Showing results for: groundwater hydrocarbons contamination Articles
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Domestic wastewater treatment with a decentralized, simple technology biomass concentrator reactor
A new type of membrane-like aerobic reactor initially designed for the degradation of hydrocarbon-derived groundwater contaminants was tested for treating domestic wastewater. The biomass concentrator reactor (BCR) consists of an enclosed, aerated tank containing a graded filtration medium with the function of solids separation, and was previously used to treat industrial wastewaters ...
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Sustainability of decentralized wastewater treatment technologies
In many Countries, small communities are required to treat wastewater discharges to increasing standards of lesser environmental impacts, but must achieve that goal at locally sustainable costs. While biological membrane treatment (membrane bio-reactors (MBRs)) is quickly becoming the industry standard for centralized wastewater treatment plants, and would also be ideally suited also for ...
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Groundwater treatment - Dundee
Remediation of Hydrocarbon Contaminated Groundwaters Client: Stewart Milne Construction. Consultant: REC Ltd. Challenge: Removal and treatment of 31,000 litres of hydrocarbon contaminated ground water. Applied technology: Removal of contaminated waters to treatment centre. Remediation criteria: Remove ground water with a contamination in excess of 10 mg/kg. Validation: Ongoing monitoring by ...
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Kara Trutnov Site: Successful Reduction of Mixed Contamination of Chromium and Chlorinated Organics
Remediation company EKORA in collaboration with company NANO IRON, producer of zerovalent iron nanoparticles (nZVI), conducted pilot injection of surface stabilized nanoparticles of elemental iron (NANOFER 25S) and their subsequent full-scale application to eliminate groundwater contamination of chlorinated hydrocarbons (CHCs) and hexavalent chromium (Cr6+) at KARA Trutnov site in Czech Republic. ...
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Screening level modeling of long-term impact of petroleum hydrocarbon contamination on fresh groundwater lenses in the Arabian Gulf region
The Gulf War in 1991 created an environmental catastrophe, one of the major consequences of which was setting several oil wells on fire in the Arabian Gulf area. The total oil spilled as a result of the damaged wells was about 3.5 × 106 m3. Out of these, 3.3 × 106 m3 of oil was recovered and exported. The rest was left behind as it was not economical to collect. The oil left behind was subject to ...
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A 2006 GLOBE award winner
The GLOBE Corporate Award for Technology Innovation and Application is presented is to a company that has demonstrated outstanding technical ingenuity in the development and/or application of an innovative technology or process with a significant environmental application. This year’s winner, Ivey International Inc., has developed a surfactant remediation technology (Ivey-sol®) solution that ...
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Groundwater remediation pump and treat carberry, Manitoba case study
Executive Summary Two of four underground gasoline tanks were removed from an old service station located in Carberry, Manitoba a number of years after the facility ceased operating. Two tanks were left on site and were used until 1985, when Manitoba Environment was notified that a domestic well in the vicinity of the abandoned site was contaminated with gasoline. The remaining tanks were ...
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Ex Situ Biological Treatment for Groundwater, Surface Water, and Leachate
The main advantage of ex situ treatment is that it generally requires shorter time periods, and there is more certainty about the uniformity of treatment because of the ability to monitor and continuously mix the groundwater. However, ex situ treatment requires pumping of groundwater, leading to increased costs and engineering for equipment, possible permitting, and material handling. ...
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