PREPROCESSED BARLEY, RYE, AND TRITICALE AS A FEEDSTOCK FOR AN INTEGRATED FUEL ETHANOL FEEDLOT PLANT

Rye, triticale, and barley were evaluated as starch feedstock to repla ce wheat for ethanol production. Preprocessing of grain by abrasion on a Satake mill reduced fiber and increased starch concentrations in fe edstock for fermentations. Higher concentrations of starch in flours f rom preprocessed cereal grains would increase plant throughput by 8-23 % since more starch is processed in the same weight of feedstock. Incr eased concentrations of starch for fermentation resulted in higher con centrations of ethanol in beer. Energy requirements to produce one L o f ethanol from preprocessed grains were reduced, the natural gas by 3. 5-11.4%, whereas power consumption was reduced by 5.2-15.6%.