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As a design engineer, you are designing a process to convert some excess butene ( C 4 H 8 ) to ethylene ( C 2

As a design engineer, you are designing a process to convert some excess butene (C4H8) to ethylene (C2H4) using the reaction C4H82C2H4. Your process will include reaction and separation, and two streams will exit the process: an ethylene- rich stream and a butene-rich stream. The following are requirements for the process:
Feed (input) stream: Flow rate: 765lbmhr; Composition: Pure butene Ethylene-rich output stream: Flow rate: 25.5lbmohr; Composition: 89mole% ethylene (the rest is butene)
Butene-rich output stream: Flow rate: 240ft3hr Composition: ethylene and butene Of the incoming butene, 79% is converted to ethylene. What will be the concentrations of ethylene and butene (in units of (:lbmolft3} in the butene-rich outlet stream? (10 pts)
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