Phosphorus and algae removal via adsorption: batch tests
by Ahmad A. Ghadban; Md. Maruf Mortula
International Journal of Sustainable Society (IJSSOC), Vol. 8, No. 2, 2016

Abstract: Many recent studies showed the efficiency of using adsorption for phosphorus removal from wastewater; however, none addressed its removal from seawater or the removal of algae via adsorption. The objective of this paper is to investigate the efficiency of using adsorption as a treatment process to remove microalgae and phosphorus. Activated alumina was used as an adsorbent. Results revealed that acidic conditions (pH = 5) and an adsorbent particle size of 0.6 mm were the most feasible experimental conditions for treatment. The removal percentages were more than 84% for phosphorus and more than 40% for chlorophyll-a using only 4 g/L of activated alumina. The results also showed that the removal density increased with the increase of initial phosphorus and chlorophyll-a concentrations while the percentage removal decreased. It was also observed that both phosphorus and chlorophyll-a removals were increasing as the adsorbent particle size decreased.

Online publication date: Mon, 04-Jul-2016

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