) plant in a Middle Eastern refinery was designed to produce 75,000 normal cubed meters per hour (Mnm3/hr) of H2 product with 95% purity with plat offgas feed (platformer offgas mixed with hydrocracker offgas).

A conventional hydrogen (H2) plant in a Middle Eastern refinery was designed to produce 75,000 normal cubed meters per hour (Mnm3/hr) of H2 product with 95% purity with plat offgas feed (platformer offgas mixed with hydrocracker offgas). During the platformer catalyst regeneration, the H2 plant uses liquefied petroleum gas (LPG) as feed—a mixture of propane and hydrocracker offgas. With LPG feed, the H2 production rate is limited to 55 Mnm3/hr due to limitations in the carbon dioxide (CO2) absorption capacity of the Benfield unit. This plant is a traditional H2 plant using the Benfield unit and the methanator to remove carbon oxides and increase H2 purity. The front end of the H2 plant cons

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