deicing agent

A snow melting agent and silicate technology, applied in other chemical processes, chemical instruments and methods, etc., can solve problems such as water eutrophication, achieve low biochemical and chemical oxygen consumption, high work efficiency, and strong snow melting ability. Effect

Active Publication Date: 2011-12-14
湖北力泰环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, inorganic phosphate is usually used as an anti-corrosion agent, but the obvious disadvantage of inorganic phosphate is that it forms calcium scale with calcium ions in the water, which needs to be used together with scale inhibitors, and the phosphate discharged into the water can promote the growth of algae in the water body, which is easy to cause water eutrophication

Method used

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Examples

Experimental program
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Effect test

Embodiment 5

[0066] A kind of snow melting agent, the weight percentage of each component is:

[0067]

[0068] The modulus of sodium disilicate is 1.

[0069] The production method is as follows: take each component according to the weight percentage, crush, mix and stir evenly, then extrude it into 2-6mm granules, and dry to get it.

Embodiment 6

[0071] A kind of snow melting agent, the weight percentage of each component is:

[0072]

[0073]

[0074] The modulus of sodium disilicate is 3.5.

[0075] The production method is the same as in Example 5.

Embodiment 7

[0077] A kind of snow melting agent, the weight percentage of each component is:

[0078]

[0079] The modulus of sodium disilicate is 2.

[0080] The production method is the same as in Example 5.

[0081] Of course, the present invention can also have other various embodiments, such as replacing sodium formate with other formates, for example, potassium formate, or partially with potassium formate; all or part of sodium disilicate is replaced with other silicates Substitute, for example, with one or more of sodium metasilicate, potassium disilicate, potassium metasilicate; phosphoryl group [-PO(OH) 2 ] organic phosphate is not limited to disodium hydroxyethylene diphosphate (HEDPNa 2 ), 2-phosphobutane-1,2,4-tricarboxylate tetrasodium (PBTCANa 4 ), one of sodium a-hydroxyphosphonate acetate (HPAANa), or a combination of two or three. As long as the weight percentage of each component is within the scope of the present invention, the purpose of the present invention ca...

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Abstract

Disclosed is a snow thawing agent comprising, in addition to formate as a principal component, additives, such as silicate, sodium metalluminate, sodium carbonate and organophosphate containing phosphoryl. The snow thawing agent according to the present invention has strong thawing capability with low erosion on carbon steel metals and concrete, especially much low erosion on aluminium magnesium alloy materials used in aircrafts; the present invention is easily biodegradable at low oxygen consumption, and thus is an environmentally-friendly, efficient and fast snow thawing agent.

Description

technical field [0001] The invention relates to a snow-melting agent, in particular to an ecological snow-melting agent with formate as the main component. Background technique [0002] Existing chlorine salt deicing agent due to Cl - The corrosiveness of ions is often added with rust inhibitors (anticorrosion agents). Although the corrosiveness to metals and road construction materials is alleviated, the corrosiveness is still very prominent, and Cl - Ions have an impact on soil and vegetation, and endanger plant growth. Biological deicing agents such as food crops, papermaking waste liquid, wine by-products, fat sugar products, etc. are low in cost and have no environmental pollution, but the deicing effect is average. The urea deicing agent is decomposed into ammonia, calcium nitrate and magnesium salt. The deicing agent contains nitrate, which makes the water body eutrophic. Alcohol deicing agents such as ethylene glycol and glycerin enter the water body to decompose ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K3/18
CPCC09K3/18C09K3/185
Inventor 程新川徐志俊文胜利冯露
Owner 湖北力泰环保科技有限公司
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