Abstract

JARAMILLO, Ana Cristina; ECHAVARRIA, Ana María  and  HORMAZA, Angelina. Box-Behnken Design for Optimizing the Acid Blue Dye Adsorption on Flower wastes. ing.cienc. [online]. 2013, vol.9, n.18, pp.75-91. ISSN 1794-9165.

In this paper we identified the best conditions for the removal of Acid Blue 9 dye (AB9) using flower wastes (FW) as an adsorbent were determined using a full factorial 2³ and a Box-Behnken design for further optimization. Adsorbent dose (D), dye concentration (C) and contact time (t), were the assessed variables. The dye content was quantified by UV-Vis spectrometry. The statistical model presented an adequate adjustment coefficient (R2 = 99,18%), allowing to achieve a removal of 98,5% with a dosage of 7,8 gL^-1, dye concentration of 7,11 mgL^-1 and contact time of 104 min. These results suggest that flowers wastes are an alternative and potential adsorbent material for the treatment of dissolved acid dyes.

Keywords : removal of dyes; acid blue 9; alternative adsorbents; response surface designs.

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