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David Phillips is an independent marketing communications specialist in the mining and minerals industry. He can be reached at dmp99@verizon.net.
Pittsburgh-based Heyl & Patterson Inc. manufactures calciners, fluid bed and rotary dryers, and other heat processing equipment. For more information from Heyl & Patterson, call 412-788-9810 or visit www.heylpatterson.com.
With the correct equipment for coal ash drying, calcining and thermal desorption, some of the hazards presented by coal ash can be mitigated substantially.
The two largest beneficial uses of encapsulated coal combustion residuals (CCR) — commonly known as coal ash — are in concrete/concrete products/grout and in gypsum panel products.
