Effect of pH on Biosorption Ion Cd(II) in Solutions using Lengkuas Merah (Alpinia Gralanga)

Ahmad Faris Fauzi, Lisa Utami

Abstract


The biosorption characteristic of Cd(II) ions from aqueous solution using Lengkuas Merah (Alpinia Gralanga) were investigated as a function of pH. The maximum biosorption capacity of a Lengkuas Merah (Alpinia Gralanga) for Cd(II) was found to be 18,37 mg/L and 91,85% at optimum pH was 10. At pH 2 to 10 the biosorption of Cd ions tends to increase. The result showed that the lengkuas merah  can be evaluated as an alternative biosorbent to treatment waste water containing Cd(II). A Lengkuas Merah is low cost and has considerable high biosorption capacity.

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DOI: https://doi.org/10.24114/ijcst.v1i1.10596

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