Rapid Sand Filtration Technique for Remediation of Microplastics
Abstract
Currently, surface runoff, leaching, atmospheric deposition, and wastewater are some of the sources of microplastics that pollute water supplies globally. The accumulation of microplastics in the intestines of several marine organisms results in obstruction and irritation of their internal organs. Humans are similarly susceptible whether they utilize drinking water, groundwater, or surface water. Given these problems, strict effluent water quality regulations are required, and scientists are presently investigating methods for removing microplastics from water supplies in an attempt to reduce the risks associated with their discharge into receiving waters. The removal of microplastics from water and wastewater can potentially be accomplished with ease and efficiency using rapid sand filtering. It can effectively catch microplastics of different sizes and densities owing to its physical straining capabilities as well as adsorption and sedimentation processes. The method is a useful part of water treatment systems due to its economical nature, scalability, and versatility; this is especially true when paired with other modern treatment and pre-treatment technologies. Thus, this chapter covers the rapid sand filtration treatment process, its construction, operation, maintenance, and all the details regarding the technique of rapid sand filtration for the remediation of microplastics.
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