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Ethylene-based process - Coggle Diagram
Ethylene-based process
introduction
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ethylene reacts to inexpensive reagent such as water, chlorine, hydrogen chloride and oxygen to produce valuable chemical
Oxidation of ethylene
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ethylene oxide is colorless gas that liquified when below 12C. it highly soluble in water and inorganic solvent
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the uses
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used primarily in automotive antifreeze and polyester is used in fibers, films and bottles
product nonionic surfactants, ethanolamines, glycol ethers, diethylene glycol
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the main route to ethylene oxide is oxygen or air oxidation of ethylene over a silver catalyst. the reaction is exothermic
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ethylene oxide selectivity can be improved when the reaction is lowered and the conversion of ethylene is decreased
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catalyst
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inhibitors: organic halides are very effective for supressing the undesirable oxidation of EO to CO2 and H2O
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