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K-V Associates, Inc. : KVA Spargepoints Fate t of : <br /> KOMA <br /> Note: Spargepointo is registered trademark # 1 ,917, 152 of K-V Associates, Inc. <br /> jl <br /> KVA Spargepoints® are essential parts in the operation of KVA C-Sparger' Systems. Made of <br /> porous plastic, they are used to introduce microfine air bubbles under low pressure into the saturated <br /> i zone of an aquifer in order to removevolatile organic compounds compounds (VOCs and chlorinated <br /> solvents). This relatively new process in remediation technology is allowing simultaneous stripping of <br /> contaminants from groundwater along with chemical oxidation of these contaminants. <br /> it <br /> The ultraflne bubbles produced by Spargepoints® are diffused into a formation more evenly than the <br /> large bubbles produced by standard well screens. Spargepoint®-produced bubbles have suitable size <br /> for penetrating the interstitial spaces of saturated formations under law fluid pressure. Consequently, <br /> the bubbles become part of the fluid flow and prevent channelization. <br /> A compressor is used for air supply to the , lk $ <br /> Spargepoints®, providing adequate pressure and air ,tG <br /> flow to the points in order to overcome back <br /> pressure of the formation. Each of the <br /> lSpargepoints'® is connected to the surface by a <br /> e_ 1 Schedule 40 PVC riser pipe. KVA's Wellhead <br /> Assemblies allow even adjustment of pressure and <br /> c - 1 air flow to individual Spargepoints® across the site. <br /> KVA Spargepoints® are available in diameters of <br /> L--� <br /> 1/213145 1 , 2, and 4 inches. Lengths yary according <br /> to customer needs. Standard models are generally <br /> I- 18 inches in length. <br /> r � <br /> � Installation of KVA Spargepoints® is very simple using a hollow stem auger, and a protocol similar to <br /> _ . installation of well screens. <br /> ( To find out more about KVA's Sparging processes, visit our Q&A page. <br /> Note: SpargepointO is registered trademark # 1,917, 152 of K-V Associates, Inc. <br /> Spargepoints`` I G-Sparger ,Solrent Removal System Dual-Gas Sparge- Systems <br /> Back to aren <br /> Remediation <br /> KVA 0 About <.VA. 0 Grouudrtater Groundwater & . ,Technical aT <br /> Hume P-Me Monitoring Sod Sampling P.tpers m II <br /> 766 Falmouth Rd. B-12, Mashpee, MA 02649 • Tel: (508) 539-3002 • Fax: (508) 539-3566 <br /> LJ <br /> Copyright ® 2000 K-V Associates, Inc. <br /> f1 <br /> :L <br /> 1 : <br /> http://www.kva-equipment,com/sparge,html 4/5/02 <br />