Aircraft Deicing Operations

Table of Contents1 Introduction and Motivation ………………………………………………………... 32 Deicing Regulatory Guidelines ……………………………………………………… 33 Current Deicing Practices3.1 Aircraft Deicing Fluids …………………………………………………….. 43.2 Hot Water Aircraft Deicing ……………………………………………….. 63.3 Forced Air Aircraft Deicing ……………………………………………….. 63.4 Hanger Storage ……………………………………………………………... 73.5 Airline/Airport Deicing Relationship ……………………………………... 74 Deicing and the Environment4.1 Environmental Concerns ………………………………………………….. 84.2 ADF Collection and Containment Methods ……………………………… 94.3 Proposed New Regulations ……………………………………………….. 105 Future of Deicing Technology and Policy5.1 Infrared Deicing Systems ………………………………………………… 115.1.1 Implementation Issues ………..………………………………….. 135.1.2 Regulatory Issues ………..……………………………………….. 145.2 Tempered Steam Technology …………………………………………….. 145.3 Under Development Technology ………………………………………… 145.4 Improved Weather Forecasting ………………………………………….. 156 Conclusions ………………………………………………………………………….. 15References ……………………………………………………………………………... 17List of Tables and FiguresTable 1 Estimate of Aircraft Deicing Fluid Use/Purchase by US CommercialAirports ……………………………………………………………………….. 5Table 2 COD Discharge for Various Type Airports in the US ……………………… 9Table 3 ADF Collection and Containment Methods and Percentage of US AirportsUsing Them…………………………………………………………………… 10Table 4 Number of Airports subject to Proposed Regulations and the CODReduction for Each Option …………………………………………………. 11Figure 1 Diagram of How InfraTek Deicing System Works ……………………. 12Aircraft Deicing Operations.Anna Vasilyeva2