Abstract:Crab shell waste can cause pollution to the surrounding environment, but has the potential to be used as a biosorbent in the absorption of heavy metals, especially Pb because crab shells contain CaCO3 and chitin. Methods: Several variables that play a role in the biosorption process, among others: initial metal concentration, biosorbent mass, and contact time. Pb metal was determined by the Atomic Absorption Spectroscopy (AAS) method. Results: The results showed that the crab shell biosorbent contained Pb 0.01… Show more
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