Umniah $$:

$36$

$81\%$

$$

$4$:$05$ PM

Question $(3)[23$ Marks$]$

One of the main targets in process design is to construct an optimum heat exchangers network to maximize energy recovery. Using pinch analysis method.

$\backslash$table$[[$Stream type,$\backslash$table$[[$T supply$],[($C$)]],\backslash$table$[[$T target$],[($C$)]],\backslash$table$[[$Heat capacity flow$],[$rate $($KW$/$C$)]]],[1-$Hot,$160,42,75],[2-$Hot,$100,90,1600],[3-$Hot,$75,40,600],[4-$ Cold,$25,140,35],[5-$Cold,$25,79,605],[6-$ Cold,$80,150,165]]$

At $T_m=20C$ and pinch temperature at $90C,$ Conducted the following calculations:

Design an optimal heat exchangers network. $[16$ Marks$]$

Find the minimum number of heat exchangers at MER $[4$ Marks$]$

Show and verify the number of loops if any $[3$ Marks$]$