In ethylene plant, the fuel oil stream from quench tower is obtained. How can we characterise the stream in Aspen Plus?
Deepesh,
I'm assuming that your problem is defining the stream's composition. There are three ways for simulating this stream.
If you have the exact composition, you should enter it. If you don't, you can define a pseudocomponent with average properties of that stream. You can also enter boiling point curve of that stream.
To simulate the stream of light oil, you must tell in what form you have its characterization. I mean, if you have the composition in ultimate analysis or composition by components. If this current is a current in or a current out. Because if it is a result current then it depends on components involved in simulation.
Using Average Boiling Point and SG is probably enough for most purposes adding C,H,N,S and O elemental composition and heating value can be useful if you actually have that information available.
Depending on the type of Fuel Oil, the composition of carbon, dihydrogen, dioxygen, sulfur, and nitrogen is given. All as conventional components. You can also put the carbon as solid. Another way is to create fuel oil as a pseudocomponent, the molar mass corresponding to the chemical composition is inserted, the boiling temperature is inserted, and the specific gravity. In addition, it could be given the heating value of fuel oil.
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