The plant's model IDRO allows the obtaining of extra neutral alcohol with superior organoleptic features, starting from fermented products through the use of different raw materials . (starchy, sugary, or venous).
The separation within the hydroselection column remove the largest quantity of undesirable congeners. The peculiar operation of this column uses the change in relative volatility of some congeners when the ethanol concentration is decreased. Therefore, many high boiling compound, such as fusel i-amyl alcohol, become more volatile than ethanol and leaves the column as heads.
The parts in contact with the product are entirely made of AISI 304 and AISI 316 stainless steel, suitable for processing distillates and fermented musts; the use of copper helps to remove sulfur compounds in a highly efficiency way
The IDRO and IRMO schemes are designed to ensure high-quality performance but also high efficiency: unlike more traditional plants that require a substantial consumption of steam to heat all columns with boiler steam (fermentation distillation column, hydroselection column, rectification column, and demethylation column), our IDRO and IRMO plants use steam only in certain columns and aims to exploit their alcoholic vapors to heat the others. This can happen thanks to the different pressures at which the columns work; these pressures are designed by our technical department for this specifically. In this way, steam consumption is optimized while ensuring a high quality of distillate.
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