Nanoscale Zero Valent Iron for Contaminated Site Remediation
The application of nano-zero-valent iron(nZVI)for groundwater remediation has been investigated since the late 1990s because of its potential to reduce subsurface pollutants such as PCBs,chlorinated solvents,and heavy metals.Due to its high reactivity,nZVI has shown great promise in the environmental sector,therefore,numerous laboratory and field studies have been carried out to evaluate its effectiveness.This paper provides a comprehensive review of nZVI technology,mainly analyzes the reaction path of nZVI with chlorinated solvents and the influencing factors that affect the reactivity of nZVI with chlorinated solvents,and emphasizes the optimization of its work for underground remediation.
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