Product safety assessment ucar ethylene glycol aircraft. Doc 9640, manual of aircraft ground deicingantiicing operations. Deicing fluid market global industry analysis, size and. United states office of water 4303 epa821r00016 environmental protection washington, dc 20460 august 2000 agency 1epa preliminary data summary airport deicing operations. Type i fluids must be heated and diluted to be safe and effective. Deicing fluid is the process of removing ice, snow from a surface.
Onsite recovery of glycols from airport deicing fluid using polymericceramic composite membranes epa contract number. The deicing provider should check the fluid freezing point with a refractometer on a regular basis. Recommendations for deicing antiicing of aircraft on. Most fluid manufacturers supply premixed type i fluids with fluid to water ratios typically between 50. There are four standard aircraft deicing and antiicing fluid types. Deicing how we dispose of deicing fluid toronto pearson airport. Ep0805843a1 ep19960905220 ep96905220a ep0805843a1 ep 0805843 a1 ep0805843 a1 ep 0805843a1 ep 19960905220 ep19960905220 ep 19960905220 ep 96905220 a ep96905220 a ep 96905220a ep 0805843 a1 ep0805843 a1 ep 0805843a1 authority ep european patent office prior art keywords composition icing anti deicing viscosit. References wherever in this document fluid types i, ii, iii, or iv are indicated, this always refer to the latest. Davies deicing fluid type iv meets the latest sae type ii and ams. Onsite recovery of glycols from airport deicing fluid using polymericceramic composite membranes investigators. There have been studies of the environmental impact of deicing fluid, which basically states in water, eg is not persistent and biodegrades aerobically and anerobically. Material safety data sheet 10320 liftoff p88 aircraft deicer concentrate page 3 of 325 c 650 mpas 9. Ucar adf xl 54 is a readytouse fluid available in canada. Treatment, storage, transportation and disposal must be in accordance with federal, stateprovincial and local regulations.
June 15, 2015 the dow chemical company page 3 of 8 type i deicing fluid 80% type iv antiicing fluid 20% use of ucaregbased deicing and antiicing fluids11 these products conform to aerospace material specifications 1424d, 1428d, and 1428e set by. International deantiicing chapter federal aviation administration. Deicing fluids are typically ethylene glycol, diethylene glycol or propylene glycol based fluids containing water, corrosion inhibitors, wetting agents and dye. Deicing fluids come in a variety of types, and are typically composed of ethylene glycol eg or propylene glycol pg, along with other ingredients such as thickening agents, surfactants wetting agents, corrosion inhibitors, colors, and uvsensitive dye. The runoff of deicing fluid from aircraft has historically been allowed to drain to ground water or streams. Dow ucar ad49 type 4 antiicing fluid, 230gallon tote. Type i adf aircraft deicing fluid kilfrost group plc. Sae also provides aerospace recommended practices arp for deicing and antiicing methods arp 4737 and functional requirements of deicing and antiicing vehicles arp 1971. Type i deantiicing fluid are manufactured and qualified to ams 1424 iso 11075 specifications. Formula x concentrate aircraft deicing type 1 deicing fluid must be used diluted and heated, in accordance with faa approved deicinganti icing program. Antiicing is understood to be the application of chemicals that not only deice but also remain on a surface and continue to delay the reformation of ice for a certain period of time, or prevent adhesion of ice to make mechanical removal easier. In the past 25 years there have been 35 air carrier accidents worldwide that have been attributed to inadequate ground deicingantiicing. Apply enough hot deicing fluid ensure that refreezing does not occur and all contaminated fluid is driven off. The dilution determines the freezing point of the fluid.
Scope these specifications cover a potassiumacetate based deicingantiicing fluid in the form of a concentrated liquid meeting faa approved specification sae ams 1435c. Clariant supports our customers efforts to reduce the environmental impact of their airport operations and lower costs. Fluid use guidelines and holdover time tables are published by regulatory agencies such as transport canada and the u. Safety data sheet deicingdefrosting fluid, aerosol sds revision date. Chapter 3 deicingantiicing fluids transport canada. Propylene glycolbased fluid is more common because it is less toxic than ethylene glycol sae international formerly known as the. The main component of deicing fluid is either ethylene glycol eg, toxic or propylene glycol pg, nontoxic and depending on the category applied different amounts are used annually. Us20030098438a1 environmentally friendly compositions. All aircraft deicing and management of bulk aircraft deicing fluid adf shall be conducted in compliance with dia rules and regulations, including part 180 and this part 190, the fire code of the city and county of denver, all applicable local, state, and federal laws and regulations. Final report onsite recovery of glycols from airport. The procedures section contains information on deantiicing fluid handling and storage. Aircraft deicing manual 2019 2020 cologne bonn airport. Type i and type iv, both of which primarily consist of propylene glycol. Flammability characteristics of tks antiicing fluid.
