Environmentally benign anti-icing or deicing fluids
a technology of anti-icing and deicing fluids, applied in the direction of chemistry apparatus and processes, other chemical processes, etc., can solve the problems of reducing the service life of chloride salts, and corroding the skin of animals, so as to reduce the cost of transportation
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examples 1-34
[0064] Deicing and / or anti-icing fluids were prepared from pure compounds in accordance with the present invention. They were then tested for freezing point, viscosity, conductivity, pH, COD, BOD and corrosion. MBS refers to desugared beet molasses from Michigan Beet Sugar. The results are reported below in Table 1.
EXAMPLE12345678910 CompositionSorbitol50 000000000MeG050 00000000Glycerol0050 0000000Propylene Glycol00050 000000MBS000050 00000Sucrose0000050 0000Potassium Carbonate00000047 000Sodium Formate000000025 00Potassium Acetate0000000050 0Sodium Lactate00000000050 Water50 50 50 50 50 50 53 75 50 50 PropertiesFreezing Point, ° C.−11 −16−23−33 −16 −7.5−20 −19.5 −60 −32 Viscosity, cSt22° C. 7.6 8.4 4.5 6.0 4.9 10.4 4.3 1.9 3.8 16.9−7° C. 39.4 40.4 15.8 26.3 15.0 44.7 11.5 4.5 10.2110.3 Conductivity, mS / cm 0.003 0.668 0.003 0.002294 880 354 654 401 pH 5.48 4.53 5.04 5.81 8.66 5.88>13 7.91 9.87 7.19COD kg / kg 0.60 0.63 0.68 0.82 0.32 0.53 0.04 0....
examples 35-38
[0065] Deicing and / or anti-icing compositions prepared in accordance with the present invention employing industrial or agricultural streams as at least part of the deicing and / or anti-icing composition were tested for freezing points. The results are set forth in Table 2.
TABLE 2Example35363738CompositionCSB250250Potassium Carbonate252500CMS025025Potassium acetate002525Water50505050PropertiesFreezing Point, ° C.−44−38−48−42
CSB refers to Molasses Concentrated Separator Bottoms from Idaho Beet Sugar (Amalgamated Sugar) having the following approximate composition:
[0066]
% ON DRY% BY WEIGHTSUBSTANCECOMPONENT GROUPSDissolved Solids (RDS)74.84—Ash22.8130.47Crude Protein19.4425.97Nitrogen Compounds (As N)3.114.16α-Amino Nitrogen Compounds0.410.55(As N)INDIVIDUAL COMPOUNDSSucrose13.1317.54Raffinose3.965.29Invert0.0200.027Betaine8.9511.82Potassium8.8511.82Sodium1.982.65Calcium0.040.05Chloride1.832.44Nitrate0.700.94Sulfate2.12.8Pyrrolidone Carboxylic Acid (PCA)6.298.40Tyrosine0.280.38Serin...
example 39
[0068] A mixture of 25% by weight water, 65% by weight ethyl lactate and 10% by weight sodium lactate was prepared. No crystal formation was observed at a temperature of −50° C.
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