Removal of a textile dye using bioadsorbent chitin obtained from harmful insect, Polyphylla fullo (Coleoptera: Scarabaeidae)

Gamze KUŞÇU, Yavuz SÜRME, Osman SEYYAR


The novel bioadsorbent, Polyphylla fullo chitin, was utilized for Lanaset Blue-2R removal from aqueous solution. The characterization of Polyphylla fullo chitin was investigated by FT-IR and SEM techniques. Dye removal studies were carried out in a batch system. Removal performance of the bioadsorbent was evaluated under various conditions: bioadsorbent amount, solution pH, contact time, interfering ions and initial dye concentration. SEM micrographs revealed that the highly porous surface of Polyphylla fullo chitin could act as promising material for the removal of Lanaset Blue-2R dye. The effect of solution pH on the removal of dye was significant. Maximum dye removal value was obtained at pH 5. The presented study proofs that a novel and low cost material, Polyphylla fullo chitin, can be utilized as an effective biosorbent (above 90 %) for removal of a textile dye from aqueous solutions.


Polyphylla fullo, chitin, lanaset blue 2R, UV-Vis. spectroscopy.

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