Depuration (purification) is a technique applied in many parts of the world for the removal of microbial contaminants from light to moderately contaminated bivalve molluscan shellfish by placing them in tanks of clean seawater such that they undertake their normal pumping activity for a period of time that may range from several hours to days.
This Food and Agriculture Organization technical paper explains how the process of depuration can help remove the threat of toxic contaminants from bivalve.
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