Snow melting agent as well as preparation and use methods thereof
A snow-melting agent and potassium acetate technology, applied in chemical instruments and methods, and other chemical processes, can solve the problems of high price, affecting plant growth, and shortened lifespan, and achieve low cost, strong ice-melting ability, and little impact on plant growth Effect
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Embodiment 1
[0022] The simplex center of gravity design method was used to establish the regression equation between the amount of ice melting and the distribution ratio of each group, as follows:
[0023] First, dry raw materials such as potassium acetate, sodium acetate, ammonium acetate, etc., and grind them until their constant temperature quality does not change, and grind them into powder;
[0024] Then take by weighing above-mentioned three kinds of raw materials respectively by the proportioning amount of simplex center of gravity design table (as shown in table 1), be placed in stirring container and it is fully stirred, make it mix;
[0025] Finally, the uniformly stirred mixture is dried again, and after it is dried, it is crushed and ground to powder again;
[0026] The above mixture was formulated into a liquid spraying deicing agent solution at a concentration of 20 wt%, and its ice melting capacity in an environment of -10°C was tested.
[0027] Table 1 The amount of melti...
Embodiment 2
[0032] The theoretical optimal proportion obtained in Example 1 is optimized, and the deicing agent is compounded with 30% potassium acetate, 30% sodium acetate and 40% ammonium acetate, specifically as follows:
[0033] First, dry raw materials such as potassium acetate, sodium acetate, ammonium acetate, etc., and crush and grind them to powder when the constant temperature quality does not change;
[0034] Then weigh the above three raw materials respectively by 30% potassium acetate, 30% sodium acetate and 40% ammonium acetate, place them in a stirrable container and fully stir them to make them evenly mixed;
[0035] Finally, the uniformly stirred mixture is dried again, and after it is dried, it is crushed and ground to powder again, and sealed for storage;
[0036] The above mixture is prepared into a liquid spraying deicing agent solution at a concentration of 20wt%, and its ice-melting capacity in an environment of -10°C is tested. The measured value is 4.7g, which is ...
Embodiment 3
[0041] The difference from Example 2 is that the mixture was prepared into deicing agent solutions at concentrations of 10wt%, 20wt%, and 30wt%, respectively, and the pH values of the deicing agent solutions at different concentrations were tested with an acidity meter. The results are shown in Table 2.
[0042] Table 2 The pH value of different concentrations of deicing agent solutions
[0043]
[0044] The test method of pH value is carried out according to Section 4.7 of "Road Deicing and Snow Melting Agent GB / T 23851-2009".
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