In the process of rapid development of the industrial industry,the production of industrial waste salt has also increased rapidly,and how to effectively deal with a large amount of waste salt has become a key problem to be solved in the field of environmental protection and resource recovery.The sources,characteristics and environmental hazards of industrial waste salt are reviewed,and the current research progress of industrial waste salt separation and purification technology are analyzed,including physical method,chemical method and biological method.Through a comprehensive analysis of the principles,advantages and disadvantages of different technologies,the future research directions in the field of industrial waste salt recycling are prospected,which provides useful reference information for related research.
industrial waste saltseparation and purificationprospects
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