DEPARTMENT OF MECHANICAL AND PRODUCTION ENGINEEERING

Jun 21st, 2015
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Salisbury University
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This uses a principle that water dissolves in rock salt, but Ethanol does not. For this method, Ethanol can be dehydrated by circulating the Ethanol / Water through dry salt.

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KYAMBOGO UNIVERSITYFACULTY OF ENGINEERINGDEPARTMENT OF MECHANICAL AND PRODUCTION ENGINEEERINGBACHELORS OF ENGINEERING IN AUTOMOTIVE AND POWER ENGINEERINGPOWER PLANT II ASSIGNMENTA REPORT ON THE METHODS OF ETHANOL DEHYDRATION AND ITS RELEVANCE IN THE PETROLEUM INDUSTRYBY:ALETI ABELE EMMANUAL11/U/1300/APE/PELECTURER: MR. KAKEBE ROBERTA report on the explanation of the following methods of ethanol dehydration;a) Absorption Method This uses a principle that water dissolves in rock salt, but Ethanol does not. For this method, Ethanol can be dehydrated by circulating the Ethanol / Water through dry salt. Procedure 1. Ethanol is mixed with calcium salt, or any other preferred salt in a container, there after which the container is sealed off to close the contents within.2. The container is shaken vigorously to make sure that the salt and water combine, after which it left to settle for 30 minutes. This makes salt water to separate from ethanol making the dividing line to be clearly seen3. The ethanol is filtered or siphoned off from the top, leaving water laden salt at the bottom of the jar,4. The water laden salt is poured on a cookie sheet, as a way of recovering the salt,The salt is oven dried, or laid in the sun until its completely dry, and it can be re-usedb) Drying with Lime This is the oldest method of drying alcohol, and it is still used on a laboratory scale. It is similar to the salt absorption method just described above except th

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