Class Note for CHEE 201 at UA
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This 3 page Class Notes was uploaded by an elite notetaker on Friday February 6, 2015. The Class Notes belongs to a course at University of Arizona taught by a professor in Fall. Since its upload, it has received 12 views.
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Date Created: 02/06/15
ChEE 201 Pieces of Equipment and Flowsheets The following information is a list of the different pieces of equipment you may encounter in this class The text book does not explain all of this information in one place which is why you are receiving this handout It is a good resource for how to represent the information on your flowsheet A short description of each piece of equipment is next to the picture Distillation Column Used to separate liquids based on boiling point differences works best when the liquids have very different boiling points Has one inlet at least and two outlets at least overhead or distillate feed gt bottoms Absorption Column A gas is contacted with a liquid to remove something from the gas Separates based on solubility differences in the liquid Has two inlets and two outlets Ex cleans a dirty gas by capturing a contaminant into the liquid clean liquid cleaner gas gt gt d1rty l1qu1d l T dirty gas Stripping Column A gas is contacted with a liquid to remove something from the liquid Separates based on solubility differences in the vaporliquid combination Has two inlets and two outlets Ex cleans a dirty liquid by capturing a contaminant into the g dirty liquid dirty gas cleaner l1qu1d l 1 clean gas Crystallizer Works by melting point differences Removes a substance from a liquid by cooling it down until crystals form Has one inlet and two outlets Ex KoolAid with too much sugar you39ve put in the refrigerator 39 39 liquid 1 crystals solid F illralianMembranes Works by physically separating larger things from smaller things One inlet and two outlets one of the outlets could mean that the smaller things are just kept inside the equipment though Ex air filter on your air conditioner system in your house fluid that has less of the gt gt larger component left in it 1 larger quotstuffquot LiquidLiquid Extractor Works by solubility differences to separate things often used to separate temperature sensitive things often in the medical field Use a third liquid as the separating agent Has two inlets and two outlets liquid with A B liquid with A C liquid with B l T less A liquid C C enm39fuge 39 Works by physically separating by density differences Ex blood separator liqsol mix lighter liqsol gt P heavy liqsol Evaporator Works by boiling point differences by heating the liquids and boiling some of them off Ex an evaporative cooler T vapor gt gt hquld liquid C andense r Works by boiling point differences the opposite of evaporation Cool down a gas to get a liquid i vapor gt gt hquld liquid Mixer Add two or more streams together to form a final stream Ex paint mixer or your blender at home i Split paint One pipe splits into two pipes often used in bypass systems The composition of the streams remains the same because there is no equipment there to separate materials The flowrates of the two streams leaving the split point are not equal This is labeled as three different streams when you are writing variables 96 G
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