Removal of Heavy Metals from a Contaminated Green Mussel [Perna Viridis (Linneaus, 1758)] Using Acetic Acid as Chelating Agents

Aquatic procedia Pub Date : 2016-08-01 DOI:10.1016/j.aqpro.2016.07.021

Nanik Heru Suprapti , Azis Nur Bambang , Fronthea Swastawati , Retno Ayu Kurniasih

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引用次数: 13

Abstract

Dried green mussel [Perna viridis, (Linneaus, 1758)] was soaked in acetic acid solution at a concentration of 10%, 15%, 20%, and 25% for 0 min, 30 min, 60 min, and 90 min. The content of heavy metals such as Pb, Cr, and Cd after soaking were analyzed by Atomic Absorption Spectrometer (AAS). The results indicated that after soaking in acetic acid solution at a concentration of 25% for 90 min reducing heavy metal Pb from 2.879 μg · g^–1 to 1.407 μg · g^–1, Cr from 0.730 μg · g^–1 to 0.362 μg · g^–1, and Cd from 0.710 μg · g^–1 to 0.441 μg · g^–1. The increasing concentration of acetic acid solution and the longer soaking time, the levels of heavy metals (Pb, Cr, Cd) in green mussel will decreasing. Interestingly, acetic acid was able to chelate the studied heavy metals in green mussel.

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用醋酸作为螯合剂去除被污染青贻贝中的重金属[Perna Viridis (Linneaus, 1758)]

将干青贻贝[Perna viridis， (Linneaus, 1758)]在浓度分别为10%、15%、20%、25%的乙酸溶液中浸泡0 min、30 min、60 min、90 min，用原子吸收光谱仪(AAS)分析浸泡后的Pb、Cr、Cd等重金属的含量。结果表明，在浓度为25%的乙酸溶液中浸泡90 min后，重金属Pb由2.879 μg·g-1降至1.407 μg·g-1, Cr由0.730 μg·g-1降至0.362 μg·g-1, Cd由0.710 μg·g-1降至0.441 μg·g-1。随着乙酸溶液浓度的增加和浸泡时间的延长，青贻贝体内重金属(Pb、Cr、Cd)含量呈下降趋势。有趣的是，醋酸能够螯合绿色贻贝中所研究的重金属。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Aquatic procedia

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