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Method for preparing calcium-magnesium acetate by utilizing steel slag

A technology of calcium magnesium acetate and steel slag, which is applied in the direction of carboxylate preparation, carboxylate preparation, chemical instruments and methods, etc., can solve the problems of endangering farmland, water sources and green belts, denudation damage, high price, etc., and achieves formula and simplicity , Simple production process, easy to popularize and apply

Inactive Publication Date: 2014-06-18
福建源鑫环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, chlorine salt deicing salts will harm farmland, water sources and green belts, and will cause serious corrosion and erosion damage to large public infrastructure, as well as vehicles, airplanes and other vehicles
[0004] Organic deicing salt has no corrosive effect on infrastructure, and has little harm to farmland, water sources and green belts. It is an environmentally friendly deicing salt or snow melting agent, but because of its high price, it is only used in small quantities in airports, golf courses and other places

Method used

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  • Method for preparing calcium-magnesium acetate by utilizing steel slag

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] (1) Steel slag / acetic acid mass ratio=1.0:1;

[0016] (2) The concentration of acetic acid is 15%;

[0017] (3) Reaction conditions: temperature is 20°C; reaction time is 4h.

Embodiment 2

[0019] (1) Steel slag / acetic acid mass ratio=1.5:1;

[0020] (2) The concentration of acetic acid is 10%;

[0021] (3) Reaction conditions: temperature is 30°C; reaction time is 8h.

Embodiment 3

[0023] (1) Steel slag / acetic acid mass ratio=2:1;

[0024] (2) The concentration of acetic acid is 10%;

[0025] (3) Reaction conditions: temperature is 40°C; reaction time is 2h.

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Abstract

The invention belongs to the technical field of civil engineering and in particular relates to a method for preparing calcium-magnesium acetate by utilizing steel slag. Calcium-magnesium acetate is prepared through reaction between an acetic acid solution and the steel slag, wherein the mass ratio of the steel slag to acetic acid is (1-3):1. The aim of automatically melting ice and snow can be achieved by directly spraying the calcium-magnesium acetate product (water aqua or solid powder) onto roads, bridges, airfield runways and the like. The method is simple in formula and production process and is easy to popularize and apply.

Description

technical field [0001] The invention belongs to the technical field of civil engineering, and in particular relates to a method for preparing calcium magnesium acetate by using steel slag. Background technique [0002] In order to prevent traffic accidents and traffic jams caused by ice and snow on the surface of traffic facilities such as highways, roads, bridges and airport runways in winter, most of them use salt or deicing agent to quickly deicing and melting snow. The deicing mechanism of deicing salt on the road surface is: when the salt dissolves in water, salt water is formed. The salt water is lower than the freezing point of water, which will melt the ice and snow around it. The melted snow water will increase the salt water, and the salt water will make the surrounding More snow and ice melt, and the process continues until the snow is completely melted or the brine is too diluted to melt the snow any further. [0003] At present, due to cost-effective reasons, t...

Claims

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Application Information

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IPC IPC(8): C07C53/10C07C51/41C09K3/18
CPCC07C51/412C09K3/185C07C53/10
Inventor 杨全兵陈必松陈尚鸿陈尚霖
Owner 福建源鑫环保科技有限公司
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