Ethanol can be produced from agricultural raw materials. 3 major categories divided into:Raw materials, ingredients, flour, sugar, type categories, scrap material is cellulose. That kind of raw starch and cellulose by enzymes or acids to digest the sugar, but sugar is a kind of raw materials already applied to fermentation. Duration of fermentation to ethanol is about 48 hours to get there, but that ethanol concentrations 8-12% by volume.Microorganisms that can produce ethanol, but there are many kinds of yeast were applied to produce widespread ethanol because it can grow faster and have a greater quantity. But today, scientists found that the bacteria strain Zymomonas mobilis capable of producing ethanol is better than a lot of yeast, such as a shorter fermentation time: approx. 3-4 times when using the same volume of sugar. But cons bacterial, yeast, sugar is more than just 3 types: glucose sucrose, but Yi's grown fruk module can use sugar has better bacteria.
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