Hazen Research, Inc. provides process research and development services to the extractive metallurgy and chemical industries, serving clients worldwide on projects ranging from bench-scale experiments and analyses to multimillion-dollar continuous pilot plants. Hazen facilities include an extensive inventory of laboratory and pilot-plant equipment. The firm's strengths lie in the ability and experience to understand and provide services in the entire spectrum of activity from the starting materialâwhether an ore, coal, or waste streamâto the finished product. With over 12,000 comleted projects for industrial clients, and with the range of services extending to the environmental and energy industries, in addition to our research and development activity, Haezen personnel can provide the preliminary layout and cost estimation for small-scale industrial chemical plants and mineral-treatment facilities. In support of these activities, Hazen also has sophisticated data acquisition and computer modeling methods having developed hundreds of hydrometallurgical, pyrometallurgical, and mineral beneficiation processes for most commercial metals and industrial minerals, and for many inorganic chemicals. The firm's energy clients have used Hazenâs expertise to develop processes involving coal upgrading, combustion of alternative fuels, and conversion of a wide variety of feedstocks into energy sources. Waste characterization and treatability studies, waste reduction options, and valuable byproduct recovery from waste streams are routinely performed for industrial clie
