Dryers for Ethanol

The right dryer is key to getting the best value out of your product.
Swedish Exergy dryers helps our client achieve the best value for their application.

Ethanol

Ethanol, also called alcohol, is an organic chemical compound produced from biomass. Ethanol is produced by fermentation of different crops, mostly sugarcane or corn. There are many uses for ethanol but the largest single use for it is as a bioethanol, a type of biofuel.

Bioethanol is a renewable source of energy and can technically be used as transportation fuel as is, but is more often used as a gasoline additive. Ethanol has a higher octane number than gasoline and is therefore less sensitive to explosion as it can withstand more compression, leading to an increase in the thermal efficiency.

In addition to fuel, can ethanol be produced with the purpose to be consumed as “drinking alcohol”. Fermenting certain crops creates ethanol that then can be distilled to produce liquors like vodka or whiskey.

The production of ethanol creates a byproduct called distillers grains. It is an excellent source of protein and energy and is often used as animal feed.

Drying and ethanol.

The distillation, evaporation and drying are heavily energy consuming tasks and are the main operating cost. By using steam drying for the solids and vapours from the dryer for the evaporators, the total energy consumption for the ethanol production can be reduced by 30-40%.

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