ocr: Cooling Water TTTS Distilate Reflux Al101 FC201 TIT4 Feed TIT3 F1301 A1302 TIT2 FC203 TITI Bottoms Vapor - 4 d - I Bottoms A1102 Figure 5: Binary distillation column. Data from this column is used to illustrate how to build a process model with neural networks and use it to enhance the top quality.