Industrial gas: oxygen
AIR LIQUIDE
Feedstock capacity expansion projects and processing of resid feeds in Fluid Catalytic Cracking Units (FCCUs) continues to grow. The number of FCCU’s utilizing oxygen to achieve these objectives is more than 25 worldwide. Refiners have used pure oxygen to enrich the FCCU regenerator combustion air up to 28 % volume. This technology should lead to a capacity increase of over 25 % or a resid increase of 10 %. The modifications required to install the oxygen injection apparatus are minor and can be performed between unit turnarounds.
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