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Determining the Ice-binding Planes of Antifreeze Proteins by Fluorescence-based Ice Plane Affinity
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Evaluation and Selection of De-Icing Salt Based on Multi-Factor.

Guoju Ke1, Jun Zhang2, Bo Tian3

  • 1Department of Civil Engineering, Tsinghua University, Beijing 100084, China. kgj17@mails.tsinghua.edu.cn.

Materials (Basel, Switzerland)
|March 22, 2019
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Summary

Choosing the right de-icing salt is crucial. This study found that while some salts excel at de-icing, they can harm concrete and plants. Magnesium chloride and calcium magnesium acetate showed the least plant impact.

Keywords:
analytic hierarchy processconcrete peeling amountde-icing abilityoptimal itemplant drying rate

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Area of Science:

  • Environmental Science
  • Materials Science
  • Civil Engineering

Background:

  • De-icing salts mitigate traffic issues but cause concrete corrosion and plant damage.
  • Selecting appropriate de-icing agents is critical for infrastructure and environmental protection.

Purpose of the Study:

  • To evaluate the de-icing effectiveness, concrete corrosion, and plant impact of various de-icing salts.
  • To determine optimal de-icing salt choices using the analytic hierarchy process (AHP).

Main Methods:

  • Comprehensive testing of de-icing ability, concrete corrosion, and plant growth effects.
  • Application of the analytic hierarchy process (AHP) for decision-making.

Main Results:

  • Optimal de-icing performance varied with salt concentration.
  • 3% concentration de-icing salts exhibited the highest concrete corrosion rates.
  • Magnesium chloride and calcium magnesium acetate demonstrated minimal plant impact.

Conclusions:

  • Ethylene glycol and calcium magnesium acetate were identified as optimal de-icing solutions based on prioritized criteria.
  • A balanced approach considering de-icing efficacy, material compatibility, and ecological impact is essential.