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Arsenic poisoning has been a great concern for the last two decades because of its extensive problems. Coagulation, ion exchange, ultrafiltration, and adsorption systems have been used for the removal... of arsenic from polluted water. In this study, the biosorption process was used owing to eco-friendly, simplicity, biodegradable, and cost effectiveness. The uptake of arsenic from contaminated water by Ulva lactuca, Spirulina platensis, Chlorella vulgaris, orange peel, NZVI, zeolite, and composite of NZVI and algae was studied. This study observed that Chlorella vulgaris and iron coated Chlorella vulgaris absorb arsenic more effectively than other algae and iron coated algae. After 24 hours, Chlorella vulgaris and Fe-coated Chlorella vulgaris absorbs 23% and 67% arsenic from contaminated water, respectively. The presented findings depicted the great potential of using bio-sorbents and the Fe-algae bio-composite for the removal of arsenic from contaminated aqueous solutions.続きを見る
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