Learning from Experience -- Process Control Parameter Measurement -- Dependent and Independent Variables -- Binary Distillation of Pure Components -- Distillation Tower Pressure Control -- Control of Aqueous Phase (Waste Water) Strippers -- Pressure Control in Multicomponent Systems -- Optimizing Fractionation Efficiency by Temperature Profile -- Analyzer Process Control -- Fired Heater Combustion Air Control -- Using Existing Controls to Promote Energy Efficiency -- Control Valve Position on Instrument Air Failure -- Vacuum System Pressure Control -- Reciprocating Compressors -- Centrifugal Compressor Surge versus Motor Over-Amping -- Controlling Centrifugal Pumps -- Steam Turbine Control -- Steam and Condensate Control -- Control of Process Reactions -- Steam Quality and Moisture Content -- Level, Pressure, Flow, and Temperature Indication Methods -- Alarm and Trip Design for Safe Plant Operations -- Inverted Response of Process Parameters -- Nonlinear Process Responses -- Control Malfunction Stories -- Level Indication Problems in Vessels -- Calibration Specific Gravity for Level Control -- Flow Orifice Plate Cavitation -- Factors Causing Incorrect Process Parameter Measurement -- Optimizing Controls to Reduce Emissions from Sulfur Recovery Plant & Sour Water Strippers -- Positive Pressures & Fired Heaters -- Effect of Wind -- Lessons from Bhopal -- Hazards of Ignoring Alarms.