Review Article

Emerging Pollutants in Moroccan Wastewater: Occurrence, Impact, and Removal Technologies

Table 2

Occurrence of emerging pollutants in the aquatic environment.

Type of waterSample (country)PollutantsConcentration (ng L−1)Extraction and detection methodsLODs/LOQs (ng L−1)References

Surface waterSebou River, MoroccoAmoxicillin<158.3–4107SPE-LC-MS/MSn. a[52]
Nile River, EgyptBisphenol A1085.3UPLC-MS/MSn. a[53]
Liaodong Peninsula, ChinaAtrazine8.7–64.8SPE-TQMS(0.1–1.5)[54]
Al-Asfar and Al-Hubail lakes, Saudi ArabiaParacetamol and bisphenol APCM = 105–3069
BPA = 484.9
SPE-UHPLC/MS/MS(0.3–2.5)[55]

WastewaterWWTP of Tuscany, ItalyParacetamol and amoxicillinPCM = 3914 AMX = 2002SPE-LC/MSn. a[56]
Albany area of New York State (final effluent), USABisphenol A49.9SPE-HPLC/MS/MSn. a[57]
Grahamstown wastewater, South AfricaBisphenol A1468.3SPE-UHPLC/MS/MS1.0[58]

Ground waterGroundwater of Chesapeake, USAAtrazine, deethylatrazine (DEA), and hydroxyatrazine (HA)ATZ = 13.5
DEA = 
6.5
HA = 8.3
LC/MS/MSn. a[59]
Shallow Nile aquifers, EgyptBisphenol A71.1UPLC-MS/MSn. a[53]
Groundwater of Lagos, NigeriaAmoxicillin and paracetamol44–6490
1–188
UPLC-HRMSn. a[60]

Sea waterMarine waters, TurkeyBisphenol A4160–16920SPE-HPLC/FLDn. a[61]
Marine waters, PortugalParacetamol53.2–269.7SPE-UHPLC/MS/MS0.26/0.80[62]
Eastern Mediterranean Sea, GreeceAmoxicillin<5.0–127.8UHPLC/MS8.2[63]

LODs: limit of detections, LOQs: limit of quantifications, SPE: solid phase extraction, LC: liquid chromatography, MS: mass spectrometry, HPLC: high-performance liquid chromatography, UPLC: ultraperformance liquid chromatography, UHPLC: ultra-high-performance liquid chromatography, FLD: fluorescence detector, TQMS: triple quadrupole mass spectrometer, HRMS: high-resolution mass spectrometry, n. a: not available.