Estimate $$the $$following $$using $$below $$Table $$data $$assume $$

$$

$=$

$1$

$.$

a

$.$

$$Heat $$duty $$using $$first $$law

b

$.$

$$Draw $$Shifted $$temperature $$diagram

c

$.$

$$Derive $$the $$composite $$curve $$

$($

$$

$$vs $$

$$

$)$

$$and $$show $$the $$cold $$and $$hot $$utility $$requirement$.$

What $$is $$the $$pinch $$temperature$?$

d

$.$

$$Design $$HEN $$for $$below $$pinch $$and $$above $$pinch