Question: A binary distillation column separating methanol-water mixture has 15 trays and the feed contains 40 mole% of methanol is entering at 8 th tray at

A binary distillation column separating methanol-water mixture has 15 trays and the feed contains 40 mole% of methanol is entering at 8^th tray at liquid phase at a temperature of 350K. The other design specifications, process parameters, and properties are stated in the MATLAB code and the following initial values are specified in the coding.

Line Number 117: Temperatures of trays 1 to 15

Line Number 126: T(16) Reboiler Temperature

Line Number 127: T(17) Condenser Temperature

Line Number 132 - 146: Compositions of trays 1 to 15

Line Number 149: XB Bottom product composition

Line Number 155: XD Top product composition

Line Number 230: Time

The following abbreviations in the MATLAB code and the corresponding variables are given below.

RTPT = Condenser Temperature

RBPT = Reboiler Temperature

RXD1 = Methanol composition in Distillate

RXD2 = Water composition in Distillate

RXB1 = Methanol composition in Bottom Product

RXB2 = Water composition in Bottom Product

RTEMP = Tray 1 to Tray 15 Temperatures

RXME = Tray 1 to Tray 15 Methanol composition

RXW = Tray 1 to Tray 15 Water composition

The simulation is started based on the initial conditions specified in the MATLAB code and run for 1 hr. After 1 hr time, the feed flow rate is increased by 10% and the tray efficiency is changed to 75% and the process has run for 2 hrs. Report the top product composition, bottom product composition, Temperature, and composition of all trays.

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