Comportamiento de la bioadsorción del colorante azul brillante FCF, con la cascarilla de arroz y cáscara de piña, frente al carbón activado utilizado en el tratamiento de aguas residuales en Colombia.

Abstract

The colorants presence is one of the most startling problems in residual waters, considering the food, cosmetic and textile industries as the ones with the higher impact regarding water pollution, given that for those products production a large amount of water is needed and, at the same time, are the ones that add the higher amount of pollulants in residual water due to their sheddings, like: suspended solids, biodegradable organic material, pathogens, nutrients, priority pollulants, heavy metals and inorganic dissolved solids. Among these pollulants are the colorants (Metcalf & Eddy, 1995) The colorants have diverse pollulants, like inirganic salts, starch, peroxides, EDTA, tense assets, enzymes, surfactants, metals and other organic compounds with varied composition, ehich ares designed to be highly resistant, even over microbial degradation, hence, those sre hard to remove with a conventional treatment. ( Zaruma Arias, Proal Nájera, Chaires Hernández, & Salas Ayala, 2018) The adsorption is a trestment which looks for the soluble substances catchment whenever these are present in a solution, in the physiochemical residual water treatment. This interface could be found among a liquid and a gas, a solid or two different liquids, which is made through activated carbon. An alternative of the activated carbon usage, is the bioadsorption, since this is considered as a physiochemical process that includes the molecule and ions adsoption phenomenon. This unconventional method has the water pollution removal as goal, like colorants from the industrial sector, using fruit shells, agricultural products and some kinds of biopolymers as adsorbents. These materials are low cost and could be easily found in nature; also, their transformation as bioadsorbent is not an expensive process. (Tejada Tovar, Villabona Ortiz, & Garcés Jaraba, 2015) In order to do this, a bibliographic analysis is needed, by using databases, scientific articles, repositories and books, which have the adsoption as an alternative to reduce the Bright Blue fcf colorant, as the primary water pollutant and, therefore, to take advantage of organic residuals (rice husk and pineapple shell), which don't have value added for the residual water treatment, over the activated carbon.