November 2015

Maintenance and Reliability

Use dynamic simulation to increase reliability of hydrogen generation

Through this plant study, a licensor demonstrates effective use of rigorous dynamic simulation tools to implement the new control schemes and configurations.

Hydrogen is the lifeline of refinery operations. Overall refinery availability depends on operational continuity of hydrogen. Profitability of the refinery largely depends on the reliability of hydrogen generation unit (HGU) operations. The hydrogen plant is a complex operating unit, with reformer section,(optional) pre-reformer, (optional) shift reactor(s), and pressure swing absorber (PSA) as its main process components. Each component needs to operate within its operating window to improve the reliability and availability of the HGU. Among this equipment, the reformer section is the most critical energy-intensive and high-temperature equipment. Reliable operation of reforming section is

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