US Patent 7659098 Method of treating waste from alcohol production

A method of treating a plurality of byproducts generated in the process of producing alcohol using corn as a raw material, and making effective use of them, particularly as feed compositions. The method of treating byproducts generated in the process of producing alcohol from corn comprises a step of using a koji mold to ferment a mixture of at least one solid byproduct and a distillation residue generated in the process of producing alcohol, to produce a koji fermentation product.