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Anaerobic Dechlorination

AT CCC WE PROVIDE THE RIGHT ANAEROBIC DECHLORINATION SOLUTION TO HELP YOU SUCCEED

We are proud to offer a large selection of Regenesis top quality aerobic biodegradation innovative solutions that will take you to the next level:

3-D Microemulsion® is an injectable liquid material specifically designed for in situ remediation projects where the anaerobic biodegradation of chlorinated compounds through the enhanced reductive dechlorination (ERD) process is possible. ERD is the primary anaerobic biological process by which problematic chlorinated solvents such as tetrachloroethylene (PCE) and trichloroethene (TCE), dichloroethene (DCE), and vinyl chloride (VC) in groundwater are biologically transformed into less harmful end products such as ethene.

HRC is an engineered, hydrogen release compound designed specifically for enhanced, in situ anaerobic bioremediation of chlorinated compounds in groundwater or highly saturated soils. Upon contact with groundwater, this viscous, poly-lactate ester material becomes hydrated and subject to microbial breakdown producing a controlled-release of hydrogen for periods of up to 18-24 months on a single application. HRC enables enhanced anaerobic biodegradation by adding hydrogen (an electron donor) to groundwater and/or soil to increase the number and vitality of indigenous microorganisms able to perform the naturally occurring process of enhanced reductive dechlorination. During this process, certain naturally occurring microorganisms replace chlorine atoms on chlorinated contaminants with the newly available hydrogen effectively reducing the contaminant to a less harmful substance with the preferred and innocuous endpoints of ethane or ethane.

HRC Primer is a thinner, less viscous, hydrogen release compound that is injected into groundwater to stimulate anaerobic biodegradation by releasing lactic acid over a period of several weeks (rates faster than standard HRC). These rates are however slower and more controlled than those of simple sugar solutions or straight lactic acid which can be exhausted after several days. HRC Primer is typically recommended where high levels of competing electron acceptors (CEAs), primarily sulfate, exist and should be reduced to “prime” the anaerobic subsurface for a more successful, cost-effective 3-D Microemulsion, HRC or HRC-X application.

HRC-X is a more robust and viscous version of Hydrogen Release Compound (HRC), it is designed to stimulate anaerobic biodegradation by providing an extended-release of electron donor material for periods of up to 5 years or more on a single application. With an additional 3+ years of hydrogen releasing capability when compared to standard HRC, HRC-X is suitable for treating sites with higher dissolved-phase concentrations (including residual DNAPL) where it can be effective in driving biological mechanisms such as desorption and dissolution. HRC-X may also be instrumental in treating sites where only a single remediation treatment application is possible and there is a need to maximize the treatment longevity.

Contact us now for technical support and product recommendations.