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Equipment Calculations HDS

# Equipment Calculations HDS - Question 1 Catalyst volume...

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Question 1: Catalyst volume required With the information of WHSV and feed rate Catalyst volume follows as Where feed rate includes Recycle and Fresh gas Flow Question 2: Adiabatic Temperature Rise Assuming that Recycle and Fresh gas has no Sulphur, Adiabatic temperature rise can be calculated by the use of Enthalpy graph for reactant charge / effluent streams and with the knowledge of amount of sulphur converted. Question 3: Reactor Sizing superficial velocity (hot liquid load at reactor inlet) is 40 m/h , and that the velocity can be calculated as volumetric flow rate over section:

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Section F velocity V = And Cross sectional area can be calculated as velocity F Section V = Taking density from given graph at average temperature of 375 C 380 o C, (485 Kg/m3) and dividing the inlet mass flow rate by it, volumetric flow rate follows as Volumetric Flow = 554 m3/hr C S area = 13.9 m2 From Circular section, the reactor diameter found is D = 4.2 m Taking into account that Volume = Section Length Length of catalyst bed = 17.7 m
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Equipment Calculations HDS - Question 1 Catalyst volume...

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