32 Articles found

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  • Bioremediation Following Dual Phase Extraction Saves Hundreds of Thousands of Dollars

    Bioremediation Following Dual Phase Extraction Saves Hundreds of Thousands of Dollars

    CL-Out® bioremediation was implemented at a dry cleaners site in Houston, Texas to reduce concentrations of residual PCE and other chlorinated solvents in groundwater following dual phase vacuum extraction.  After application of CL-Out® ...

    Michael Saul

  • CL-Out  In Situ Bioremediation of Perchlorate

    CL-Out In Situ Bioremediation of Perchlorate

    CL-Out is a consortium of facultative aerobic organisms that are well know for their ability to utilize nitrates.  CL-Out is generally used for the aerobic cometabolism of PCE and other chlorinated solvents.  As the half-reaction for ...

    Michael T. Saul

  • PCE and TCE Aerobic Cometabolic Pathways

    PCE and TCE Aerobic Cometabolic Pathways

    Aerobic cometabolism of PCE and TCE using the proprietary blend of cultures in CL-Out has been successful at numerous field applications without a full understanding of the metabolic pathways.  Recent microcosm studies have shown that ...

    Michael Saul

  • Accelerated Petrox® Bioremediation of Naphthalene and Methylnaphthalene Isomers

    Accelerated Petrox® Bioremediation of Naphthalene and Methylnaphthalene Isomers

    Petrox bioaugmentation was implemented at a former gas station UST removal site in Miami, Florida to destroy residual petroleum compounds in ground water.  The UST and contaminated soil were removed.  The residual ground water ...

    Michael T. Saul

  • Munox SR Remediates Oil Seepage on Caribbean Island

    Munox SR Remediates Oil Seepage on Caribbean Island

    Munox SR bioaugmentation remediated petroleum seepage on a Caribbean Island by NRG Save of Toronto.  For several years on-going surface seepage from a crude petroleum leak was collected in a pit to prevent further surface flow.  Recently, ...

    Michael T. Saul

  • Bioaugmentation Following ISCO Treatment

    Bioaugmentation Following ISCO Treatment

    CL-Out bioaugmentation was implemented following ISCO treatment of TCE-contaminated ground water.  Through bioaugmentation the ground water remediation was complated and ground water conditions were restored in 30 days. Background The ...

    Michale T. Saul

  • Bench-Scale Comparison Between CL-Out Cometabolism and Methane Cometabolism

    Bench-Scale Comparison Between CL-Out Cometabolism and Methane Cometabolism

    A bench-scale treatability study was completed by an independent laboratory to compare the relative effectiveness of methane and CL-Out® cometabolism. Three microcosms were set up in triplicate using TCE-contaminated ground water. Methane was ...

    Michael T. Saul

  • Case Study of Petrox® Bioaugmentation to Remediate Pesticides in Ground Water to Part Per Trillion Concentrations

    Case Study of Petrox® Bioaugmentation to Remediate Pesticides in Ground Water to Part Per Trillion Concentrations

    This case study of bioaugmentation demonstrates that Petrox bioaugmentation can achieve the very low remediation goals set for pesticides in ground water – quickly and cost effectively.  After three injections of Petrox®, the ...

    Michael T. Saul

  • Petrox Bioremediation of Oil Pipeline Leak

    Petrox Bioremediation of Oil Pipeline Leak

    Petrox bioremediation was used to treat unrefined oil that leaked from a pipeline in Texas.  The oil migrated from the impacted soil into ground water and seeped into the surface water in a nearby river.  After one application of ...

    Michael Saul

  • Case Study: Aerobic Cometabolism of Vinyl Chloride in Central Ohio

    Case Study: Aerobic Cometabolism of Vinyl Chloride in Central Ohio

    Site Summary: Chlorinated solvents were found in ground water at a former automobile repair shop. The solvents were thought to have been released from an underground storage tank (UST). After the UST and associated contaminated soil were removed, ...

    Michael T. Saul

  • Bioaugmentation by horizontal injection to remediate petroleum in tight soils

    Bioaugmentation by horizontal injection to remediate petroleum in tight soils

    In situ remediation is a contact sport, requiring contact between the microbes and contamination. Clay-rich soils are particularly challenging as the low permeability limits effective distribution of inoculants. While numerous closely-spaced ...

    Michael T. Saul

  • A Feasibility Study for Assessment of In-situ Bioremediation Potential of a Crude Oil Degrading Pseudomonas Consortium

    A Feasibility Study for Assessment of In-situ Bioremediation Potential of a Crude Oil Degrading Pseudomonas Consortium

    Following is a link and abstract for an article published in the Journal for Scientific Research wherein a Pseudomonas consortium isolated from a site contaminated with crude oil was applied and effectively used to remediate the same contaminated ...

    A. Mittal, P. Singh

  • PCE Cometabolism Case Study - Dry Cleaning Site Remediation in Less Than 9 Months

    PCE Cometabolism Case Study - Dry Cleaning Site Remediation in Less Than 9 Months

    Dry cleaning solvents were found in the ground water adjacent to a dry cleaning facility located in a commercial shopping center. Most of the mass of ground water contamination had migrated under adjacent businesses, which restricted access for ...

    Michael T. Saul

  • The advantages and benefits of aerobic cometabolism

    The advantages and benefits of aerobic cometabolism

    Aerobic metabolism yields the energy-transferring molecule TPA at a much higher rate than anaerobic metabolism. The higher energy yield produces a greater viable population. The oxygenase enzymes involved in the cometabolism of chlorinated solvents ...

    Michael T. Saul

  • Oil field, Southeast, USA

    Oil field, Southeast, USA

    PETROX AEROBIC BIOREMEDIATIONDEGRADATION OF OIL-FIELD WASTE Petrox is a specialty bioremediation product comprised of patented strains of live vegetative aerobic microorganisms providing fast, effective degradation of petroleum hydrocarbons. The ...

  • Petrox remediation of leaking underground storage tanks (USTs)

    Petrox remediation of leaking underground storage tanks (USTs)

    Petrox is widely used to remediate soil and ground water contaminated by fuels and chemicals leaking from underground storage tanks (USTs). In many cases the UST removal contractor will treat residual contamination in the excavation after the ...

  • BTEX remediation in groundwater

    BTEX remediation in groundwater

    BTEX contamination in groundwater from a leaking underground storage tank was cost-effectively treated with two applications of Petrox. This project demonstrates the rapid degradation of petroleum components when high populations of Petrox aerobic ...

  • Oregon (ODEQ) comparative pilot study

    Oregon (ODEQ) comparative pilot study

    Comparison of Enhanced Bioremediation to Stimulated Bioremediation In the winter of 2001 the Oregon Department of Environmental Quality (ODEQ) along with the State Coalition for the Remediation of Dry Cleaners organized a field comparison of two ...

  • MTBE cleanup in Dunedin, Florida

    MTBE cleanup in Dunedin, Florida

    Field data from an MTBE cleanup in Dunedin, Florida, revealed reductions of MTBE from 1,700 ppb to 250 ppb in just two weeks. Within about 4 months, MTBE levels were reduced to 31ppb. After 7 months, the MTBE levels were 0 ppb. Over the same 7-month ...

  • Drycleaner site: Houston, Texas

    Drycleaner site: Houston, Texas

    Site Summary: Historical dry cleaning solvent spills from an active dry cleaners contaminated soil and ground water under a shopping center. The migration of contaminants in shallow ground water spread contamination from under the building into a ...