enhanced aerobic bioremediation Articles

  • Enhanced Bioremediation of TPH with IXPER® case study

    This remediation has been conducted after removing of leaking underground storage tanks from a former gasoline service station in Bethalto, Illinois, and limited source area excavation and air-site disposal of petroleum-contaminated soils. Dissolved petroleum constituents in excess of state reguatory standards were still observed in the groundwater. It was estimated that the remaining ...


    By Solvay

  • Replacement of P&T with ORC Advanced Reduces Cost to Closure

    Site Summary Two leaking USTs resulted in soil and groundwater contamination at a service station in Michigan. Naphthalene, trimethylbenzene (TMB) and BTEX contamination were discovered in the subsurface prompting the need for remedial cleanup. Michigan DEQ began remediation via UST removal and soil excavation. A total of 4,000 cubic yards of contaminated soil was removed. A pump and treat ...


    By Regenesis

  • Waterloo Emitters used for Bioremediation Study in High Temperature Saline Groundwater

    A study was undertaken to determine the success for aerobic bioremediation of aromatic hydrocarbons (BTEX) and MTBE (methyl tert-butyl ether) in high temperature, saline groundwater conditions. The study included laboratory microcosm experiments, as well as a field trial in Saudi Arabia, in which Solinst Waterloo Emitters were used. To view the full paper published about this study, please visit ...


    By Solinst Canada Ltd.

  • In-situ Aerobic Bioremediation of Recalcitrant Organics: A Case Study Demonstrating Benefits and Potential Limitations

    Abstract A history of spills and/or releases at two adjacent dry cleaning facilties in the Houston, Texas area resulted in significant soil and shallow ground-water contamination. The soils at the adjacent properties (collectively called 'the Site') are relatively permeable allowing for rappid vertical migration at the source area(s) and lateral migration in the shallow ground water. The ...


    By CL Solutions, LLC

  • Enhanced Aerobic Bioremediation of Petroleum UST Releases in Puerto Rico.

    Abstract: Releases of petroleum compounds from underground storage tanks (USTs) containing diesel fuel and gasoline are a serious and increasingly prevalent problem in Puerto Rico. Remediation of groundwater impacted by these releases utilizing common methodologies can be quite costly and require long periods of time to implement. Oxygen is often the limiting factor retarding optimal ...


    By Regenesis

  • Bioslurping - Technology Overview

    ABSTRACT Bioslurping involves the simultaneous application of vacuum enhanced extraction/recovery, vapor extraction, and bioventing to address LNAPL contamination. Vacuum extraction/recovery is used to remove free product along with some groundwater, vapor extrac tion is used to remove high volatility vapors from the vadose zone, and bioventing is used to enhance aerobic biodegradation in the ...

  • Peroxygen Mediated Bioremediation of MTBE.

    ABSTRACT: Evidence is mounting, from laboratory and field studies, that oxygen plays a role in the bioremediation of methyl tertiary butyl ether (MTBE). Our experience with a number of commercial applications of peroxygen, in the form of Oxygen Release Compound (ORCâ), correlates the provision of enhanced aerobic conditions with enhanced MTBE biodegradation. Subsequent laboratory and field ...


    By Regenesis

  • Evaluation of Aerobic and Anaerobic Degradation of Pentachlorophenol in Groundwater (PDF)

    Bench-scale laboratory tests were conducted to evaluate and compare the enhanced bioremediation of pentachlorophenol (PCP) in groundwater under anaerobic and aerobic conditions. While tests under both conditions showed a significant reduction of PCP over the 3-month test period (greater than 90 percent reduction compared to 40 percent in controls), removal to concentrations below the 10 μg/L ...


    By Regenesis

  • Aerobic Cometabolism of Halogenated Aliphatic Hydrocarbons: A Technology Overview

    Untitled Document Abstract Bioremediation of chlorinated solvents has been moving from an innovative to mainstream technology for environmental applications. Cometabolism of chlorinated solvents by monooxygenase has been demonstrated for trichloroethylene (TCE) and dichloroethylene (DCE). Cl-out microbes combine the dehalogenation of PCE with the monooxygenase ...


    By CL Solutions, LLC

  • Enhanced Bioremediation

    Introduction Enhanced bioremediation is a process in which indigenous or inoculated micro-organisms (e.g., fungi, bacteria, and other microbes) degrade (metabolize) organic contaminants found in soil and/or ground water, converting them to innocuous end products. Nutrients, oxygen, or other amendments may be used to enhance bioremediation and contaminant desorption from subsurface materials. ...

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