Environmental Science and Engineering Magazine May-June 2011

Page 49

May2011_ES&E_4_2010 11-06-04 12:04 AM Page 49

Site Remediation process. They sent a mobile treatment unit to the site under the firm’s mobile certificate of approval, in accordance with Section 53 of the Ontario Water Resources Act. The water, which discharged from the existing well at a flow rate of 4 gpm (suppressing the water table), was governed by a flow volume controller into a 4,000

L equalization tank (non-baffled). This tank acts as a buffer to the filtration system, and as an oil/water separation system, should raw product be discharged from the groundwater supply (infiltration well). A submersible transfer pump repressurizes the water, discharging to the organo-clay via a bag filter at 6 US gpm. continued overleaf...

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Final application.

Golden then co-ordinated local trades and retained the expertise of two other companies to remediate the site, using alterative remediation technologies. Insitu Contractors provided groundwater consulting services. The company installed a dewatering system in the spill area in order to contain the spill and subsequently enhance the chemical oxidation

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www.esemag.com

NEMA 4X Patents: 4,496,295 7,001,153 and other patents pending

May 2011 | 49


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