Bioremediation Articles

  • Remediation of Free Product with Horizontal Bioremediation Systems - Case Study

    Project Location: Northern New York Client: Private Corporation – Petroleum Distribution Center Contamination: Gasoline Site Size: 10+ Acres Project ...


    By Integrity Engineering, Inc.

  • Effects of phenol on sulfate reduction by mixed microbial culture: kinetics and bio-kinetics analysis

    Mixed microbial culture collected from the wastewater treatment plant of Indian Institute of Technology Guwahati (IITG) was further grown in anaerobic condition in presence of sulfate where lactate was added as a carbon source. Sulfate addition was increased stepwise up to 1,000 mg l−1 before phenol was added at increasing concentrations from 10 mg l−1 to 300 mg l−1. Kinetics ...


    By IWA Publishing

  • Kinetic study of Reactive Black 5 degradation by Fe2+/S2O82− process via interactive model-based response surface methodology

    This study aimed to kinetically discover optimal conditions on characteristics of Reactive Black 5 decolorization/degradation via ferrous (Fe2+)-activated potassium persulfate (PS). Monod-like kinetics and interactive model-based response surface methodology (RSM) were applied to fitting and predict optimize treatment. Biodegradability of the intermediates was also tested by ...


    By IWA Publishing

  • Preparation of slow-releasing oxygen materials and study on their properties

    Slow-releasing oxygen materials were prepared to overcome some limitations regarding the low dissolved oxygen (DO) concentration and the low efficiency of in-situ purification in groundwater. Tests on slow-releasing oxygen materials that could be used to change the reductive environment in groundwater by slowly releasing oxygen were carried out. Oxygen-releasing laboratory experiments were ...


    By IWA Publishing

  • Confirming Natural Attenuation Processes at a Coastal Site - Case Study

    Past waste disposal practices at a California coastal site resulted in a groundwater plume containing CVOCs (mainly chlorinated ethenes [CEs] and 1,1-dichloroethane) migrating offshore towards a marine harbor. CVOCs are present in the sediment porewater adjacent to the shoreline, but concentrations decreased significantly between 2000 and 2015, and NA in the marine sediments was suspected. To ...


    By SIREM

  • Dual bioremediation of phenol and Cr(VI) by mixed microbial cultures in the presence of molasses

    Simultaneous phenol and Cr(VI) bioremoval by two different mixed cultures, from petroleum-contaminated soil (PS) and boron-contaminated wastewater (BW), was investigated in regard to different culture media, pH levels (6–8), initial phenol (25–100 mg/L) and Cr(VI) (15–50 mg/L) concentrations. The optimum medium was found to be mineral salt medium tested, which contained 1% (v/v) molasses ...


    By IWA Publishing

  • Hydrocarbon Bioremediation – Cleaning fuels & motor oil spills on water - Case Study

    Background Nanobite Products proved how effective they are in hydrocarbon bioremediation on water with the almost total remediation in one week of fuel spills from abandoned cars. Read on… On March 30 2006, in Black Sod Bay in County Mayo, between 45 and 50 cars were transported from a neighbouring island destined for scrap. They were deposited at low tide on ...


    By Slick Solutions

  • Bioremediation of Antifreeze lakes at Airports - Case study

    Ethylene glycol (antifreeze), used to de-ice airplanes, is generally stored in lakes and holding ponds in or around airports. Poisonous to human beings and animal life if ingested, Nanobite can completely bioremediate this hydrocarbon in situ using a combination of liquid and powder ...


    By Slick Solutions

  • Feasibility study of in-situ bioremediation for nitrobenzene-contaminated groundwater

    Although many studies have simulated in-situ bioremediation of contaminated groundwater, most of them have not considered hydrochemical conditions and indigenous microorganisms, thus potentially rendering results inapplicable to actual in-situ groundwater bioremediation projects. This study focused on a nitrobenzene-contaminated groundwater site located in Jilin City, China. The actual ...


