Waterjet-surface preparation removes epoxy from tank floor

The HydroCat is at work removing the fiber glass-bonded epoxy coating from the tank floor. The single operator uses a remote control to drive the HydroCat across the tank floor to remove the coating, which is white in the photo. The dark section in the photo reflects the clean, bare metal surface (Fig. 2). Clark Refining & Marketing Inc. saved about $75,000 by using a proprietary waterjet system vs. a gritblast system to remove an epoxy liner inside one of its refining tanks. The tank is located at Clark's Port Arthur, Tex., refinery. Flow International Corp., Kent, Wash., manufactures the HydroCat equipment that was used to remove the coating. Need for coatin...

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