In-Situ Bio-Stimulation Services
It is not unusual for a chemical oxidation injection to provide an extended period of elevated dissolved oxygen in the treated groundwater. Dissolved Oxygen, or DO, is often the limiting factor in the population of hydrocarbon consuming aerobic bacteria. Residual DO can and does provide for a subsequent bloom of aerobic bacteria in the groundwater. However, real life experience and bench scale test results indicate that within a certain range of contamination, the addition of oxygen release compounds can provide the primary mechanism for hydrocarbon degradation. Our experience in the field and in the laboratory allows us to help our clients determine when this mechanism can best be employed and exploited for contaminant reduction.
The stimulation of reducing bacteria is often an e...
The stimulation of reducing bacteria is often an effective mechanism of contaminant reduction, especially in regard to degradation of recalcitrant chlorinated solvents. We have used a wide range of reducing materials in full scale events, pilot tests and bench tests.
Many industrial sites have a combination of chlorinated solvents and the problem is to determine the remedial material that can best address all of the materials and their potential daughter products. This is where bench testing of the site materials can save money and help prevent the creation of a more hazardous condition in the subsurface.
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