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a <br /> 1 f <br /> Table 1. Advarttages and DisadHamaL*es d sdeaed&oundw=eli TreallAvxK TecJvw 9gies <br /> Geweke Land Dix#and Marketing <br /> Treatrnern Tech <br /> 8lotrealment Dcsrroys tather than transfers eentarninants Relatively high capital costa <br /> Flexible Jeslpn,can adjust treatment efficiency Paq <br /> uiros banch•scako Coating <br /> Proven technology in rarnediation of pelmlaurn hydrocarbons Produces sludge <br /> Not prone to blofoull May require air omission controls such as vapor phase carbon <br /> May not accomodate sudden changes in hydraulic <br /> of chemical loading <br /> May require rernavat of suspended solids from the oftluent <br /> Chemical Oxidation Simple to operate Rotatively high capital costs <br /> Proven technology in remediation of petroleum hydrocarbons Requires bench•scate testing <br /> Flexible design,can adjust treatment alliciancy <br /> Destroys rather than transfats contaminants <br /> Not prone to biolouling <br /> No ail emission controls requited <br /> Relatively small space required lot installation <br /> fers rather than destroyi contaminants \ " <br /> Carbon Adsorption Rulativaly low capital costs Trans1 <br /> Cimpla to operalolk maintain <br /> Ptone to biofouling or plugging ; r <br /> Proven technology in semediauon of petroleum hydrocarbons Carbon changeout costs may be ptchlbitive <br /> Relatively small space required lot installation Inflexible design,cannot all treetmont efficiency <br /> Carbon efficiency declines,t—antaminant levels decline <br /> Note:All systems may require pretreatment <br /> t� <br /> February 1,1991 <br /> PES Environmental,lnc. <br /> Illi ARINDIN" <br /> _ h <br />