    By IWA Publishing

  • F4 Spill In Situ Bioremediation Applications

    F4 Completed an in situ water bioremediation program of Bio-ReClaim in northern Alberta; a pipeline leaked crude oil over a 14 hectare area in muskeg. Alberta Environment (AEP) allowed the in situ water application of Bio-Reclaim by F4 Environmental. Keeping in mind the application was performed without any ground disturbance and extremely cost effective compared to the ...


    By F4 Environmental Inc.

  • Bioremediation of methylene blue dye using Bacillus subtilis MTCC 441

    Methylene blue (MB) commonly found in the textile industry effluent has been chosen as a model dye to investigate bioremediation using Bacillus subtilis MTCC 441. Both free cells and calcium alginate immobilized cells have been used to remove MB from the effluent. The operating variables of initial concentration of dye (20–60 mg/L), inoculum size (4–8%) and temperature (25–35 °C) have been ...


    By IWA Publishing

  • Tracer test and behavior of selected pharmaceuticals

    Study of the behavior and transport of pharmaceuticals in groundwater is significant for understanding the processes of natural attenuation and potential use of filtration through the aquifer to evaluate the most effective way to remove pharmaceuticals that occur under anthropogenic influence. This paper presents the results of a field experiment at the location of the drainage system of ...


    By IWA Publishing

  • Using CoBupH MG to adjust aquifer pH - Case Study

    Problem A US Government site had elevated TCE. Low aquifer pH stalled in situ bioremediation. ...


    By EOS Remediation, LLC

  • An Introduction to Bioremediation and its Applications

    A variety of toxic chemicals, metals, and effluents are created and used in industrial processes. These elements need to be degraded to ensure that they do not harm the environment when disposed. A specialized process and equipment are required to perform this task. This is where bioremediation comes in. What is Bioremediation, and what are its Types? In simple ...


    By HPI Processes, Inc.

  • Case Study - Monitoring Natural Attenuation - Catalonia, Spain

    Researchers at Universitat de Barcelona and University of Waterloo made use of EnviroInsite's advanced data visualization capabilities to contour hot-spots of TCE contamination and carbon isotopes. The results from multi-level sampling devices were then shown on a x-section to illustrate the loss of PCE in the direction of flow and variability of PCE and TCE isotopes vertically across the ...


    By EI LLC

  • Gulo Env reports site closure at Site remediated by Delta's BioLogix

    Delta had been contracted during the 2014 remediation at the well site to apply their bioremediation process to excavated and stockpiled soil contaminated with Fraction 2 petroleum hydrocarbons (F2 PHC). Soil sample results from a 2014 Phase II ESA showed F2 PHC concentrations ranging from 170 mg/kg to 1210 mg/kg, with an average of 586 mg/kg in the four samples from the disposal area. Delta was ...


    By DELTA REMEDIATION INC

  • Enhanced Anaerobic Bioremediation of a TCE Source at the Tarheel Army Missile Plant Using EOS

    EOS, or emulsified oil substrate, was used to stimulate anaerobic biodegradation of trichloroethene (TCE) and tetrachloroethene (PCE) at a former Army-owned manufacturing facility located in the Piedmont area of North Carolina. Previous use of chlorinated solvents at the facility resulted in soil and groundwater impacts. Ten years of active remediation utilizing soil vacuum extraction and air ...


    By EOS Remediation, LLC

  • Bioaugmentation treatment of PV wafer manufacturing wastewater by microbial culture

    The wastewater of silicon photovoltaic (PV) battery manufacturing contained polyethylene glycol (PEG) and detergents, which possessed the characteristics of high content of organics and low bioavailability, and then resulted in high treatment costs. To address the difficulties of existing treatment facilities in stably meeting discharge standards, eight tons of microbial culture (consisting of ...


    By IWA Publishing

  • 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 ...


    By Solinst Canada Ltd.

  • Natural attenuation potential of selected hydrokarst systems in the Carpathian Mountains (Romania)

    We examined the potential for natural attenuation of ten hydrokarst systems (HKS) in three mountain units in the Carpathian Mountains. We sampled in places where water enters below ground and where water emerges back to the surface in springs and is used as drinking water by the local communities. Water samples were used to assess the degree of chemical and microbiological pollution. Although ...


    By IWA Publishing

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