BioGeoChemical Reduction Solution (BGCR-S) BGCR-S combines physical, chemical, and microbiological (i.e. biogeochemical) processes to create strong reducing conditions that achieve rapid contaminant destruction by abiotic and biotic reduction in a purely soluble form.
BGCR contains soluble iron, a variety of soluble donors, oxygen scavenger, nutrients, and Vitamin B12 for biostimulation of anaerobes in groundwater for the bioremediation of chlorinated solvents, nitrate, some metals including Arsenic and Hexavalent Chromium, nitrated explosives and hydrocarbons.
Want flexibility or to design your own product? No problem!
BGCR-S is engineered to order. With CERES as your supplier and partner, you may decide you want to include ferrous sulfate or other sulfate chemistries, buffering agents, or other chemistries to achieve optimal bio-geo-chemical reduction performance characteristics that are 100% based on site specific conditions. This is not an off the shelf blend, so you can be confident it will work best for your site.
Up to 10% Zero Valent Iron (ZVI) that is colloidal scale can be included to engage more robust chemical reduction. ZVI size range from as low as 1 μ with a median range of 4 μ.
You may consider site specific conditions (geology, hydrogeology, geochemistry and redox conditions, long term performance goals) and the injection or mixing methods of emplacement desired before finalizing your desired mixture of reagents and their physical properties. CERES provides technical support and guidance on optimization of the product performance by selecting the appropriate materials with the optimal physical and chemical properties to match the project requirements and site-specific conditions. This results in optimal performance and the most rapid reduction rates. Ask us about reducing time of remediation at low permeability sites!
CERES has supported many clients with ZVI for ISCR projects around the world for many years with great success and proud to say that customer goals are being achieved at every site!
Would you like a quote for your project or a sample of one of our zero valent iron products? We can help –
Physical Properties
Form: Fine Powder
Density: 0.6-1.4 g/cm3
Odor: Odorless
Solubility in Water: soluble
Color: white to Grey
No problem! we can make whatever you like with the specifications of your choice so that you get the best possible distribution and performance to achieve your remediation objectives with the injection or mixing tools of your choice. We are ready to help you achieve your goals!
Colloidal and ultra-fine micron Zero Valent Iron (ZVI) is available in nitrogen sealed packaging in multiple size ranges and multiple grades including high surface area Sponge Iron, high reactivity atomized iron and high sphericity carbonyl iron. The colloidal 4µm ZVI is commonly mixed with EVO and ready to inject at low pressure. C.E.R.E.S. offers small droplet EVO that is less than 1 micron in scale and readily mixes easily without the need of guar or complicated mixes. Just mix onsite and it’s ready to inject in target source areas or along permeable treatment zones for groundwater boundary control remediation designs. Or we can premix and ship ready to go!
Colloidal to Ultra Fine Size Options: <4 µm, 10 µm, 15 µm, and 35 µm.
BioGeoChemical Reduction Solution (BGCR-S) is Applicable to Treatment of Many Contaminants Including:
Arsenic (As) |
Hexavalent Chromium (CrVl) |
Cadmium (Cd) |
Selenium (Se) |
Other metals and metalloids |
Chlorinated Solvents |
Carbon-Tetrachloride |
Energetics like TNT, DNT, RDS, HMX and Perchlorate |
Technetium |
Pesticides |
Nitrate |
High Sulfate Sites |
Polychlorinated biphenyls (PCBs) |
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