Synthesis of Potato-Starch Based Bio-nanocomposite for the Removal of Trifluralin Under Visible Light Illumination

Starch based bio-nanocomposite has been introduced as a potential agent in order to upgrade the water quality. The current work describes the synthesis of bio-nanocomposite of starch and Ce (IV) sulphatoarsenate for the elimination of Trifluralin. For the analysis of synthesized material, various instrumental techniques including as TEM, SEM, FTIR, XRD and EDX were used. The SEM images shows the rough and porous surface of starch-Ce(IV) sulphatoarsenate bio-nanocomposite. Bio-nanocomposite has the potential to degrade Trifluralin (93.54%) within in 160 min. The influence of other parameters on the photodegradation of Trifluralin were also investigated such as photocatalyst dosage, pH effect and time. The ion exchange capacity of the starch-Ce(IV) sulphatoarsenate composite ion exchanger was found to be 1.77 meq/g, as compared to Ce(IV) sulphatoarsenate which was 0.35 meq/g. Starch-Ce(IV) sulphatoarsenate was found highly selective for arsenic metal ion with enhanced K_d value of 87.3 mL/g.