Nitrate Remediation
Hepure provides zero valent iron and biological treatment products for remediation of nitrate-contaminated groundwater.
About Nitrate Contamination
Nitrate contamination in groundwater is a widespread environmental concern, primarily originating from agricultural runoff (fertilizers), septic systems, animal waste, and industrial sources. Elevated nitrate levels in drinking water pose health risks, particularly for infants (methemoglobinemia or “blue baby syndrome”). The EPA maximum contaminant level (MCL) for nitrate in drinking water is 10 mg/L as nitrogen.
ZVI Treatment of Nitrate
Zero valent iron reduces nitrate (NO3⁻) to ammonium (NH4⁺) or nitrogen gas (N2) through abiotic chemical reduction. Hepure’s Ferox ZVI products can be deployed in permeable reactive barriers or via injection to treat nitrate-contaminated groundwater plumes.
Biological Denitrification
Under anaerobic conditions, denitrifying bacteria convert nitrate to nitrogen gas. Hepure’s emulsified vegetable oil and sodium lactate provide electron donors to support anaerobic microbial communities that perform biological denitrification.
Hepure Nitrate Treatment Products
- Ferox ZVI (PRB, Flow) — abiotic nitrate reduction
- Emulsified Vegetable Oil — electron donor for biological denitrification
- Sodium Lactate — fast-release electron donor
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