The aquatic plant water hyacinth is a powerful tool for mediating pollution from aquatic environment.PM3 semiempirical method and FTIR spectroscopy was used to predicate the mechanism of pollution control.First the plant is subjected to acetic acid 0.1 M for 19 hours.FTIR proves that the plant is cellulose like material.Furthermore, the acetylated plant is looks like cellulose acetate.The mechanism of acetylation is tested using PM3 method.CH 3 COOH is interacted with OH of CH 2 OH by two ways.The first is through H-bonding of CH 3 the second is through the interaction of the H-bonding of COOH.The mechanism of divalent metal removal was such that Cd as an example is coordinated with acetylated plant either through two OH of CH 2 OH or through two COOH attached with CH 2 OH.
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Ibrahim et al. (2010) studied this question.
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