Effect of untreated urban effluents on the accumulation of toxic metals in river sediments under tropical conditions: Funa River, Kinshasa, Democratic Republic of the Congo

被引：7

作者：

Kayembe, John M. ^{[1
]}

Bokwokwo, Merveille I. ^{[1
]}

Sivalingam, Periyasamy ^{[2
]}

Ngelinkoto, Patience ^{[1
]}

Otamonga, Jean-Paul ^{[1
]}

Mulaji, Crispin K. ^{[3
]}

Mubedi, Josue I. ^{[1
]}

Pote, John ^{[1
,2
,3
]}

机构：

[1] Univ Pedag Natl UPN, Croisement Route Matadi & Ave Liberat, Kinshasa, DEM REP CONGO

[2] Univ Geneva, Fac Sci, Dept FA Forel Environm & Aquat Sci, Inst Environm Sci, Geneva, Switzerland

[3] Univ Kinshasa UNIKIN, Dept Chem, Fac Sci, Kinshasa 11, DEM REP CONGO

来源：

WATER AND ENVIRONMENT JOURNAL | 2020年 / 34卷 / 02期

基金：

瑞士国家科学基金会;

关键词：

human and environmental risk; sediment contamination; toxic metals; tropical conditions; urban and hospital effluents; water pollution; HEAVY-METALS; TRACE-METAL; RESERVOIR SYSTEMS; RECEIVING SYSTEM; LAKE GENEVA; WATER; POLLUTION; QUALITY; SURFACE; CONTAMINATION;

D O I：

10.1111/wej.12451

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The objective of the present study was to assess the status of surface sediments from Funa River. Sediment samples were characterized for physicochemical parameters, including grain size, organic matter and toxic metals. The result revealed high metal concentrations in river sediments, reaching values of 154.19, 186.00, 1105.34, 3.69, 548.02 and 5.45 mg/kg for Cr, Cu, Zn, Cd, Pb and Hg, respectively. A strong correlation was observed between analysed metals and organic matter suggesting that these contaminants could have originated from common sources with a similar transport pathway. Based on the Sediment Quality Guidelines for the Protection of Aquatic Life, Funa River is considered as highly polluted with toxic metals indicating the potential environmental and human health risk. The results of this research represent a useful tool to assess the sediment quality of urban river receiving system which can be applied to similar environment.

引用

页码：180 / 188

页数：9

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