EAST LANSING, Mich. — A Michigan State University researcher is using a $1.92 million Department of Defense grant to develop a portable wastewater treatment system that could improve the military’s efficiency.
The solar-bio-nano project, which is being spearheaded by Wei Liao, an MSU assistant professor of biosystems and agricultural engineering, also will generate energy and produce drinking water, thus providing a potential blueprint for the future of municipal/agricultural wastewater treatment systems.
During military operations, shipping from port to bases on or near the front lines can push the cost of water up to nearly $60 per gallon. A portable, self-sustaining system would allow the bases to be more nimble and cost-effective, Liao said.
“Bases on or near the front lines could transport this small-scale system by semi-truck and will greatly reduce their demand for water and fuel,” he said. “The integrated system can serve about 600 people, is patentable and hopefully can be scaled up to serve larger populations.”
The integrated system will comprise three major components. First, the solar unit will use new materials and employ a novel configuration making it up to 80 percent lighter than traditional solar units. Second, biological conversion processes will break down wastewater and food scraps to produce methane that can be used as fuel. Finally, a nano-filtration system will then take the discharge from the biological processes to provide drinking water.
 MSU scientist Wei Liao is developing a portable wastewater treatment system that generates electricity and produces drinking water. Photo courtesy of MSU. | If the team’s project proves effective in military settings, it has great potential in a wide range of wastewater treatment systems, from agricultural operations to municipal wastewater treatment plants, Liao said. “The short-term goal is to drive costs down and to allow the military to alleviate supply chains’ overarching control over its maneuvers,” he said. “The long-term goal is to apply advanced and integrated technologies to transform agricultural and municipal wastes from an environmental liability into a public and private asset.” Working with Liao on the project, are MSU colleagues Ilsoon Lee, an MSU associate professor of chemical engineering, and Abraham Engeda, an MSU professor of mechanical engineering. |
Liao’s project was one of 32 initiatives funded by the DoD’s Strategic Environmental Research and Development Program.
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Contact: Layne Cameron layne.cameron@ur.msu.edu University Relations, Office: 517-353-8819 , Cell: (765) 748-4827, Michigan State University Wei Liao, Biosystems and Agricultural Engineering, Office: (517) 432-7205, liaow@msu.edu
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