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    • 4. 发明申请
    • IMPROVED GRAIN MILLING PROCESS
    • 改进的晶粒铣削工艺
    • WO2011097070A2
    • 2011-08-11
    • PCT/US2011021601
    • 2011-01-19
    • ARCHER DANIELS MIDLAND COBINDER THOMAS P
    • BINDER THOMAS P
    • C12P7/10B02C4/06
    • C13K13/00A23V2002/00C08B30/12C08L1/02C08L97/00C12P7/10C12P2203/00C13B10/003Y02E50/16A23V2250/02
    • 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.
    • 描述了用于从全谷物生产乙醇和其他副产物的干研磨方法的改进,其中通过在有机酸存在下蒸煮麦芽浆来热化学处理麦芽浆。 有机酸有效地水解碾磨玉米中的淀粉和半纤维素组分,以从胚乳和其他部分的核中提供可发酵的糖,然而也不产生发酵抑制水平的半纤维素酸水解的其它已知产物 材料如羟甲基糠醛(HMF)和糠醛。 此外,有机酸能够溶解淀粉和更难抗拒的半纤维素,同时仅部分水解半纤维素,使得大部分淀粉和半纤维素水解成低聚物,并且化学不稳定和还原糖的量保持足够低以至于 也不明显干扰发酵成乙醇。