Ajax Equipment is supplying screw conveyors and associated equipment to Aker Kvaerner, as part of the expansion of the DuPontSA pure terephthalic acid production facility at Wilton, Cleveland.

The DuPontSA Wilton Site is a world scale and world class facility for manufacturing over 550ktpa of pure terephthalic acid (PTA) - a key intermediate in the production of polyester.

In total Ajax Equipment is supplying six screw conveyors ranging from 400 to 850 mm screw diameters to transport wet PTA cake and dry PTA powder between processes. Associated plant including swinging bucket divertor valves for switching feed to the conveyor offers greater plant flexibility.