Heyl & Patterson Inc. offers indirect-fired rotary calciners to transform wood biomass into torrefied wood, or “biocoal.” This system focuses on the cost and thermal effectiveness of the value-added conversion of wood biomass. The calciner is the key part of a system integrating a rotary dryer, pelletizer, and other components to facilitate the efficient generation of carbon-neutral electricity on a distributed basis. One example is the University of Minnesota Duluth’s Natural Resources Research Institute (NRRI) in Coleraine, MN, which will produce approximately 28,800 lb of biocoal per day, with an energy content of over 10,000 BTUs/lb. The biocoal produced at NRRI will support the University’s research on modern steam-based electricity generation and the categorization of viable fuel options from biomass, including wastes, crop residues, and other forest resources. The project will address the specific needs and challenges facing Minnesota’s residents, forestry industry, electric power generators, and business community.
Heyl & Patterson Inc., Carnegie, PA 412-788-9810 www.heylpatterson.com
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