High Efficiency In Situ Treatment Technology for Contaminated Groundwater
The proposed HEISTT solution is the rapid installation of groundwater treatment chemicals as an insitu subsurface remediation technique, brought about by the use of ultrasonic assisted injection technology to create a closely spac...
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30/09/2013
unknown leader
2M€
Project Budget: 2M€
Project leader
unknown leader
PARTICIPATION DEPralty
Sin fecha límite de participación.
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Project Information HEISTT
Project leader
unknown leader
Project Budget
2M€
participation deadline
Sin fecha límite de participación.
Project description
The proposed HEISTT solution is the rapid installation of groundwater treatment chemicals as an insitu subsurface remediation technique, brought about by the use of ultrasonic assisted injection technology to create a closely spaced grid of single treatment small diameter wells to a depth of 20m. As part of the boreholing process, remediation chemicals will be introduced in to the ground contained within a geotextile sock. Diffusion of the chemicals (oxygen release compounds, hydrogen release compounds, zero-valent iron or chemical oxidants) occurs through the permeable geotextile material. Injection target cycle time will be = 5 mins from hole to hole at 1m spacing. The spacing of these boreholes will be decided by the concentration of contaminant and the required rate of clean-up. This whole system will be passive, i.e. requiring no energy to function after installation or operator maintenance. A range of equipment options are envisaged, from simple attachments for existing excavation plant � which will be the primary focus of HEISTT , enabling rapid take up of the process by SMEs due to the affordability of retrofit - through to dedicated bespoke machinery.