Photo Catalytic Degradation of Methyl Blue Dye and Enhanced Antibacterial Properties of Treated Wool with ZrCL4 and Dyeing with Madder

Abstract

This research aims to create the photo catalytic degradation of methyl blue dye and enhanced antibacterial properties on wool fabric using ZrCl 4 particles. Wool fabrics were treated with different concentrations of zirconium salt in water solution including %1, %3, %6 and 9% o.w.f. and the dyeing process was carried out on the fabrics in the states before, simultaneously and after the mordanting with madder.Formic acid was used to generate acidic pH.The photo catalytic properties of the fabrics were examined through evaluating the color removal from the stained fabric with Methylene Blue. The antibacterial properties were determined by reduction growth of a Gram-negative bacterium E. coli and a Gram-positive bacterium Staphylococcus aureus. Furthermore, the FTIR spectrum of some samples was analyzed. The SEM pictures and EDX spectrums of some samples were also reported.

Visible Light Photocatalysts Based on Manganese Doped TiO2 Integrated Within Monolithic Reduced Graphene Oxide/Polymer Porous Monolith

“…The bonds CÀ S and CÀ N are the most active parts of the MB remaining structure and can be easily broken by the radicals, the mechanism of which was already explained. [57][58][59] The electrophilic attack of the OH radicals on the free doublet of heteroatom S, cause the oxidation of CÀ S and CÀ N. The transformation from CÀ S + = C into CÀ S(= O)-C requires conservation of the double bond, which induces the opening of the central aromatic ring containing both heteroatoms (S and N). The origin of the H atoms necessary for C-H and N-H bond formation is proposed to be from proton reduction by photo-generated electrons, as this has already been observed in MB dehydrogenation.…”