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September 10, 2025

Detection and Characterization of Microplastics in Soil and Dust from Urban Road Surface

Key Points

Microplastics in road dust primarily consist of polyethylene, polyvinyl chloride, and polystyrene, raising concerns.
FTIR and SEM-EDS analyses show that microplastics pollution is prevalent in Jambi City's urban environment.
Observation of microplastics indicated fibers, fragments, and films, with many measuring under 200 µm in diameter.
The findings highlight how road dust contributes to the accumulation of microplastics in wider ecosystems.

Abstract

This study aimed to classify the various forms of microplastics pollution present in the road dust and soil of Jambi City. We characterized the microplastics using FTIR, SEM-EDS, and binocular microscopy. The microplastics characterization under a microscope yielded forms such as fibers, fragments, and films. Polyethylene (PE), polyvinyl chloride (PVC), and polystyrene (PS) are the most common types of polymers, according to FTIR analysis. SEM-EDS analysis of microplastics elements showed that chlorine, silicon, carbon, aluminium, sodium, and calcium were the most abundant. The majority of the microplastics (MP) had an average maximum diameter of less than 200 µm. The results of the research indicate that polymeric materials from road dust wear off and travel through stormwater, eventually ending up in open waters and larger ecological niches, and are a major source of microplastics pollution.

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