Batch distillation of grappa: effect of the recycling operation

Abstract

The effect of the recycling of foreshots and feints during batch distillation of marc has been evaluated. The distillation behaviour of ethanol and congeners was found to be unchanged by the recycle. Instead, the chemical composition of the middle-cut fraction obtained with recycle of foreshots and feints proved to be richer in ethanol (+4%), higher alcohols (+7%), esters (+13%) and aldehydes (+10%)

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Archivio istituzionale della ricerca - Università degli Studi di Udine

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Last time updated on 12/11/2016

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