Illicit drugs in wastewater tratment plants: occurrence and behaviour
Keywords:Drug behavior, water treatment, contaminants of emerging concern, illicit drugs
The occurrence of illicit drugs and related metabolites in two wastewater treatment plants (WWTPs) (namely, WWTP-1 and WWTP-2) located in Sicily (island in the South of Italy) is here discussed. The following illicit drugs have been investigated: methamphetamine, cocaine (COC), 3,4-methylenedioxymethamphetamine (MDMA), methadone (METH), 2-ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine (EDDP), 3,4-methylenedioxy amphetamine (MDA); 3,4-methylenedioxy ethylamphetamine (MDEA), 11-nor-9-carboxy-Δ9-tetrahydrocannabinol (THC-COOH) and Benzoylecgonine (BEG). BEG, COC, MOR and THC-COOH have the highest concentration for both WWTPs. Inside WWTP-1 negative removal efficiencies were sometimes obtained. For WWTP-2 found for BEG (77.85%), COC (92.34%), CODEINE (64.75%), MOR (90.16%) and THC-COOH (68.64%).
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