Alloy Selection in Wet-Process Phosphoric Acid Plants (10015)
By C.M. Schillmoller, reprinted from Process Industries Corrosion, The Theory and Practice, published by National Association of Corrosion Engineers, 1986. Although the equipment and methods involved in making and utilizing phosphoric and sulphuric acid are continually undergoing refinement and improvement, not sufficient advantage seems to have been taken of new alloys that contribute substantially to reduction in capital investment, provide higher efficiency and increase operating capabilities. This paper opens a window on a group of cost-effective alloys and discusses potential and actual applications.