Progress in ethanol production from corn kernel by applying cooking pre-treatment (CROSBI ID 147908)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Voća, Neven ; Varga, Boris ; Krička, Tajana ; Ćurić, Duška ; Jurišić, Vanja ; Matin, Ana
engleski
Progress in ethanol production from corn kernel by applying cooking pre-treatment
In order to improve technological properties of corn kernel for ethanol production, samples were treated with a hydrothermal pre-treatment of cooking (steaming), prior to drying. Two types of cooking process parameters were applied ; steam pressure of 0.5 bars during a 10 min period, and steam pressure of 1.5 bars during a 30 min period. Afterwards, samples were dried at four different temperatures, 70, 90, 110 and 130°C. Control sample was also submitted to the afore-mentioned drying parameters. Since the results showed that starch utilization, due to the gelatinization process, was considerably higher in the samples pre-treated before the ethanol production process, it was found that the cooking treatment had a positive effect on ethanol yield from corn kernel. Therefore, the highest ethanol yield was found in the corn kernel samples cooked for 30 min at steam pressure 1.5 bars and dried at 130°C. Due to the similarity of processes used for starch fermentation, introduction of cooking pre-treatment will not significantly increase the overall ethanol production costs, whereas it will result in significantly higher ethanol yield.
corn kernel; cooking; pre-treatment; ethanol production
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Podaci o izdanju
Povezanost rada
Poljoprivreda (agronomija)