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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Environmental Sources Marine & Wildlife Sign in to save

Microplastics elutriation from sandy sediments: A granulometric approach

Marine Pollution Bulletin 2016 79 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 35 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Stéphane Bruzaud, Véronique Le Tilly, Véronique Le Tilly, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Kedzierski, Mikaël Stéphane Bruzaud, Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Véronique Le Tilly, Véronique Le Tilly, Véronique Le Tilly, Véronique Le Tilly, Patrick Bourseau, Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Stéphane Bruzaud, Stéphane Bruzaud, Olivier Sire, Guy César, Patrick Bourseau, Patrick Bourseau, Patrick Bourseau, Patrick Bourseau, Guy César, Patrick Bourseau, Patrick Bourseau, Patrick Bourseau, Patrick Bourseau, Patrick Bourseau, Hervé Bellegou, Hervé Bellegou, Hervé Bellegou, Guy César, Stéphane Bruzaud, Hervé Bellegou, Hervé Bellegou, Stéphane Bruzaud, Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Stéphane Bruzaud, Guy César, Olivier Sire, Kedzierski, Mikaël Kedzierski, Mikaël Stéphane Bruzaud, Hervé Bellegou, Stéphane Bruzaud, Kedzierski, Mikaël Stéphane Bruzaud, Guy César, Olivier Sire, Olivier Sire, Stéphane Bruzaud, Stéphane Bruzaud, Guy César, Stéphane Bruzaud, Guy César, Olivier Sire, Stéphane Bruzaud, Kedzierski, Mikaël Guy César, Guy César, Stéphane Bruzaud, Guy César, Kedzierski, Mikaël Stéphane Bruzaud, Véronique Le Tilly, Guy César, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Olivier Sire, Olivier Sire, Olivier Sire, Guy César, Guy César, Guy César, Guy César, Kedzierski, Mikaël Kedzierski, Mikaël Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Kedzierski, Mikaël Stéphane Bruzaud, Olivier Sire, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Véronique Le Tilly, Stéphane Bruzaud, Olivier Sire, Stéphane Bruzaud, Véronique Le Tilly, Kedzierski, Mikaël Kedzierski, Mikaël Stéphane Bruzaud, Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Kedzierski, Mikaël Stéphane Bruzaud, Kedzierski, Mikaël Kedzierski, Mikaël Stéphane Bruzaud, Kedzierski, Mikaël

Summary

This study optimized elutriation — a water-flow technique for separating particles by size — to more efficiently extract microplastics from sandy sediments while minimizing carry-over of sand. The granulometric (particle-size-based) approach improved extraction yields and provides a practical low-cost tool for environmental microplastic monitoring.

Polymers
Study Type Environmental

Although relatively easy to extract in the marine environment, microplastics are very difficult to recover when they are trapped in sediments. The elutriation column is one of the best tools currently available for extracting plastics from sediment, but with a high sand recovery yield. This study aims to address the following questions: (i) is it possible to use a sedimentological approach to limit the sand recovery? (ii) does the extraction velocity of the sand and plastic particles vary according to density and granulometry? (iii) what is the relative recovery efficiency obtained for dense polymer particles mixed with marine sand? Based on a new granulometric classification, different plastic particle-size fractions are defined. Their extraction velocities are experimentally determined on particles of sediment and different plastics (PA, PVC). The particle recovery experiments indicate that it is possible to extract >90% of dense plastic particles in cases of negligible sand recovery.

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