Chemical oxidation, commonly referred to as Chemox, is a robust remediation technology employed to degrade a wide spectrum of environmental contaminants in soil and groundwater. This process involves introducing strong oxidizing agents that react with pollutants, transforming them into less harmful compounds, thereby mitigating environmental hazards.
Transform Contaminated Sites – Effectively and Safely
At TRIUM Environmental, we bring cutting-edge Chemical Oxidation (Chemox) technology to life. Designed for the rapid and effective degradation of contaminants, Chemox is your solution for transforming polluted soil and groundwater into safe, sustainable resources.
In Chemox remediation, oxidizing agents such as hydrogen peroxide, permanganate, or persulfate are introduced into the contaminated medium. These agents generate reactive species, notably hydroxyl radicals (·OH), which are highly effective in breaking down complex organic molecules. The general reaction can be represented as:
Contaminant + Oxidant → Oxidized By-products (e.g., CO₂, H₂O)
The selection of the appropriate oxidant is critical and depends on factors such as the type of contaminant, site conditions, and remediation goals.
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Chemical reactions occur swiftly, often reducing contaminant concentrations in a matter of weeks to months.
Chemox can be applied directly to the contaminated site, minimizing the need for excavation or transport of hazardous materials.
Chemox is effective against a wide range of organic contaminants.
Evaluating site-specific parameters to determine the most effective oxidizing agents and delivery methods.
Developing site-specific remediation plans that consider the nature and extent of contamination, hydrogeology, and regulatory requirements.
Utilizing state-of-the-art injection methods to ensure optimal distribution and contact between oxidants and contaminants.
Implementing rigorous monitoring protocols to assess treatment efficacy and ensure the achievement of remediation goals.
At TRIUM Environmental, we have extensive experience in designing and implementing Chemox remediation strategies tailored to the unique conditions of each site. This is because this technology is a trademark of Trium Environmental Inc. and so we surpass all other service providers for Chemox.
Our team of experts is dedicated to employing the latest advancements in chemical oxidation to provide efficient, cost-effective, and environmentally responsible remediation solutions. By leveraging our deep understanding of Chemox technology, we help clients navigate complex environmental challenges and achieve regulatory compliance.
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Chemox is versatile and can address various contaminants, including:
Such as benzene, toluene, ethylbenzene, and xylenes.
Including trichloroethylene (TCE) and tetrachloroethylene (PCE).
Such as atrazine and alachlor.
Including phenols and polycyclic aromatic hydrocarbons (PAHs).
An in-situ chemical oxidation (ISCO) remediation was conducted at a former wellsite sump in Barrhead, Alberta to address BTEX, F1, and F2 contamination in 645 m³ of impacted soil and 3,000 m³ of impacted groundwater. Due to shallow groundwater and a saturated silty sand lithology, excavation was limited, requiring targeted in-situ treatment. A 0.75-meter injection radius was used for soil treatment via 40 injection points, delivering 28,000 liters of 10-15% MFR (modified Fenton’s reagent) over five days, while groundwater remediation involved 13 wells, injecting 60,000 liters over two events spanning 20 days. Using TRIUM’s TriOx process, the project achieved a >90% contaminant reduction, meeting regulatory guidelines within a short treatment timeframe.
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