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i Microbubble Oxidation Smokes MTBE and BTEX Page 2 of 3 <br /> r PILOT TEST <br /> l SUMMARYOF GROUNDWATER FIELD DATA <br /> Well in Date Vale PR Tamp Gaoduattviry DlssoNlid FarCM99Magnaludle <br /> Oxygen ORP tow) 1 an Ozatw Rosdin9 { <br /> t°Ol 4mmSJomy fmaal [meal 111 In afwatari <br /> RiMt-15 2244M0 10:07 Hid 12,4 9.10 NM NM 1-g NM Nhto" <br /> 4MZM 18:46 724 13:5 ite00 Man NM 3.4 0.aas$ Nl.$t7 <br /> 4117t00 i&4S 7.40 ti5,5 7.57 tow 62S 1.4 0,00 3:0 <br /> f 4/2UVO 1240 7. 10 14A 8.67 1.750 350 UA 0,00 4,0 <br /> 4124= 1020 7.40 14,0 7.05 0:7&0 0.0 0.00 317 <br /> silmo 15:10 7.20 15.7 8.21 1 .000 -25` a0 11,00 8.p <br /> yM(10 0:15 7.10 K9 M 1 :000 -Ta' 00 0.27 NfA" <br /> Sr'22m Mos 7440 t6.7 8.83 1.250 NfA' D.0 6.22 MAW <br /> MW.21 2tMM Mal 6,50 12.9 4.00 NM NM 1.2 NM NrAM <br /> V12M 14AS 1.5t 14.7 9.60 alica 213 CO 1100 N6idl <br /> 407= 16'.30 7.10 115A B:a1 awa 266 D4 4007 100 <br /> 440100 1115 7.20 15.0 ash 1 .000 eao D.0 0100 104 <br /> dt24704 9:24 7.20 15.6 8.76 1-500 MM 0.0 0.00 an <br /> j <br /> 6111Da A= 7.70 15.8 8,85 1.500 35 D.0 0,00 10.0 <br /> 579190 10:15 7,00 15.6 &74 2:000 MA' 4.0 07 NIP:' <br /> _ V2= 14:50 730 173 8,52 1000 MA" o-O 4.16 NFA" <br /> Halos: <br /> Symcmt read an atter data catiacgad on 4712140. <br /> -Insinrrnent balimmd to 4somalCnnatiaatgl. - <br /> '" system no longer rwningm turnod off 501100: <br /> qr Oats colloNo0 bolbta pilot slartvp <br /> r4 Sample iudllduly nry'4t, m aM ruay not herallabAL <br /> ' Began usrrag nav ORP mater. <br /> j Figure 2. Pilot test. Summary of groundwater field data. <br /> Procedure <br /> Documents Quick 101'RERaauiur -p1foi-QM"*Spar9s <br /> 1 Results Colorado Pmdsota: Floriva7 <br /> Initial results of the iaeo <br /> 1 treatment were � <br /> monitoring by three { <br /> indicators: <br /> 1 <br /> J <br /> jVOC removal ttld7 .- <br /> by groundwater i <br /> sampling from <br /> 1 monitoring 1 <br /> wells and <br /> certified <br /> laboratory AN - _®.. . .. <br /> analysis. <br /> Dissolved <br /> ozyVen - . , - <br /> field <br /> determ nations ° 1 .. ._ ,.bomb. � woo <br /> 7 avc�m :.srraru ogra+xl aAt]4tda a4<ru usnn4fr� xi». roa asz4144 ce1+%o9 tKV740 <br /> on groundwater Tow <br /> grab samples rs t rvlas ruuFxitxx fly <br /> from <br /> monitoring Figure 3. MTBE results Pilot ozone sparge Colorado Products Termial. <br /> wells. <br /> 1 . Oxidation-reduction potential (ORP) field determinations on groundwater grab samples. <br /> Groundwater sampling showed an immediate rise in concentration of MTBE and benzene due to mixing followed by a <br /> progressive drop in concentration. The agitation of the groundwater and capillary pores by the fine bubbles often <br /> strips adsorbed fractions. The mixed concentrationsare often a better measure of total mass for treatment than solely <br /> the aqueous fraction. The concentrations of MTBE from monitoring wells placed at 3 meters' and 4 meters' distance <br /> from the SpargepointQ rose to 1300 and 550 ppb before converging to less than 100 ppb for a removal efficiency of <br /> 99.9% and 99.8% respectively after 5 % weeks of operation. Benzene rose to a high of 4300 ppb-before dropping to <br /> http://www.kva-equipment.cons/papers/microbub.htm 4/5/02 <br />