In a tubular reactor, the dehydrogenation of ethane to yield ethylene as the desired product (R1) takes place simultaneo

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In A Tubular Reactor The Dehydrogenation Of Ethane To Yield Ethylene As The Desired Product R1 Takes Place Simultaneo 1 (51.67 KiB) Viewed 48 times

In a tubular reactor, the dehydrogenation of ethane to yield ethylene as the desired product (R1) takes place simultaneously to other two side-reactions (R2 and R3), resulting in methane and propylene as sub-products, C2​H6​(g)→C2​H4​(g)+H2​(g)C2​H6​(g)+H2​(g)→2CH4​(g)C2​H4​(g)+C2​H6​(g)→C3​H6​(g)+CH4​(g)​ R1  R2  R3 ​ The process is designed to produce n˙C2​H4​( g), out ​=15kmol⋅hr−1 of ethylene, with a fractional yield of YC2​H4​(g)​=0.4. The selectivity of methane respect to hydrogen production is fixed to Calculate: (i) Fractional conversion of ethane, αC2​H6​(g)​. [25 marks] (ii) Molar composition of the outlet stream leaving the reactor. [5 marks] (iii) Considering that the inlet and outlet streams are at 25∘C and 1 atm, estimate the heat rate released or consumed in the reactor. [10 marks] NOTE. Consider εA​=0 for all the compounds.