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首页> 外文期刊>Cereal Chemistry >Fiber Separation from Ground Corn Flour Using an Electrostatic Method
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Fiber Separation from Ground Corn Flour Using an Electrostatic Method

机译:静电法从玉米粉中分离纤维

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Corn kernels contain 9% fiber by weight, which is not digested well by nonruminants such as chicken and swine. Also, fiber is nonreactive in the dry-grind process for ethanol production and is considered as feedstock for the production of second-generation bioethanol. Fiber separation can enhance starch concentration in animal feed and increase starch loading in ethanol plants. Electrostatic separation is used to separate particles from granular mixtures under the influence of electrical forces. The Elusieve process, a combination of sieving and air classification, separates fiber by taking advantage of differences in size, shape, and density. Differences in dielectric properties could also be exploited for fiber separation. The aim of this study was to evaluate the effectiveness of electrostatic separation of fiber particles from corn. When the electrostatic method was used in conjunction with Elusieve processing, the fiber product had higher neutral detergent fiber (NDF, 52.9%) compared with Elusieve processing alone (NDF of 40.5%). Also, a higher quantity of enhanced flour (95.0% yield) was produced when the electrostatic method was used in conjunction with Elusieve processing compared with Elusieve processing alone (93.0% yield), without any change in quality of the enhanced flour (NDF of 6.6% in both cases). The electrostatic method improved fiber separation when used in conjunction with Elusieve processing.
机译:玉米粒含有9%(重量)的纤维,这种纤维不能被非反刍动物如鸡和猪消化。另外,纤维在干磨法生产乙醇中不反应,被认为是生产第二代生物乙醇的原料。纤维分离可以提高动物饲料中的淀粉浓度,并增加乙醇植物中的淀粉含量。静电分离用于在电力的影响下从颗粒状混合物中分离出颗粒。筛分和空气分级相结合的Elusieve工艺通过利用尺寸,形状和密度的差异来分离纤维。介电性能的差异也可用于纤维分离。这项研究的目的是评估从玉米中静电分离纤维颗粒的有效性。当静电方法与Elusieve处理结合使用时,与单独的Elusieve处理(NDF为40.5%)相比,纤维产品的中性洗涤剂纤维含量更高(NDF,52.9%)。同样,与单独的Elusieve处理相比,将静电法与Elusieve加工结合使用时,可以生产出更多量的增强面粉(95.0%的产量),而增强面粉的质量没有任何变化(NDF为6.6)在两种情况下均为%)。当与Elusieve处理结合使用时,静电方法改善了纤维分离。

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