Heat of Vaporization using Heater block in Aspen HYSYS - Lecture # 8

Learn to calculate heat of vaporization using heater block for different solvents. Three solvents (Water, 3-methylhexane, and 1,1,2-Trichloroethane) have been compared and solvent having lesser heat of vaporization is selected for the distillation column.
Background:
The driving force for distillation is “Energy”. The most energy consuming part of a distillation column is the vaporization of material in the reboiler to cause vapor to flow from the bottom of the column to the top of the column. Heat of vaporization determines the amount of energy required. Therefore, it is important to know the heat of vaporization of various species during solvent selection. We should select a component with lower heat of vaporization so that we can achieve the same degree of separation with less energy.
Lecture # 2 (Heater Block): • Simulation of Heater, ...
Lecture # 5 (Property Package Selection): • Thermodynamic Property...
In next video, will will learn, how to generate PT envelope. Stay Tuned!!
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[@BilalMushtaq.]

Haris,
Ma sha Allah Going too Good
Keep it up Man

[@aspenchemchannel]

Thank you so much Mian Bilal.

[@ahmedsheikh1253]

Shouldn't we use mass flow rate instead of molar flow rate?

[@Rivoj_]

Very clear explanation thank you bro

[@pranahaditriwidi3602]

Insya Alloh barokah

[@vicardgibbings5354]

Can I obtain the Latent Heat of Vaporization of a mixture of components (example 2 components) using the same method?

[@aspenchemchannel]

Yes, you can

[@HassanRaza-qe8ls]

good work sir.
thanks a lot.
sir can you share the problem/case studies in pdf or word format, so that we can practice .
jazak Allah

[@aspenchemchannel]

Sure. I will

[@AbdurRehman-hz6ly]

✔👌

[@brian332]

2:48
The temperature of the outlet stream is the same as the inlet stream; how is that possible considering there is heat input in the system to vaporize molar flow of liquid into complete gaseous state.
And heat of vaporization is not typically reported in units of time; perhaps you didn't execute another mathematical step to divide the heat flow with molar or mass flow to give kcal/kgmol or kcal/kg.

[@aspenchemchannel]

For endothermic systems, heat is to be provided, and in such systems, it is possible to get the same temperature at the outlet (isothermal design). However, this example was a demonstration of the heater/cooler block. The value of heat of vaporization is directly calculated from Aspen.

[@prakasharul4262]

can u please show one example h2s absorption tower fire case psv . like absorption tower ----- heater for bubble point -----at PSV relieving condition -----vessel - outlet 5 % of liquid is vaporized