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2019•IOP Conference Series Earth and Environmental ScienceOpen access

Occurrence Characteristics and Ecological Risk Assessment of Heavy Metals in Sewage Sludge

Shuyu Chen

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Abstract

Sewage sludge, as the main product of sewage treatment processes, contains relatively high concentrations of potentially toxic heavy metals. If it is not thoroughly treated or controlled, it will cause serious impact on the environment and human health. The aim of this review is to briefly generalize the occurrence characteristics of heavy metals in sewage sludge and give an overview of sludge standards.

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Sewage sludge, as the main product of sewage treatment processes, contains relatively high concentrations of potentially toxic heavy metals. If it is not thoroughly treated or controlled, it will cause serious impact on the environment and human health. The aim of this review is to briefly generalize the occurrence characteristics of heavy metals in sewage sludge and give an overview of sludge standards.

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Available abstract

Sewage sludge, as the main product of sewage treatment processes, contains relatively high concentrations of potentially toxic heavy metals. If it is not thoroughly treated or controlled, it will cause serious impact on the environment and human health. The aim of this review is to briefly generalize the occurrence characteristics of heavy metals in sewage sludge and give an overview of sludge standards.

Key concepts: Sewage sludge, Heavy metals, Sewage, Environmental science, Sewage treatment, Waste management, Sewage sludge treatment, Human health

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