Liquefaction MPC delivers holistic business returns
11/5/2025
Multivariable predictive control (MPC) technology has been successfully applied to many liquefied natural gas (LNG) processing plants around the world, but there are always challenges that must be overcome to achieve success. For the Queensland Curtis LNG (QCLNG) site, these challenges included addressing deficiencies in the base layer control strategies, managing the highly heat-integrated process design, modeling the various degrees of freedom into a net positive optimization strategy, and handling the dynamics of process disturbances such as ambient temperature and ship-loading on the operating point. The MPC project team, comprised of operating company and external specialists, used a
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