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Revista EIA
versión impresa ISSN 1794-1237
Resumen
PEREZ OLIVA, YUSLEIDI; PEREZ ONES, OSNEY y ZUMALACARREGUI DE CARDENAS, LOURDES. CHEMICAL, PHYSICAL AND MICROBIOLOGICAL CHARACTERIZATION OF TWO CUBAN STILLAGE. Rev.EIA.Esc.Ing.Antioq [online]. 2017, vol.14, n.28, pp.29-43. ISSN 1794-1237. https://doi.org/10.24050/reia.v14i28.695.
In this research the chemical, physical and microbiological characterizations of vinasse from ethanol and rum production at Hector Molina and San José distilleries were performed. Molasses were used as raw material. Important parameters were determined for the evaluation of their qualities. Some of them were: Biological oxygen demand (BOD5), chemical oxygen demand (COD), potassium, iron, total coliforms and thermotolerant coliforms. Distilleries Hector Molina and San José presented similarity, comparing pH, (BOD5) and COD. Statistical evaluation was performed showing that there are significant differences between both distilleries for the variables:BOD5, COD, NO3-, P04 3-, S04 2-, Mg2+, Na+, K+, Ag, Ba, Mn, Ni, Cr, Ca and settleable solids. Those values were compared with the Cuban Standard 27: 2012, finding that (BOD5), COD, electrical conductivity, pH and temperature do not comply with the maximum permissible levels reported.
Palabras clave : Breweries; Ethanol; Stillage; Characterization; Quality; Legislation.