Patent ID: 8241520
Filing Date: 2012-08-14
Classification: C09K

Abstract:
1. A process for producing a deicing and/or anti-icing composition comprising water and at least one agent selected from the group consisting of glycerol, glycol(s), soluble salts, and sucrose, said process comprising: i) employing an impure process stream comprising one or more of glycerol, glycol(s) or sucrose, and optionally, one or more of organic acids and/or salts and alkaline components; ii) formulating said deicing and/or anti-icing composition to have a pH from neutral to slightly basic by adding alkali or acid; iii) incorporating in said composition freezing point depressing compounds selected from the group consisting of hydroxyl-containing compounds, organic acids and/or salts thereof, inorganic salts and mixtures thereof, and iv) formulating said deicing and/or anti-icing composition so that the concentration of said agent(s) in said composition is in the range of from about 5 to about 90 weight percent.