KATZEN provides technology and engineering services for ethanol production facilities with production capacities ranging from less than 1 million to 480 million liters per year.

Did you know that KATZEN developed the technology to produce the purest high grade alcohols in the world and has been doing so for over 60 years? Check it out. Learn More

KATZEN has worked with cellulose feedstocks for production of ethanol as well as other useful products for more than 60 years - including at pilot scale, demonstration scale, and commercial reality. Our breadth of knowledge stems from our long and successful history in the pulp and paper and specialty chemical industries.

In 1955, Dr. Katzen founded our company that today continues to bear his name, KATZEN International. He lived his life following three guiding principles - knowledge, truth and excellence. Knowledge: Ray's continuous pursuit of knowledge resulted in his …

In 2018, KATZEN started up a new plant in San Pedro, Paraguay. INPASA will produce 600,000 liters per day of fuel ethanol from corn, as well as a high quality DDGS product.

SSF was first commercially implemented by KATZEN in 1981 at a plant capacity of 65 million gallons per year. The starch-based SSF process was developed in association with KATZEN's activities relating to technologies for the enzymatic hydrolysis of cellulosic feedstocks.

KATZEN-designed plants presently account for 60% of Brazil’s grain-based ethanol production, with an additional 1.7 billion liters capacity under design and construction. KATZEN President & CEO David Lococo said that KATZEN is proud to support INPASA in …

KATZEN International, Inc. is located in Cincinnati, Ohio. We are a leading provider of technology, process design, and consulting engineering services to a wide variety of chemical and related process industries with a strategic focus on the continuous improvement, development and application of biofuels and bioethanol worldwide.

David Lococo joined KATZEN in 1993. Since that time, he has been involved in all phases of project development from initiation of contracts, project definition and design development, to detail design execution, vendor liaison, construction, project management, plant start-up and operations troubleshooting.

Dr. Raphael Katzen founded our company in 1955, and his vision has been instrumental not only in pioneering the future of the ethanol industry, but also in the way our company is organized and in many ways continues to conduct business today.