Removal of heavy metals content from mussels (perna viridis l)
This study was conducted to develop method to remove heavy metals content (lead,rnmercury, cadmium, and chromium) in mussels meat (Perna viridis L.). The mussels inrnthis study were obtained from Cilincing traditional market, within the Jakarta Bayrnarea that is well known for being heavily polluted by heavy metals. The removal ofrnheavy metals were done by soaking the mussels at 2% concentration of chelatingrnagent (Na2EDTA) with various shaking speed and at various soaking time. The resultsrnshows that mechanical effect (shaking speed) was contributing significantly to thernremoval of the heavy metals content in the mussels. Analytical analysis (One, Two orrnThree way ANOVA) was done and shown that shaking speed and soaking time gavernimpact in the heavy metals removal rate. The waste water produced in this work wasrntreated using precipitation method at pH 10 followed by filtration using active carbon.rnThe result showed that the heavy metal content in the waste water can be decreasedrnuntil below detection limit.
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