Abstract
Heavy metals are major constituent of environmental pollution. Among the heavy metals, chromium (Cr) has received widespread attention due to its constant presence in the water body beyond the permissible limit. Hence, the present work discusses about the preparation of shrimp-based chitin/polyaniline composite that synthesized via in-situ chemical oxidative polymerization. A higher % yield of 80.53 % was derived from shrimp shells. The prepared composite was characterized via Fourier transform infrared (FTIR) and ultraviolet–visible (UV–Vis) spectroscopic techniques. Then, shrimp-based chitin/polyaniline was optimized in terms of pH, contact time and amount of adsorbent in the removal % of Cr (VI) from aqueous solution. The results suggests that, pH = 1, 20 mins of contact time and 10 mg of adsorbent is the most optimum condition for Cr (VI) removal from aqueous solution.
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