Lakoet ethanol production process from raw material plant type or fermentation by-product of industrial enzymes by microorganisms or other changes in the composition of the raw materials into sugar, flour, and sugar alcohol is alcohol changed to make 95 per cent, it is called a pure ethanol for the production. Ethanol as a fuel in the country, Thailand Most of the raw material from within the country, such as molasses and cassava, which is producing ethanol from raw materials, these are low-cost and there is a sufficient quantity of raw materials. 95 percent ethanol can be used as an alternative fuel by gasoline or diesel engines, using with high compression ratio, or may be blended with gasoline. Called the kaetsoho oil. Benefits of using ethanol is helping to reduce imports of crude oil from abroad. Reduce the amount of toxic gases in the atmosphere and increases stability to farmers. However, the production of ethanol use is experiencing problems. One important issue is the management of waste generated by the manufacturing process, such as the Fu-oil. Carbon dioxide and waste water (sewage water blisters), but from the data collected, it was found that the waste that occurs can be useful, for example, waste water can be produced methane and laektik acid, etc. This research is to gather information from the production process of ethanol wastewater and waste from industry, led to the use of ethanol in order to promote sustainability in the production process of ethanol and reduce the environmental problems that arise from such waste.
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