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Dekontamizace zemin extrakcí roztoky alkoholů
[Application of alcohols in leaching of polluted solid matrixes]

T. Nováková, M. Šváb, M. Müllerová

. 2009 ; 103 (5) : 407-415.

Jazyk čeština Země Česko

Perzistentní odkaz   https://www.medvik.cz/link/bmc07531801

Ethanol and propan-2-ol were used to verify the efficiency of removing persistent organic pollutants from real soil contaminated with PCB (395 mg kg-1) or with oil and tar substances (57,5 g kg-1). In batch extraction 65-90 % contaminants were removed with both solvents. An influence of water content in solvent was examined in a series of experiments. The presence of water in the solvents decreases the extraction efficiency more for oil and tar substances than for PCB. 96 % of PCB and 75 % of oil and tar substances were removed from soil by washing in a column, using five pore volumes of propan-2-ol. Distillation and membrane separation were the methods considered for solvent recovery.

Application of alcohols in leaching of polluted solid matrixes

Aplikace alkoholy v loužení znečištěného solid matrice

Bibliografie atd.

Lit.: 15

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