Nurchi, Valeria Marina and Crespo-Alonso, Miriam and Biesuz, Raffaela and Alberti, Giancarla and Pilo, Maria Itria and Spano, Nadia and Sanna, Gavino (2014) Sorption of chrysoidine by row cork and cork entrapped in calcium alginate beads. Arabian journal of chemistry, Vol. 7 (1), p. 133-138. ISSN 1878-5352. eISSN 1878-5379. Article.
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Azo-dyes, molecules characterised by the presence of the azo-group (–NN–), are widely used in textile, leather, rubber, plastic, and food industries. Water-soluble azo-dyes are greatly resistant to biodegradation, and are characterised by a high thermal and photo stability due to their complex structures. The release of these molecules into the environment is of crucial concern due to their toxic, mutagenic and carcinogenic characteristics. Biosorption has been demonstrated an effective method to remove pollutants from wastewaters thus solving ecological tasks, being a low cost process and the sorbent biodegradable. The main requirements of an efficient sorbent are thermal, chemical and mechanical stability, and rapid sorption.
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