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Comparing the Feed, Fertilizer, and Fuel Value of Distiller Grains

机译：比较蒸馏谷物的饲料，肥料和燃料价值

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摘要

Continued rapid expansion of ethanol production by dry-grind plants will increase the amount of ethanol byproducts such as dried distillers grains with solubles (DDGS) and wet distiller grains with solubles. The objective of this review was to determine if continued expansion of ethanol production is likely to lead to significant amounts of ethanol byproducts being used as a fertilizer for crop production. Nutrient density in DDGS and wet distiller grains is similar to some forms of animal manure used as fertilizer. Plants with DDGS currently have the option of selling it as a feed, fertilizer, or energy source. Our analysis indicates that feed value currently exceeds the value of other uses of DDGS by at least 90dollar/ton. The high feed value of DDGS and wet distiller grains with solubles makes it highly unlikely that these materials will be used as a fertilizer source.
机译：干磨设备继续快速扩大乙醇生产，将增加乙醇副产物的量，例如干的可溶酒糟（DDGS）和湿的可溶酒糟。这次审查的目的是确定乙醇产量的持续增长是否可能导致大量乙醇副产品用作农作物生产的肥料。 DDGS和湿酒糟中的养分密度类似于用作肥料的某些形式的动物肥料。拥有DDGS的植物目前可以选择将其作为饲料，肥料或能源出售。我们的分析表明，饲料价值目前超过DDGS其他用途的价值至少90美元/吨。 DDGS和具有可溶物的湿酒糟的饲料价值很高，因此极不可能将这些材料用作肥料。

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