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Novel municipal environment-friendly snow melting agent

A new type of municipal and snow-melting agent technology, applied in other chemical processes, chemical instruments and methods, etc., can solve problems such as concrete and steel corrosion, achieve the effects of lowering the freezing point, increasing the snow-melting rate, and low corrosion

Inactive Publication Date: 2018-01-19
徐州得铸生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the mass percentage of sodium chloride in this method is as high as more than 80%, which seriously corrodes concrete and steel.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A new municipal environment-friendly deicing agent, the active ingredients include modified bentonite and sodium metasilicate, the mass ratio of modified bentonite and sodium metasilicate is 40:1.

[0014] The snow-melting agent is prepared by adding water and mixing modified bentonite and sodium metasilicate, then magnetically stirring, and drying to obtain snow-melting agent particles after the reaction is completed.

[0015] The preparation method of described modified bentonite is as follows:

[0016] Dissolve 15 parts of AlPO4-11 nanopowder in 100 parts by weight of deionized water, add 8 parts by weight of sodium hydroxide and 4 parts by weight of sodium carbonate, mix well and stir vigorously. After 14 hours, the obtained slurry was filtered and washed until neutral, and 150 parts by weight of bentonite was added to knead to make a circular precursor with a diameter of 2 to 3 mm, which was loaded into a Monel with an inner diameter of 1 / 2 inch and a length of 30 ...

Embodiment 2

[0018] The preparation method is exactly the same as in Example 1, except that the mass ratio of modified bentonite to sodium metasilicate is 30:1.

Embodiment 3

[0020] The preparation method is exactly the same as in Example 1, except that the mass ratio of modified bentonite to sodium metasilicate is 25:1.

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PUM

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Abstract

The invention discloses a novel municipal environment-friendly snow melting agent. The snow melting agent is prepared from effective ingredients including modified bentonite and sodium metasilicate. The snow melting agent is snow melting agent particles obtained after the modified bentonite, sodium metasilicate and water are mixed, magnetically stirred, subjected to a reaction and dried. The massratio of the modified bentonite to sodium metasilicate is (40:1)-(1:1). The modified bentonite and sodium metasilicate are taken as main raw materials, the cost of the raw materials is lower, the modified bentonite is modified AlPO4-11-bentonite particles and is found to have a very good snow melting effect with sodium metasilicate, diversified microporous particles are formed, have certain waterabsorbency and can substantially reduce the ice point, the snow melting rate is notably increased, the snow melting agent is very low in corrosivity and very environmentally friendly.

Description

technical field [0001] The invention relates to a novel municipal environment-friendly deicing agent. Background technique [0002] Deicing agent, as the name suggests: it refers to the agent that can reduce the melting temperature of ice and snow, and it is a kind of chemical. Ordinary deicing agent raw materials are easy to get and the price is low. Its main ingredients are potassium acetate and chloride salt, and they are classified according to these two kinds. The deicing agent melts the snow on the road by reducing the melting temperature of ice and snow, which is convenient for road dredging, and the effect of spreading is obvious, but it is harmful. Studies have found that the residue of the deicing agent can corrode the road surface and automobile rubber tires. At present, in the north, sand and snow plows are still used as the main method in winter, and snow-melting agents are used as a supplementary method to remove ice and snow on the road surface to ensure smoo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K3/18
Inventor 王瑞玲刘庆
Owner 徐州得铸生物科技有限公司