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Economic environment-friendly snow melting agent and preparation method thereof

A deicing agent, economical technology, applied in carboxylate preparation, chemical instruments and methods, other chemical processes, etc., can solve the problems of metal corrosion of chloride salt deicing agents, high production cost of calcium and magnesium acetate, and achieve anti-corrosion performance Superior, superior anti-skid performance, good deicing effect

Inactive Publication Date: 2016-03-09
南京简氏环保技术有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an economical environment-friendly deicing agent and its preparation method, to solve the problems of high production cost of calcium magnesium acetate and metal corrosion of chloride salt deicing agents proposed in the background technology, and to be widely used

Method used

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Embodiment

[0020] The invention provides a technical solution: an economical environment-friendly deicing agent and its preparation method, which is characterized in that it mainly consists of the following raw materials: the low corrosive chloride salt of acetate and anti-corrosion agent are the main raw materials, and the main raw materials are: Prepared by weight, including calcium magnesium acetate 40-45%, magnesium acetate 20-25%, calcium acetate 10-25%, a certain proportion of calcium chloride 5-8% and a small amount of preservative 2.5-3.5% Prepared.

[0021] An economical and environment-friendly deicing agent and its preparation method are characterized in that: the calcium magnesium acetate, magnesium acetate and calcium acetate are prepared from waste acetic acid.

[0022] A preparation method for calcium magnesium acetate, characterized in that: the steps are as follows:

[0023] (1), extract acetic acid in acetic acid wastewater with trioctylamine;

[0024] (2) Dolomite li...

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Abstract

The invention discloses an economic environment-friendly snow melting agent and a preparation method of the economic environment-friendly snow melting agent. The economic environment-friendly snow melting agent is characterized by being mainly prepared from the following raw materials of acetate, low-corrosivity chloride and an anticorrosive which are taken as main raw materials, wherein the main raw materials are prepared from the following components in percentage by weight: 40 to 45 percent of calcium magnesium acetate, 20 to 25 percent of magnesium acetate and 10 to 25 percent of calcium acetate by adding 5 to 8 percent of calcium chloride in a certain proportion and 2.5 to 3.5 percent of anticorrosive. The economic environment-friendly snow melting agent and the preparation method of the economic environment-friendly snow melting agent, disclosed by the invention, have the advantages that the deicing performance is good, the freezing point is low, the corrosivity on materials such as metal and concrete of municipal infrastructures is small, the destructiveness on farmland and greening vegetation is extremely low, and the production technology is simple; due to the adoption of the preparation method for producing calcium acetate, magnesium acetate and calcium magnesium acetate by using waste acetic acid, the cost is effectively reduced, and the preparation method is suitable for being widely promoted.

Description

technical field [0001] The invention relates to an environment-friendly deicing agent and a preparation method thereof, belonging to the technical field of deicing agents, in particular to an economical and environment-friendly deicing agent and a preparation method thereof. Background technique [0002] Ice and snow in winter have always brought serious hidden dangers to traffic safety, and traffic accidents caused by ice and snow roads have caused huge economic losses and casualties. At present, snow removal methods are mainly divided into mechanical snow removal and chemical snow removal. [0003] Among them, mechanical snow removal is flexible, fast, and has a wide range of applications, but there are deficiencies such as poor removal rate and easy damage to the road surface; the snow removal method of chemical deicing agent can make up for the shortage of mechanical snow removal, and is an effective means of melting snow and ice. Its use is irreplaceable. The type and...

Claims

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Application Information

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IPC IPC(8): C09K3/18C07C53/10C07C51/41
Inventor 孙心淼
Owner 南京简氏环保技术有限公司
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