Nano Iron s.r.o.

Full-scale application of nZVI: mixed contamination of chromium and chlorinated solvents

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Source: Nano Iron s.r.o.

Kara Trutnov Site: successful reduction of mixed contamination of chromium and chlorinated organics

Remediation company EKORA in collaboration with company NANO IRON, producer of zerovalent iron nanoparticles (nZVI), conducted pilot injection of surface stabilized nanoparticles of elemental iron (NANOFER 25S) and their subsequent full-scale application to eliminate groundwater contamination of chlorinated hydrocarbons (CHCs) and hexavalent chromium (Cr6+) at KARA Trutnov site in Czech Republic.

Common remediation methods including pump and treat, venting, and permanganate ISCO has been previously used at the site. The main contamination plume was eliminated but as a result, Cr6+ was mobilized from the bedrock. Therefore, nZVI was chosen for the subsequent laboratory tests and proved to be most suitable for the further treatment of this contaminated site.

Full-scale application of nZVI: mixed contamination of chromium and chlorinated solvents

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