The Action of Khawa Clay Nano Composite in Bacterial Treatment

Abstract

The use of polymer nanocomposites as novel materials for water remediation has emerged as a promising alternative for disinfection of bacteria contaminated water. Sodium alginate, a natural biopolymer has been investigated in this study by encapsulating antimicrobial zinc oxide nanoparticles supported Khawa clay. The confirmation of the alginate nanocomposites was done by use of TEM, FESEM and XRD. The antimicrobial activity of khawa clay alginate nanocomposites was investigated by batch studies using wastewater outlet. The effect of Khawa clay ZNO-nanocomposite beads on total count of bacteria and count of enterobacteriacea has been studied. The inactivation results indicated that the nanocomposite effectively inactivated bacteria in wastewater. With an amount of 0.5 g of the khawa clay ,0.2 g, 0.5g,1g from nanocomposites beads, the decreased in number of bacterial count have an expulsion relationship with the increased of nano composition beads of khawa clay concentration. Development of clay-based adsorbents with high efficiency to capture bacteria from water will certainly be worthwhile due to their ready availability, low-cost and ease of preparation. Therefore, the results of this study have indicated that the alginate nanocomposites can be deemed as a potential antimicrobial agent for water disinfect. Sodium alginate immobilized microorganisms were found to be an environmentally friendly and cost-effective alternative for treatment of municipal and industrial wastewater outlet. The use of clay materials will be useful for disinfection and treatment of water and wastewater in the near future.