Dual phase extraction: Comprehensive cleanup for complex sites.
Address both soil and groundwater contamination with an innovative approach tailored to your site’s unique challenges.
A dynamic solution for contaminated sites.
Dual Phase Extraction (DPE) is a versatile remediation technology designed to address challenging contamination scenarios involving both soil and groundwater. By simultaneously extracting soil vapor and liquid-phase contaminants, DPE provides a comprehensive cleanup strategy for complex sites. Whether the contamination is the result of historical industrial activities or accidental releases, this solution is ideal for sites where contamination spans multiple media.
The science behind dual phase extraction
Dual Phase Extraction (DPE) is a highly effective remediation technology that simultaneously addresses both soil and groundwater contamination. By combining soil vapor extraction and liquid-phase extraction, this method removes volatile organic compounds (VOCs), petroleum hydrocarbons, and other contaminants from the subsurface, ensuring a more comprehensive cleanup. This dual approach maximizes efficiency and minimizes cleanup timelines while providing a cost-effective solution for complex sites.
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Soil Vapor Extraction (SVE):
- A vacuum is applied to the subsurface to remove volatile organic compounds in vapor form. This process targets contamination trapped in soil pores, effectively reducing harmful vapors that could otherwise migrate to the surface or groundwater.
- By eliminating soil vapors, the method prevents vapor intrusion into buildings, improving air quality and reducing health risks.
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Liquid-Phase Extraction:
- Pumps are used to extract contaminated groundwater or free-phase liquids, such as oil or gasoline. This process helps lower contamination levels in the saturated zone, preventing further spreading of pollutants.
- Groundwater extraction also reduces hydraulic pressure, which can inhibit contaminant migration.
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Above-Ground Treatment:
- Both extracted vapors and liquids are treated above ground using technologies such as air strippers, activated carbon, or chemical treatment to neutralize contaminants.
- Once treated, the cleaned water may be discharged back into the environment, reused, or disposed of according to regulatory standards.
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Simultaneous Operation:
- The real strength of DPE lies in its simultaneous operation. By addressing soil vapor and liquid-phase contamination at the same time, this approach reduces the overall time required for remediation and ensures a more thorough cleanup.
Dual Phase Extraction stands out as a powerful solution for sites with complex contamination profiles, offering comprehensive results that target multiple pathways of pollution. Its efficiency, adaptability, and effectiveness make it a preferred choice for challenging remediation projects.
Is your site a candidate for dual phase extraction?
Dual Phase Extraction is not a one-size-fits-all solution. It works best under specific site conditions that maximize its effectiveness. If your site meets these characteristics, DPE could be the optimal remediation technology for your needs.
- Geology: Works well in permeable soils, such as sands and gravels, where vacuum and pump systems can efficiently extract contaminants.
- Land Use: Suitable for active industrial or commercial sites where other remediation methods may disrupt operations.
- Time Constraints: Ideal for expedited cleanups where time is of the essence and a multi-phase approach is necessary.
- Contaminants: Effective for removing volatile organic compounds (VOCs), semi-volatile organic compounds (SVOCs), and separate-phase liquids like petroleum hydrocarbons.
Why choose dual phase extraction?
Dual Phase Extraction is a proven technology offering multiple advantages for site remediation. Its ability to address complex contamination scenarios efficiently makes it a go-to solution for challenging environmental issues.
- Comprehensive Cleanup: Simultaneously targets both soil and groundwater contamination for a more thorough remediation process.
- Accelerated Results: Dual extraction ensures faster cleanup compared to single-phase methods, saving time and resources.
- Minimal Disruption: Ideal for sites where ongoing operations cannot be interrupted, providing a seamless remediation process.
- Cost-Effective: Combines two remediation processes into one, reducing overall project costs and timelines.
- Adaptability: Effective for a wide range of contaminants and adaptable to various site conditions.
Your questions about dual phase extraction answered.
Have questions about how Dual Phase Extraction works and whether it’s the right solution for your site? We’ve got you covered.
What types of contaminants can DPE address?
DPE is effective for VOCs, SVOCs, and separate-phase liquids like petroleum hydrocarbons.
How long does a typical DPE project take?
Cleanup timelines vary, but DPE often accelerates the process compared to other remediation methods.
Is DPE disruptive to ongoing site operations?
No, DPE is designed to minimize disruption, making it ideal for active commercial or industrial sites.
What site conditions are best for DPE?
Permeable soils like sands and gravels are optimal for DPE, allowing efficient extraction of contaminants.
What happens to the extracted contaminants?
Extracted vapors and liquids are treated and neutralized above ground for safe disposal.
Can DPE handle large-scale contamination?
Yes, DPE is scalable and can address contamination over large areas or complex sites.
How does DPE compare to other remediation methods?
DPE offers faster and more comprehensive results by addressing both soil and groundwater contamination simultaneously.
What’s the cost of implementing DPE?
Costs vary by site, but combining two remediation processes into one often reduces overall expenses.
