Corn cobs may perform better than woodchips to reduce nitrates in water quality bioreactors -- and for a lesser cost -- state Iowa State University researchers. The challenge is getting an adequate supply of corn cobs.
Corn cobs can recharge bioreactors
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Mini research-sized bioreactor cells are being recharged with corn cobs at Iowa State University’s Agricultural Engineering and Agronomy Research Farm.
Professor Michelle Soupir and Research Engineer Ji Yeow Law, Department of Agricultural and Biosystems Engineering, Iowa State University, pose together.
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