shows the stream data for an existing plant. You are assigned to reduce the energy consumption of the process. The allowed Tmin is 20C..

stream	Temp supp	Temp Target	Heat load
HOT 1	210	75	4000
HOT 2	250	90	4500
HOT 3	350	130	3000
COLD 1	40	130	4250
COLD2	190	330	6000
COLD3	90	230	4000

Design the heat exchanger network for maximum energy recovery. Compare the performance of the network design to the current process without heat integration.

By using HINT software