Estudo da capacidade de adsorção de corante utilizado na indústria têxtil utilizando material adsorvente obtido a partir da cápsula do fruto da Paineira, Chorisia speciosa

Abstract

Aiming at the growing demand of industrial waste treatment processes, throwed at the nature, the adsorption process using vegetal species' bark is a viable alternative. Through the adsorption process studied in this work, it was searched the removal of dye frequently found on effluents from the textile industry, by the obtainment of an adsorbent material from the bark of the fruit Paineira (Chorisia speciosa A. St. - Hil), a specie which is found in abundance in Mato Grosso do Sul. The capsule of paineira rosa's fiber was submitted to trials to verify its efficiency at the removal process of the blue dye CIBACRON (FN-R), one of the reactives dyes generally used at the dyeing of cellulosic fibers. In this process, the influence of the variables was studied: grade of agitation and the temperature over the grade of the dye removal from residual bath. The obtained results demonstrated that the material descendant from grinding the bark fruit Paineira in natura, has high adsorption capacity. As expected, the study showed that the grade of agitation has a significant influence over the grade of dye removal from residual bath; since the temperature, at the studied levels, didn't show an outstanding influence on the grade of dye removal. It concludes that the C. speciosa's fiber capsule is efficient at blue dye CIBACRON FN-R removal.