Saudi Aramco installs new LPG recovery unit at Yanbú refinery

Saudi Aramco recently converted its semi-regenerative platformer unit in its Yanbú refinery to a UOP-licensed continuous catalytic regenerative (CCR) process. To recover valuable gases from the CCR net gas, Saudi Aramco installed an LPG-recovery unit that uses a technology unfamiliar to the refiner.The new unit (Fig. 1) was installed to maximize LPG recovery and increase hydrogen purity of the net gas for use in a new diesel hydrotreater unit. In this photo of the new LPG-recovery unit, the absorber column is in the center and on top of the nearby pipe rack is the propane-refrigerant condenser. The two columns in the lower right-hand side are the existing saturated gas plant debut...

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