I\'m having some trouble understanding this concept in my Chemical Engineering c

Question

I'm having some trouble understanding this concept in my Chemical Engineering class. I was assigned this as a homework problem, I just need some help answering it, or at least just a general idea of how to go about answering the problem. Any help would be greatly appreciated!

Question: A distillation system for separating a mixture of 10 components consists of the tower proper, the rebiller, and the condenser as shown in the diagram. The total molar flow of the individual streams is denoted by n(f), n(b), n(d), and so on. The composition of component 1 in stream A is given by the mole fraction X1,A. (For a typical light hydrocarbon stream we might have a component designation of 1=methane, 2=ethane, 3=propane, ect.)

Using the diagram, solve:

c) write out the balance for total moles

d) Write out the balance for moles of component 1.

Explanation / Answer

Limiting Factors Identify two basic factors that can limit the production of a process system. Convert reactant supplies expressed as total amounts into supply rates. Determine the limiting factor of a process system that is being operated to produce as much product as possible. Perform material balancing for a process system when reactant supply is the limiting factor. Perform material balancing for a system in which a specific amount of product is to be produced.

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