Iowa State to manage biorefinery projects for new Manufacturing USA Institute

December 23, 2016 |

In Iowa, Iowa State University will bring its expertise in biorenewable technologies and pilot plant operations to the country’s tenth Manufacturing USA Institute.

The recently announced advanced manufacturing institute is dedicated to improving the productivity and efficiency of chemical manufacturing. Those improvements could include combining processes such as mixing, reacting and separating into single steps. The new institute will be known as RAPID, the Rapid Advancement in Process Intensification Deployment Institute. The American Institute of Chemical Engineers in New York City will lead the effort, which was developed in collaboration with the U.S. Department of Energy’s Savannah River National Laboratory in South Carolina and the Georgia Institute of Technology in Atlanta.

On Dec. 9, the U.S. Department of Energy announced it would support the institute with $70 million over five years, subject to federal appropriations. Another $70 million is expected from RAPID’s partners, including companies, universities, laboratories and other organizations.

The proposal that won the Department of Energy’s approval includes $8 million to support development and testing of biorefineries that that feature modular design and construction for ease of manufacturing and mass production. Two possible projects highlighted in the application include:

Pyrolysis-based Modular Energy Production Systems for conversion of wastes and biomass into fuels, chemicals and other products, with $3.2 million from the energy department and additional support from Easy Energy Systems of Emmetsburg; the State of Iowa; and Stine Seed Co. of Adel. Pyrolysis as traditionally practiced involves quickly heating biomass without oxygen to produce a biochar for fertilizer and a liquid bio-oil for energy. Iowa State researchers have improved the process by adding a small amount of air to the reaction, partially burning some of the biomass as a source of heat for the reactor. The so-called autothermal process dramatically increases the rate that biomass can be converted to products, allowing construction of smaller and simpler reactors suitable for modular systems. The new process produces sugars that can be fermented to biofuels and a solid fuel suitable as a coal substitute. The big idea is to develop small, efficient biorefineries that can process local biomass, saving the cost and trouble of transporting and storing biomass from a larger region.

Anaerobic digestion of grassy biomass and wet wastes to convert waste biomass into carbon-neutral fuels and chemicals, with $4 million from the energy department and additional support from Earth Energy Renewables of Bryan, Texas; Roeslein Alternative Energy of St. Louis; the State of Iowa; the Iowa Energy Center; and Iowa State. The project will build on technology developed by Mark Holtzapple of Texas A&M University to efficiently ferment biomass for production of carboxylic acids. The acids can be converted into valuable industrial chemicals and fuels, all the way up to gasoline.

“Our investment in this cross-cutting technology is an investment in the future of U.S. manufacturing,” said David Friedman, acting assistant secretary of the Department of Energy’s Office of Energy Efficiency and Renewable Energy, in a statement announcing the institute. “As we expand the Manufacturing USA network, we provide greater opportunities for businesses of all sizes to solve their toughest technology challenges and unleash major savings in energy-intensive sectors like oil and gas, pulp and paper-making and other industries.”

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