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9 ry <br /> 7 <br /> C h <br /> � C K <br /> W a <br /> PIEATSCAIB STUDY OF IN-SITU CHEMICAL OXIDATION OF N <br /> PASSWR DFSTRUCIRION OF PCE D14APL BY POTASSIUM TRICBLOD0E11fENE WITH SOOIUM PERMANGANATE <br /> PERMANGANATE INA SANDY AQUIFli9( m <br /> %a.ckteg If wg,Peaduy Cldwdn and Oaerle F Haag(Univc.sity of Comweticm Scorn, EJ <br /> Matshew O.I4ebes.BML Psdoe rd Sofro A.ChcM(Dapamncof of Earth Sclw=% Ceanecticta) m <br /> m o <br /> Usdvaoily,of Watabq Canada),7aun At(Dsprhnnwt of Geology,University of Mcw Braard A.Woody end Gregory m.Dabbs(Uaised7ecWml�iea Research Center,Flu <br /> a.. o <br /> Bmaswick Canada) Hartford,ConncclkA oD <br /> A dtne.paot loot for iajesting a tNe fluids ime PMUNWA sandy Knifes las Gem A piloi4wk mu of in-situ chemist Maddation OrWiLlosoeebew CrM)W"hsodiuo <br /> developed and saved far vasila remodia6ao of a paeviaht PCS DNAPL Oaprfm"in tlw pesaungnaste is mderaay to foveNipb tke reediom prassas and condi0oe daring np b <br /> shallow smeonioed sbd squifa at Canadian Fmeea Bus Bolos new AAbfto.Osrlcio. seaedisiieo appFration. This to focused oa Ore Paeuasand variables trw 3 <br /> ARWashort prdod rsfbydtrdkdismbame caused by We ojectseee.Ibe fluid[tatls is Oa prcdarnioalety deertokmd doe affrsivmem ofdattrucOm ofsosaca pee Abase TL"E with Ln .. <br /> mptftundr;mmn hydrauliccouftotls. The k*t-®d-kave cycle is repmd waft the passenaposu inwil. In addition,vufetems in selected prssitlets(Pg..pH,ORF.cosductivglf- Ln <br /> da(md 120FIC of is Situ lreammat is mbiwed. The god of this appmen is at sojas and ompsswre)ad reaction pwducts(t,g.,Cl-ad MROJdwing Ora lest wctealse C=wned. os <br /> / posms reetrna ehmicak meth as pamaslum p (KMnOJ radar pmnrc as tAin <br /> l-� rnahbplt meted dW"to aha baa - Is to Mme adclmd"Muting 1=01=11¢ries,With . The ten involved ism a permseganats mdutioa of 10 WL M a Bow me Of 0.)Vrnin inb a <br /> addidwvi scavenge amonpSeted m1h multiple baeholes Al maty.cool aquifer sim - Wstmko Beafara nal abest pile toil(-f.5 m(w)a).l rn 0 to destroy TCE in both dw <br /> DNAPL aoomldion rosea OCYar a the aquifer bosoms or as layered mora wisest dfsmtved Fiona and aha free phase in the Coil.The OCR tamaa apirmdarwy 9.5 m Of$14 <br /> bund damy of list rendive d um" w atuSg ry. Two sage Wwbw opiaars whiehovedses a tmdsdcpMit off alae(¢rioted ma We aquiard). Tim Wain tablet inside and <br /> was conducted. Fm Lbe Btu injoc6on 5.7 kg of KMM04 wee ddiaercd in 430 Uses of outside Om call occas-at-4 m below 6e wund mt6m. Appsordmeely 4 ma of ptakd I=- <br /> s"m and for the second ration 9 1y of XMnGa was defivetd im 430 blas of phM TCE pM&Vt ver food immedsadY abova t>Y WP6*4The Pesmaog Ostc IAU'M wa LNii <br /> minden 7bo mama g,a®g dbado-level saatpTmg huod3ea and awes.Owed tku injaxedinsodn call u0.9 a above Oeaquiwd thraagh tone injection VMIS muetM a arae side ft sin <br /> ape howl fua'iblios dlOdoOa rvsnhed over 13 cocks®9 Gam 4e irijectim ponies of du call.On rbs Mika side afthe cell,an ernaotioe poll oyes installed to contnuouslfaoma rn p <br /> and that mat artist mnmmptim of IMIM caears vkun 2 Maids. Cldodde pteduefioa gmmrdwa a at at sane devadm ad slow ram as Lim U*cclboa.Urial as 004ioe rnoaitarbrg <br /> ova alma iadicaoed ffie roue of PCB dWndiau and m balanots shmved that � fD <br /> eYvevrs.WeasRsarted gtounduaferwu romitorad for sicced Mpaatiaoal paramtlers before it <br /> VCE ,,,destroyed <br /> 2 ed of PCE was desh'oyd by ase salt iagpg andlbw do irccap E.4 kl of uaspo�ed iMa a V�nteeaml synesn and dixdsrgd. 