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Environmental impacts of chloride-based deicing salt and research progress of its alternative materials
CHEN Zong-wei
China Academy of Transportation Sciences, Beijing 100029, China
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Abstract  

Negatively environmental impacts of traditional chloride-based deicing salt have become increasingly obvious.The environmentally friendly alternative materials with advantages of low cost,valid snow melting,weak environmental impact are urgently to be developed.This paper reviews the current status of applications,mechanism of environmental impacts on soil-water-plant,and metal corrosion on transport infrastructure of the chloride-based deicing salt.The research progress and applications of non-chloride and mixed alternative snowmelt agent materials are described in detail.Development of environmentally friendly deicing salt and effective countermeasures on alleviating deicing salt environmental influences are presented,in the hope of settling the problems in developing and applying deicing salt alternatives.

Key wordsDeicing salt      chloride      environmental impacts      metal corrosion      environment-friendly     
Received: 25 October 2011     
:  Q948  
  Q14  
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CHEN Zong-wei
Cite this article:   
CHEN Zong-wei. Environmental impacts of chloride-based deicing salt and research progress of its alternative materials[J]. , 2011, 30(5): 556-561.
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http://www.ecolsci.com/EN/     OR     http://www.ecolsci.com/EN/Y2011/V30/I5/556
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