Ethylene oxide is made by the partial oxidation of ethylene with oxygen using a

Question

Ethylene oxide is made by the partial oxidation of ethylene with oxygen using a silver catalyst: 2C_2H_4+O_2 right arrow 2C_2H_4O Undesirable side reaction also occurs: C_2H_4+3O_2 right arrow 2CO_2 +2H_2O The feed to the reactor consist of 10 mole percentage C_2H_4, 11 mole percentage 0_2, I mole percentage CO_2, and the rest N_2 inert diluent. From this reaction, 25% conversion of ethylene in reaction(1) was observed and the reactor outlet stream is found to contain 2 mol CO_2 per 1 mol H_2O. The feed flowrate to the reactor is set at 100 mol/hr. Construct degree of freedom and show the process is correctly specified. Calculate the molar flowrate of all components in the outlet stream. Determine the yield of C_2H_40 from C_2H_4 in the process using the following correlation Overall yield = moles of C_2H_4O produced/moles of C_2H_4O should produce if all C_2H_4 fed was used to produce C_2H_4O only

Explanation / Answer

a) F=C-P+2

F=2-1+2

F=3

Oxygen is in the form of gas hence phase concider as one insead of two.

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