AP19175733 Development of a universal polymer clay composite with high antiseptic characteristics based on modified bentonite clays of Kazakhstan and polymers for water purification

Relevance

Purification of drinking water and wastewater from biological and organic pollutants, as well as heavy metals, is an important task in conditions of increasing anthropogenic impact on the environment. The development of new polymer-clay composites based on bentonites of Kazakhstan with silver nanoparticles and nonionic polymers makes it possible to create effective and versatile sorption materials. Their use contributes to improving the quality of water treatment, which is especially important for industry, agriculture and environmental programs.

Purpose

Development of a universal polymer clay composite with high antiseptic and performance characteristics based on thermo- and acid-activated and decationated bentonite clays of Kazakhstan with silver nanoparticles in bulk, combined with nonionic polymers PAA and PGE, as well as MCCS for the purification of drinking and wastewater from biological, organic pollutants and heavy metals.

Expected and achieved results

In the course of the study, the optimal modification technique was determined, including holding samples in a solution of silver nanoparticles at a set ratio that ensures uniform particle distribution. A comprehensive analysis of the morphological, physico-chemical and sorption characteristics of the modified samples using X-ray fluorescence analysis on a Rigaku NEX CG II spectrometer, scanning electron microscopy and the BET method on a Micromeritics ASAP 2020 surface analyzer confirmed their potential for use in sorption and catalysis processes where materials with high activity and stability are required. The SKZ1060A analyzer was used for thermogravimetric analysis, which makes it possible to evaluate the thermal stability and weight changes of samples during heating.