Environmental Contamination by Heavy Metals

Vhahangwele Masindi and Khathutshelo Lilith Muedi

A chapter in Heavy Metals from IntechOpen

Abstract: The environment and its compartments have been severely polluted by heavy metals. This has compromised the ability of the environment to foster life and render its intrinsic values. Heavy metals are known to be naturally occurring compounds, but anthropogenic activities introduce them in large quantities in different environmental compartments. This leads to the environment's ability to foster life being reduced as human, animal, and plant health become threatened. This occurs due to bioaccumulation in the food chains as a result of the nondegradable state of the heavy metals. Remediation of heavy metals requires special attention to protect soil quality, air quality, water quality, human health, animal health, and all spheres as a collection. Developed physical and chemical heavy metal remediation technologies are demanding costs which are not feasible, time-consuming, and release additional waste to the environment. This chapter summarises the problems related to heavy metal pollution and various remediation technologies. A case study in South Africa mines were also used.

Keywords: heavy metals; environment; contamination; legal requirements; pollution (search for similar items in EconPapers)
JEL-codes: Q55 (search for similar items in EconPapers)
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:ito:pchaps:134992

DOI: 10.5772/intechopen.76082

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