3o additfvM,ekvgt samAkel walk, m y <br /> PCE voe dmtmyd ego she corned st"tin. Beaahs mkd Oat tae This peh serol p each wish throe saepliel screens as vaioua kwl%ad duee wafer-lead mooblorkm walls viae m <br /> lura:E6timi ovale eTeCsive kt distoTating tpmive selruioas ban Was mtabe7WY py�wism the mB mw PmbewiudY omaku,Oe noctioa cmm disioPost cocusedin the <br /> ]renegeneaus sandy"afer Dway driven advaWAst.bah siobing and spm along v <br /> law pamabitky layers Along wide dsifenim. f ..__ tahardu the efficiency of "sun dri fticst <br /> dLWbatay KWaN into levo pemebilily cone lest accede by Costed adveaon. m 0 <br /> Gcoobaaaol amblis ofdrasle.&A yusuAwata eeaI I d LO-can verticd spacing at To dam these:TC indicate was <br /> lseYedt ibe dsrlY. TCEwasaxidbmd rapidly by pexrmrsamm,rose Of <br /> 0 <br /> the EieepMee TCE re desroyod slowdY•muss likely imsilcdby the diadLrtimld+fdsioM seed Z m <br /> 13 br�oos iradrema two tIeOM eht®asl realm amen Where habsieable Phase res _ .. <br /> pm nK PCE os bat caused the IH so decline but generally sae below 6 becaoas of pure deanCE. andThis ea on,pH- -s s1&the bl by the In-M oe than The pH vahe tithe extracted <br /> aaboade tsiecal buffering.High conenetwidIll of skims sod dhhabde mase ptodooed wawa deaeasad&uta pH-65 ba the begisaiy tM�)S wiart-2 jam volrmas(PY)of <br /> in rho moa. l0 16t sone where cote a@amut plans:PCE mdaed,the pH iaiaesed m 10 pumaga ",sni ram was ojetrd. The pH Ile=Oa case!to-7.5 a PV-5 as pammgasuse v r <br /> hewis,la qw solation,had high pH. Casawd a&W of tubium end Chiabds runwied solutle a ww oondauomry info md. mase ver,a PV-2.do cbkride etocamaaiaa in the <br /> /3 esradson well Increased b-JKM#I,which isr,.ow tons twine tae bulkgroead marntraum. En m <br /> low in Us tense Thee mufti edab6dt the i�taltse of carbonate mioeraf diaobttioc <br /> m We racdass shdchioate0rymdsaanitmt nkeradas oFt&agsalRr. From PV=3sa5,the Cl'darehd andscaehedatelatvdyucadyaomoansationa(-260 M91- ro o <br /> fw addiflaa,dw vertiw!pnefiletof tlrrc axil ewe3obW rwd d PV-S from sloe kin,mriddk,end <br /> right ride cdiha cell,mtq oz6vt{y,indica,.that-7.3 can uf4ack brawn MaO,prexfpimes <br /> do�eddt2-)cmabavePoeintafacaoftfaaadadclay. 'Iffiisdlcaasdadmowgoirg N <br /> reaction betwow TCE and permangaoak was oomriq now tine TCE source ren. In gmsal D <br /> the values of ORP ad Conductivity in the ocF banned with the permangaaee conctntrewt, <br /> wkemas the a®pagme appeus:d cc be effectel mainly by dine:mbicot k'npamltm " <br /> R.fire aarar�erw vFN San � <br /> ' P,IIMIBraraYatP dwavaaN � <br /> rn � <br /> m <br /> m `Q <br /> N m <br /> m <br /> +• O <br /> I <br />