Posidonia oceanica (L.) ölü yapraklarindan aktif karbon eldesi ve karakterizasyonu

Posidonia oceanica (L.) is an endemic species in the Mediterranean Sea. As other terrestrial plants, Posidonia oceanica (L.) patches off seasonally and these dead leaves of Posidonia oceanica (L.) accumulate on the beaches. However, tonnes of this dead leaves on the beaches are considered as the waste material in Turkey. These wastes can be used as raw materials for the production of activated carbons. In this study activated carbons were prepared by chemical activation from Posidonia oceanica (L.) dead leaves. The preparation process consisted of zinc chloride impregnation followed by carbonization in nitrogen atmosphere. The carbonization temperature was raised to 600 °C from room temperature. Prepared activated carbons were characterized by SEM, FT-IR, SBET and pore structural parameters. The adsorption capacities of Posidonia oceanica (L.) dead leaves based chemically activated carbons to remove methylene blue from aqueous solution under varying conditions of initial concentration, carbon dosage, pH, temperature were investigated. The results showed that the increased ZnCl2 concentration (0% to 45%), increased BET surface area, micro and mezo pore volume and the adsorption capacity on MB as well. In conclusion, dead leaves of Posidonia oceanica (L.) can be used as a raw material for preparation of activated carbon.