Abstract: A deicing salt composition, including: between 95 and 98 wt. % of a formate, between 1 and 3.5 wt. % of a silicate, between 0.05 and 0.5 wt. % of sodium metaaluminate, between 0.1 and 1 wt. % of sodium carbonate, and between 0.05 and 0.5 wt. % of a organophosphate containing a phosphoryl group. The formate is selected from the group consisting of sodium formate, potassium formate, or a mixture thereof. The silicate is selected from the group consisting of sodium disilicate, potassium disilicate, sodium metasilicate, potassium metasilicate, or a mixture thereof. The organophosphate containing the phosphoryl groups is selected from the group consisting of hydroxy ethyl disodium diphosphate, 2-phosphate butane-1, 2,4-tricarboxylic acid tetrasodium, ?-hydroxy-phosphorus sodium acetate, or a mixture thereof.
Type:
Grant
Filed:
August 16, 2012
Date of Patent:
April 2, 2013
Assignee:
Hubei Ruifuyang Chemical Technology Co., Ltd.
Inventors:
Xinchuan Cheng, Zhijun Xu, Shengli Wen, Lu Feng