Estimate the heat duty for a steady-state reaction with liquid feed (100 mol/h) and liquid products.
Acetone (A) is reacted in the liquid phase over a heterogeneous acid catalyst to form mesityl oxide (MO) and water (W) at 80°C and 0.25 MPa. The reaction is . Conversion is to be 80%. The heat capacity of mesityl oxide has been estimated to be CPL (J/mol-K) = 131.16 + 0.2710T(K), CPV (J/mol-K) = 72.429 + 0.2645T(K), and the acentric factor is estimated to be 0.356. Other properties can be obtained from Appendix E or webbook.nist.gov. Ignore pressure corrections and assume ideal solutions.
(a) Estimate the heat duty for a steady-state reaction with liquid feed (100 mol/h) and liquid products. Use the Heat of Reaction method calculated using liquid heats of formation.
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Order Paper Now(b) Estimate the heat duty for the same conditions as (a), but use the Heat of Formation method incorporating heats of formation of ideal gases and Eqn 2.45 to estimate heat of vaporization. (This method is used by process simulators.) (
c) Repeat part (b) with the modification of using the experimental heat of vaporization.
(d) Estimate the heat duty for the same conditions as (a), but use the Heat of Formation method incorporating the heat of formation of liquids.
