Our core business is designing, performing, and interpreting experimental work to provide design criteria and other technical information for new and existing processes.For more than 55 years, Hazen has provided chemical analyses, bench-scale experiments, continuous pilot plant demonstration, and field and other services. Hazen also designs flowsheets and reduces scaleup risks for commercial plants throughout the world. These and other similar services are also available at Huffman Laboratories, a division of Hazen Research, Inc.