What raw materials are used to produce bioethanol?
The raw materials that are currently in use are vegetable products that are very rich in sugars and starch, which when decomposed in enzymatic processes, are transformed into simple sugars, from which ethanol is obtained by fermentation and distillation. The crops used are mostly the following: wheat, barley, corn, beet, rye, and sugar cane. There are some countries in which certain types of crops are more common than others, depending on their geographical location, the typical kind of crops that grow, or its agricultural tradition, – for example, in the United States, practically all its bioethanol production comes from yellow corn, or Brazil, where sugar cane is practically used as the sole raw material.
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