Chemical Oxidation
Chemical oxidation is a process that uses oxidising reagents to break down hazardous contaminants in soil and groundwater. Common reagents used in the UK include hydrogen peroxide, potassium permanganate, and sodium persulfate. We select the appropriate oxidising agent based on the type and concentration of contaminants and site-specific conditions. This method effectively converts harmful substances into harmless by-products.
contaminants
- Volatile organic compounds (VOCs)
- Semi-volatile organic compounds (sVOCs)
- Petroleum hydrocarbons
- Chlorinated solvents
- Polycyclic aromatic hydrocarbons (PAHs)
Techniques
- In-situ chemical oxidation (ISCO)
- Ex-situ chemical oxidation
- Typical Chemicals Used in the UK
- Hydrogen peroxide (H₂O₂)
- Potassium permanganate (KMnO₄)
- Ozone (O₃)
- Sodium persulfate (Na₂S₂O₈)
Selection Criteria
- Contaminant type and concentration
- Soil and groundwater characteristics
- Presence of natural oxidant demand
Unit 8, Commerce Park, Brunel Road, Theale, READING, RG7 4AB
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