Antiicing fluids are similar in composition except that they also contain polymeric thickeners. However, there are a range of different types of deicers and. Call ahead to the airport to see what kind of deiceantiice fluid that they have because. Tks antiicing fluid is being used in a variety of platforms to provided antideicing capability for smaller commercial aircraft. Clariant has developed highperforming deicing fluids to keep aircraft surfaces free from ice and snow. The flammable liquid is comprised of 85 percent ethylene glycol, 10 percent water, and 5 percent isopropyl alcohol, and. Recommendations for deicing antiicing of aircraft on the. Alle informatie over composition deicing salt zoutman. Aircraft deicing fluids for safe winter operations ucar. How to use this manual record of revisions foreword chapter 1 air.
Ucar adf xl 54 is a ucar adf aqueous solution which can be made by mixing 57 parts by volume of ucar adf concentrate with 43 parts of water. Other methods of deicing include mechanical methods such as scrapping and pushing or by applying heat. Snowfall often comes unexpected and, with a bit of bad luck, in large amounts. Dynatec provides a unique system that treats spent airport deicing fluid to provide reuse quality water and recover glycol treatment and recovery. Aircraft deicingantiicing fluids consist of four types.
This practice is being discontinued at some airports as. In one embodiment of the antiicing or deicing composition, the fluid further includes 1dodecanol which is present between about 0. Environmentally friendly compositions having antiicing, deicing or graffiti prevention properties. Polar guard advance is supplied as a readytouse formulation.
An environmentally benign antiicing or deicing fluid providing long term protection for use on aircraft and runways, roads, bridges. Because of this type i fluids are commonly used as part of a twostep deantiicing procedure when the final application of a type ii or type iv. As such, they can be used on any aircraft, as they shearblow off even at low speeds. Ucar ethylene glycol aircraft deicing and antiicing fluids revised. Deicing fluids lower the freezing point of water and typically comprise of salts, glycols and alcohols. Ucar aircraft deicing fluidsaircraft antiicing fluids. Deicing fluid is sprayed on the surface using hoses or spray guns. Ground deicing and antiicing issues in air carrier operations. Propylene glycol is used in this product, to ease health and environmental concerns. Kilfrost al34 is a specially developed aircraft deicing fluid.
Checking procedure for aircraft deicingantiicing fluids. Characteristics of aircraft antiicing fluids subjected to. They are primarily used for deicing and do not offer any significant antiicing holdover protection. Us20030098438a1 us10217,975 us21797502a us2003098438a1 us 20030098438 a1 us20030098438 a1 us 20030098438a1 us 21797502 a us21797502 a us 21797502a us 2003098438 a1 us2003098438 a1 us 2003098438a1 authority us united states prior art keywords composition weight viscosity fluid water prior art date 19980629 legal status the legal status is an assumption. The main component of deicing fluid is usually propylene glycol or ethylene glycol. Product safety assessment ucar propylene glycol aircraft. To view more of our products please visit our main aircraft deicing fluids category. Davies type 1 aircraft deicing fluid must be used diluted and heated, in accordance with faa approved deicinganti icing program. Ucar aircraft deicing fluid xl 54 nominally contains approximately 54. Us patent application for environmentally friendly.
Other ingredients vary depending on the manufacturer, but the exact composition of a particular brand of fluid is generally held as confidential proprietary information. Safety data sheet ams 1424 type 1 deicing fluid page 2 of 9 p501. The vast majority of deicing around the world is done with two fluid types. Manufacturers state that a fluid must not be used when the outside air temperature or skin temperature is below the lout of the fluid. The composition is nonelectrolytic, homogeneous singlephase, biodegradable comprising. All aircraft deicing and antiicing fluids adfs and aafs must be certified as meeting the following aerospace materials specifications published by sae. Dtd 406b deicing fluid commonly known as tks fluid kilfrost put the k in tks description. Dtd 406b aircraft inflight ice protection fluid protects you and your plane from inflight freezing by distributing ice protection fluids through porous metal structures that form the leading edge of the wings and rear horizontal and vertical stabilizers. Fluid shall be minimum 50% potassium acetate by weight with a freezing point of. International deantiicing procedures section august 2008 page 2 of 36 1 deicingantiicing fluids 1. The main component of deicing fluid is a freezing point depressant fpd, usually propylene.
Rule for aircraft deicing effluent april 25, 2012 on spent aircraft deicing fluid and stormwater collection and treatment must be considered. Deicing fluids aero specialties aircraft ground support. Deicing is the process of removing snow, ice or frost from a surface. Nineteen of these accidents have occurred in the united states. They also have the shortest holdover times hot or estimated times of protection in active frost or freezing precipitation. Dotfaaar9781 bioremediation of aircraft deicing fluids. This makes stocking up on deicing road salt in advance a wise precaution. Pg aircraft deicing fluids concentrate 55 45 sae ams 1424 propylene glycolbased type i fluids ad20016.
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