摘要:
A modification is described of a dry grind process for producing ethanol and other co-products from whole grain, whereby the mash is thermochemically treated by cooking the mash in the presence of an organic acid. The organic acid effectively hydrolyzes both the starch and hemicellulosic components in the milled corn to provide fermentable sugars from both the endosperm and other parts of the kernel, without, however, also producing fermentation-inhibiting levels of other known products of the acid hydrolysis of hemicellulosic materials, such as hydroxymethylfurfural (HMF) and furfural. Further, the organic acid is able to solubilize both the starch and the more recalcitrant hemicelluloses while only partially hydrolyzing the same, so that most of the starch and hemicelluloses are hydrolyzed to oligomers and the amount of chemically labile and reducing sugars is kept sufficiently low as to also not appreciably interfere with the fermentation to ethanol.
摘要:
Animal feed compositions which include a polyol are described. Processes for producing an animal feed composition with a polyol are disclosed. Methods of feeding an animal the polyol are also disclosed.
摘要:
Animal feed compositions which include a polyol are described. Processes for producing an animal feed composition with a polyol are disclosed. Methods of feeding an animal the polyol are also disclosed.
摘要:
Methods are provided for the efficient fractionation of lignocellulosic biomasses into cellulosic, hemicellulosic and lignin fractions, wherein concentrated organic acid vapors are applied to the biomass at elevated temperatures at the location(s) or near the location(s) where the biomass has been harvested and gathered, to at least partly depolymerize or substantially solubilize the hemicelluloses and lignins in the biomass. The organic acid-treated biomass is in either case then dried and pelletized for extended bulk storage and/or for shipment to a second facility some distance away. The organic acid-treated biomass may be processed into desired chemicals, fuels and/or fuel additives at the local processing site or at a second facility away from the local processing site, or the pelletized material may be used as a ruminant feed locally or at a feedlot some distance removed from the local processing site.