Industrial Production Of Ethanol Slideshare
The primary feedstock for ethanol production is corn.
Industrial production of ethanol slideshare. The most commonly used raw materials are molasses whey grains potatoes and wood wastes. The equations are given below. Preparation of nutrient solution media.
Anaerobic fermentation of alcohol 3. Conclusion thus alcohol production is an important fermentation because of following reasons 1. But in practice the fermentation yield of ethanol from sugar is about 46 or one hundred grams of pure glucose will yield 48 4 grams of ethanol 46 6 g of co 2 3 3 grams of glycerol and 1 2 g of yeast the biosynthesis of ethanol is given in fig.
Ethanol is used as solvent chemical intermediate fuel solvent resins pharmaceuticals cosmetics household cleaning products industrial solvent fuel used as a bio fuel in internal combustion engines chemical intermediate petroleum derived chemicals butadiene production. Production process of ethanol ethanol production can be carried out in three stages preparation of nutrient solution and inoculum fermentation proper and recovery. Thus the above reactions show that 97 sugar transforms into ethanol.
The highest specific ethanol production rate for all the batch experiments was achieved at ph5 0. Gives ethyl alcohol used for consumption as well as industrial purposes 2. Introduction ethanol which is widely used as a biofuel as well as an alcoholic beverage is increasingly being consumed globally ethanol is being increasingly produced by fermentation currently about 80 of fuel grade production in us comes from fermentation current ethanol production level is the equivalent of.
Ph 4 0 5 0 was the optimal range for the ethanol production process. Fungal sources have been investigated for α amylase production through submerged and solid state fermentation. Alcoholic beverages antifreeze antiseptics ethanol can be used as an antiseptic to disinfect the skin.
Ethanol also called ethyl alcohol grain alcohol drinking alcohol or simply alcohol is a chemical compound a simple alcohol with the chemical formula c 2 h 6 o its formula can be also written as ch 3 ch 2 oh or c 2 h 5 oh an ethyl group linked to a hydroxyl group and is often abbreviated as etoh ethanol is a volatile flammable colorless liquid with a slight characteristic odor. However studies reveal that ssf is the most appropriate process in developing countries due to the advantages it offers which make it a cost effective production process also ssf provides a medium that resembles the natural habitat of fungal species unlike smf which is. Ethanol production using sugarcane 7.
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