V-201 E-201 E-203 T-201 Feed Methanol DME DME Vessel Preheater Cooler Tower P-201A/B E-202 R-201 Feed Pump Reactor Reactor Cooler Methanol V-201 P-201A/B DIMETHYL ETHER PRODUCTION E-207 V-203 P-203A/B E-208 E-204 E-205 V-202 P-202A/B E-206 T-202 DME DME DME DME Reflux Methanol Methanol Methanol Methanol Methanol Wastewater Reboiler Condenser Reflux Pumps Reboiler Tower Condenser Reflux Pumps Cooler Drum Drum mps E-201 E-202 Temperature, C Pressure, bar R-201 CW 9 E-203 T-201 mps E-204 46 10.3 CW 10 V-202 121 P-202A/B 7.3 T-202 E-205 139 7.4 mps E-206 26 13 CW E-207 V-203 P-203A/B CW E-208 DME Wastewater

Write DOF analysis (unit by unit)

Write the design variables

DIMETHYL ETHER PRODUCTION E.20 Mothand 5-200 Dutz Combre oret bevi ADe E.pes P.208 E.204 E205 GMAE DNE frbolen Condevae teboler Conderas Hedsct Yoxe p-genem (a)Me BY fielus Dnat? E-206 Mefianoi thotumal. Aetobicer fower Ex Mofind Mefiens Conderati Retur Dim