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IDA SRL Contaminated area- case of study Contaminants levels in the - - PowerPoint PPT Presentation
IDA SRL Contaminated area- case of study Contaminants levels in the - - PowerPoint PPT Presentation
New technology for in situ decontamination polluted soils by hydrocarbons IDA SRL Contaminated area- case of study Contaminants levels in the soil Microtunneling system Injection system proposed Injection system scheme Influence area for
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Contaminants levels in the soil
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Microtunneling system
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Injection system proposed
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Injection system scheme
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Influence area for a sigle pipe
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Control bars in depression Control bars in depression Pipe chemicals inputs VADOSE ZONE
Phase 1 Chemical decontamination , i.e Fenton reaction, Ozone, Sodium Peroxide, Hydrogen peroxide, others.
Washing soil
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Efficacy of oxidizing reagents on certain types of contaminants
Oxidant Easily degradable Hardly degradable Very difficult to degradable Idrogen Peroxides / Fenton Reagent TCA, PCE, TCE, DCE, VC, BTEX, CB, Phenols, MTBE, TBA, explosives (es. TNT), 1,4- diossano DCA, CH2CI2 (diclorometano), IPA, PCB, tetracloruro di carbon CHCI3 (cloroformio), pesticides Ozon PCE, TCE, DCE, VC, BTEX, CB, Phenols, MTBE, TBA, explosives DCA, CH2CI2, IPA CHCI3, pesticides, TCA, tetracloruro di carbon, PCB Ozon/ Idrogen Peroxides TCA, PCE, TCE, DCE, VC, BTEX, CB, phenols, MTBE, TBA, explosives, 1,4 diossano DCA, CH2CI2, IPA, tetracloruro di carbon, PCB CHCI3, pesticides Permanganate (Potassium/Sodium) PCE, TCE, DCE, VC, BTEX, IPA, phenols, explosii Benzene, pesticides CHCI3, TCA, tetracloruro di carbon, PCB Persolfato attivato PCE, TCE, DCE, VC, BTEX, CB, phenols, MTBE, TBA, 1,4-diossano IPA, explosives, pesticides, PCB
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Microbiological treatment
Control pipe Presurrized air inflow Microorganis and nutrients input Control pipe Presurrized air inflow
Phase 2 Microbiological decontamination
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Modelling of capping
Waterproof screen Contaminant Contaminant Floor Vadose zone
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