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Bioenergy by Anju Dahiya

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Chapter 23

How Fuel Ethanol Is Made from Corn

Nathan S. Mosier,  and Klein E. Ileleji     Department of Agricultural and Biological Engineering, Purdue University, West Lafayette, IN, USA

Abstract

In this chapter, fuel ethanol, yeast's role in ethanol production, corn as ethanol feedstock, industrial ethanol production including wet milling, and dry-grind ethanol processing steps (milling, liquefaction, saccharification, fermentation, distillation and recovery) are described along with the energy use in ethanol production.

Keywords

Corn; Dry grind; Energy; Ethanol; Wet milling

Introduction

Fuel ethanol has become a very important agricultural product over the past two decades. In 2005, more than 13% of US corn production went toward making this fuel ...

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