Toxicity Assessment of Heavy Metals in Soils around Transformers in University of Port Harcourt, Choba, Nigeria

Ayomide Adetutu Idowu, G. Iwuoha
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引用次数: 1

Abstract

Transformers has inbuilt dielectric substances and various forms of oils that serve various functions. In addition to transformer metal wares, these oils contain trace amount of various heavy metals which could leak and constitute environmental problems by adding up to the soil’s concentration. Soils have been found to be the major sink for heavy metals when released into the environment. It has been noted that most heavy metals do not undergo microbial or chemical degradation because they are nondegradable and as a result, there is bioaccumulation of their total concentrations after being released to the environment and it affects the food chain [1],[2],[3].
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尼日利亚乔巴港哈科特大学变压器周围土壤重金属毒性评价
变压器有内置的介电物质和各种形式的油,服务于各种功能。除了变压器金属制品外,这些油还含有微量的各种重金属,这些重金属可能会泄漏,并通过增加土壤的浓度构成环境问题。土壤被发现是重金属释放到环境中的主要汇。人们注意到,大多数重金属由于其不可降解性而无法进行微生物或化学降解,因此释放到环境中后,其总浓度会发生生物积累,并影响食物链[1],[2],[3]。
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