Sorption of Bright Yellow Dyes by Filter Papers

Abstract:

The constant search for the removal of organic and inorganic pollutants has been largely intensified lately, as has the search for efficient techniques. With that, this work aims to test two filter papers of different origins to identify their interaction with the bright yellow dye and to determine the adsorption capacity of each paper. Various parameters were studied (pH, time, temperature, and concentration) and it was possible to verify that the best interaction conditions between the material and the dye were 180 minutes, pH 2, and temperature of 298 K, with a maximal capacity at approximately 7 mg of dye per gram of material, with a kinetic adjustment to the pseudo-second-order model. Thus, these results prove that the paper interacts with the dye, and it can be used as an adsorbent.

• Periodical: Materials Science Forum (Volume 869)
• Pages: 735-739
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.869.735
• Online since: August 2016
• Authors: Elton Marks de Araujo Braz, Mirna Sales Loiola Rosa, Maria Rita de Morais Chaves Santos, Luiz de Sousa Santos Jr., Josy Antoveli Osajima, Edson Cavalcanti da Silva Filho
• Keywords: Adsorption, Cellulose, Dye

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