Dehumidification in Shipyard Abrasive Blasting

Techniques, Dos and a Few Don’ts

From JPCL, November 2020

By Nick Kline, Polygon US


Using dehumidification in shipyards during abrasive blast-cleaning operations has been a widely accepted practice for three decades, and while techniques have become much more sophisticated, the basic goal of preserving the blasted steel and creating the right conditions for coatings application remains the same. This article discusses how various combinations of desiccant dehumidification, heating and cooling equipment and other components have been utilized properly and also provides some examples of when things did not work out so well. ...


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