reactor for ch3-O-ch3 - RECTOR DESIGN: Chemical Reaction...

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Unformatted text preview: RECTOR DESIGN: Chemical Reaction 2CH 3 OH CH 3-O-CH 3 + H 2 O DATA AVAILABLE: Standard Heat of Reaction = H r(25 oC) = -11770 KJ/Kmol Conversion is 80%. Rate Equation :- methanol A o methanol p RT E k r - =- exp k o = 1.21x 10 6 Kmol/(m 3 catalyst filled reactor .h . Kpa) E A = 80.48kj/mol p methanol = partaial pressure of methanol. Inlet temperature of feed =250 o C Operating Pressure = 14.7 (bar ) a Process is adiabatic. Reactor type = Packed bed reactor. Mass flow rate of feed = 7324.1kg/hr COMPOSITIONS Methanol = M = 98.69% Water = W = 0.66% DME = D = 0.65% Volumetric Flow rate = 670.24 m 3 /hr Cp (Specific Heats of Components) at 250 o C Cp m = 80.08 KJ/Kmol.k Cp w = 39 KJ/Kmol.k Cp d = 96 KJ/Kmol.k DESIGN PROCEDURE: Weight of Catalyst: Write down rate equation in terms of concentration. A A KC r =- [where A = methanol] where RT RT EA k K - =------------------------- A Since process is adiabatic so during reaction the temperature will change so including its Effect . we get ( 29 - =- T T XA KC r Ao Ao 1 T o = Inlet temperature of feed....
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reactor for ch3-O-ch3 - RECTOR DESIGN: Chemical Reaction...

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