Heavy metal contamination in water, soil, and vegetables of the industrial areas in Dhaka, Bangladesh

被引：250

作者：

Ahmad, Jasim Uddin ^{[2
]}

Goni, Md. Abdul ^{[1
]}

机构：

[1] Bangladesh Univ Engn & Technol, Dept Chem, Dhaka 1000, Bangladesh

[2] Jahangirnagar Univ, Dept Chem, Dhaka 1342, Bangladesh

来源：

ENVIRONMENTAL MONITORING AND ASSESSMENT | 2010年 / 166卷 / 1-4期

关键词：

Trace elements; Plant uptake; Bioconcentration factor; Wastewater irrigation; WASTE-WATER; AGRICULTURAL SOIL; LEAFY VEGETABLES; IRRIGATED AREAS; ZHENGZHOU CITY; SEWAGE-SLUDGE; PLANTS; HEALTH; IMPACT; CROPS;

D O I：

10.1007/s10661-009-1006-6

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Concentrations of Cu, Zn, Pb, Cr, Cd, Fe, and Ni have been estimated in soils and vegetables grown in and around an industrial area of Bangladesh. The order of metal contents was found to be Fe > Cu > Zn > Cr > Pb > Ni > Cd in contaminated irrigation water, and a similar pattern Fe > Zn > Ni > Cr > Pb > Cu > Cd was also observed in arable soils. Metal levels observed in different sources were compared with WHO, SEPA, and established permissible levels reported by different authors. Mean concentration of Cu, Fe, and Cd in irrigation water and Cd content in soil were much above the recommended level. Accumulation of the heavy metals in vegetables studied was lower than the recommended maximum tolerable levels proposed by the Joint FAO/WHO Expert Committee on Food Additives (1999), with the exception of Cd which exhibited elevated content. Uptake and translocation pattern of metal from soil to edible parts of vegetables were quite distinguished for almost all the elements examined.

引用

页码：347 / 357

页数：11

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