Potato Grower

December 2017

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WWW.POTATOGROWER.COM 51 PH: 218-346-3357 • Toll Free: 888-884-8070 47418 US Hwy 10 Perham, MN 56573 • w w w . b t u v e n t . c o m 165656BTUVen13s.indd 1 1/23/17 3:10 PM 1.888.273.3088 | biosafesystems.com HA HA HAN HAN HA HA HAN HAN HAN HA HA HAN HA DLE DLE DLE NDLE NDLE NDLE NDLE NDLE N DLE DLE DLE DLE DLE DLE DLE DLE DLE DLE WITH CARE WITH CARE WITH CARE SUSTAINABLE STORAGE SOLUTIONS SaniDate ® 5.0: facility sanitization OxiPhos ® : bin piler applications StorOx ® 2.0: fogging/humidicell applications SEE US AT POTATO EXPO BOOTH #935! 163604BioSaf13s.indd 1 10/30/17 1:42 PM Researchers also evaluated biofilm formation of co-culture on the plastic composite supports, using a scanning electron microscope, says researcher Gulten Izmirlioglu, a doctoral student in agricultural and biological engineering when the study was conducted. "Scanning electron microscope images revealed that when mold and yeast are allowed to form a biofilm, hyphae (filaments) of the mold provide surface area for the yeasts' attachment," she says. "That's a good thing." The research findings, which demonstrated that plastic composite supports can be used for simultaneous saccharification and fermentation processes in biofilm reactors with co-cultures when producing ethanol, were published in Fuel. Izmirlioglu believes the results are significant for industry. "Overall, bioethanol production from starchy industrial wastes can be improved with application of biofilm reactors, while the production cost is reduced with integrations of the simultaneous saccharification and fermentation process and co-culturing," says Izmirlioglu. More efficient bioethanol production is needed to meet the demand for renewable energy and reduce the negative environmental impacts of petroleum fuel, Demirci says. To make ethanol production cost-competitive, inexpensive, and easily available, feedstocks such as potato mash are needed, as well as improved processing technologies with higher productivities. "This research is of great interest to Keystone Potato Products in Hegins, Pa., a subsidiary of Sterman Masser, Inc.," says Demirci. "The company is paying attention to this project, hoping this novel approach may help it add more value to its waste potato mash. Industrial food wastes are potentially a great substrate in production of value-added products to reduce the cost, while managing the waste economically and environmentally." Also contributing to the research was John Cantolina in Penn State's Microscopy and Cytometry Facility at the Huck Institutes of the Life Sciences. The Turkish Ministry of Education, by providing a scholarship to Izmirlioglu, and the Pennsylvania Agricultural Experiment Station also supported this work.

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