remediation products Articles

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Removal of hexavalent chromium from aqueous solutions using micro zero-valent iron supported by bentonite layer

by IWA Publishing  (Mar. 16, 2015)

Hexavalent chromium Cr(VI) is of particular environmental concern due to its toxicity, mobility, and challenging removal from industrial wastewater. It is a strong oxidizing agent that is carcinogenic and mutagenic and diffuses quickly through soil and aquatic environments. Moreover, it does not form insoluble compounds in aqueous solutions; ...

Case study: surfactant enhanced HVDPE remediation of petroleum contaminated soil, bedrock and groundwater

by Ivey International Inc.  (Jul. 10, 2014)

Recalcitrant petroleum product residuals sorbed in fine grain soils and fractured bedrock Persistent concentrations in groundwater after 12 years of remediation - including pumping, HVDPE Obtained regulatory approval for Ivey-sol surfactant application in spring 2009 Pilot Test Approach - Focused Short-Term Surfactant Injection/Extraction to ...

Spolchemie site remediation and NanoRem field site application

by NANO IRON s.r.o.  (Jan. 26, 2015)

Site Remediation The Spolchemie site was chosen as one of the NanoRem case study sites, to test two types of nanoparticles (NPs) (zerovalent iron - nZVI and iron oxide NPs) for in situ remediation of BTEX (Benzene, Toluene, Ethylbenzene, and Xylenes) contamination. Nanoremediation was seen as an opportunity to enhance the in situ biodegradation of ...

Familiar with the Symptoms of Mold and Ways to Deal

by Executive Restoration  (Mar. 4, 2015)

Finding that you may have mold in your property can definitely lead you to experience numerous things. You could in the beginning feel uprising, irritation or possibly a feeling of getting overloaded. Putting the property available for sale may be the very first thing that jumps into the mind, but that ought to be a final resort. A lot of people, ...

Degradability of hexachlorocyclohexanes in water using ferrate (VI)

by IWA Publishing  (Feb. 26, 2015)

Regarding environmental pollution, the greatest public and scientific concern is aimed at the pollutants listed under the Stockholm Convention. These pollutants are not only persistent but also highly toxic with a high bioaccumulation potential. One of these pollutants, γ-hexachlorocyclohexane (γ-HCH), has been widely used in ...

A Risk/Benefit Appraisal for the Application of Nano-Scale Zero Valent Iron (nZVI)

by NANO IRON s.r.o.  (Jan. 26, 2015)

NanoRem (Taking Nanotechnological Remediation Processes from Lab Scale to End User Applications for the Restoration of a Clean Environment) is a research project, funded through the European Commission’s Framework 7 research programme. NanoRem focuses on facilitating practical, safe, economic and exploitable nanotechnology for in situ ...

Innovative Project for Hydrocarbons Contamination

by Baioni Crushing Plants Spa  (Feb. 11, 2015)

Baioni Crushing Plants, leader in the aggregate crushing sector has been operating for 40 years, have recently developed equipment and methods for environmental control. Several plants have already been supplied to third parties, now Baioni have full know-how of the technology and can ensure correct conception of the line based on the ...

LNAPL remediation using electrical resistance heating

by TRS Group, Inc. (TRS)  (Oct. 31, 2014)

Abstract An Electrical Resistance Heating (ERH) pilot test was conducted in the fall of 1998 to determine the effectiveness of using ERH in combination with soil vapor extraction (SVE) for the remediation of benzene and light nonaqueous-phase liquids (LNAPL) at an island location on a river in the Midwest. Hydrocarbon-stained soils were ...

An agent-based modeling framework for sociotechnical simulation of water distribution contamination events

by IWA Publishing  (Jun. 25, 2013)

In the event that a contaminant is introduced to a water distribution network, a large population of consumers may risk exposure. Selecting mitigation actions to protect public health may be difficult, as contamination is a poorly predictable dynamic event. Consumers who become aware of an event may select protective actions to change their ...

High-Resolution Site Characterization with Multilevel Systems

by Solinst Canada Ltd.  (Feb. 3, 2015)

Within the last few years, the U.S. EPA added a new focus area on high-resolution site characterization (HRSC) to their Contaminated Site Clean-Up Information (CLU-IN) website. The U.S. EPA’s definition of HRSC is: “High-resolution site characterization (HRSC) strategies and techniques use scale-appropriate ...

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