Redirecting Research on Fe 0 for Environmental Remediation: The Search for Synergy

Rui Hu and Chicgoua Noubactep
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Rui Hu: School of Earth Science and Engineering, Hohai University, Fo Cheng Xi Road 8, Nanjing 211100, China
Chicgoua Noubactep: Department of Applied Geology, Universität Göttingen, Goldschmidtstraße 3, D-37077 Göttingen, Germany

IJERPH, 2019, vol. 16, issue 22, 1-10

Abstract: A survey of the literature on using metallic iron (Fe 0 ) for environmental remediation suggests that the time is ripe to center research on the basic relationship between iron corrosion and contaminant removal. This communication identifies the main problem, which is based on the consideration that contaminant reductive transformation is the cathodic reaction of iron oxidative dissolution. Properly considering the inherent complexities of the Fe 0 /H 2 O system will favor an appropriate research design that will enable more efficient and sustainable remediation systems. Successful applications of Fe 0 /H 2 O systems require the collective consideration of progress achieved in understanding these systems. More efforts should be made to decipher the long-term kinetics of iron corrosion, so as to provide better approaches to accurately predict the performance of the next generation Fe 0 -based water treatment systems.

Keywords: environmental remediation; iron corrosion products; reaction mechanism; water treatment; zero-valent iron (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2019
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