Development of new nanocomposites for the remediation of contaminated water

CANO, L.A.; LAURA SANCHEZ; OLLIER, ROMINA P.; ALVAREZ, VERA A.

Conferencia; 12TH EDITION OF GLOBAL CONFERENCE ON CATALYSIS, CHEMICAL ENGINEERING AND TECHNOLOGY; 2022

The development of new hybrid adsorbents based on polymers has opened new opportunities in terms of their application in the removal of contaminants, especially those present in aqueous systems. Among them, hydrogels constitute one of the most outstanding families in biological, medical and technological areas and today they play a fundamental role in sectors with high socio-economic impact. These basically consist of a soft and usually low-cost hydrophilic polymer, which forms a three-dimensional network and has the capacity to adsorb a large number of fluids withoutdissolve. On our platform we offer the development of nanomaterials with polymers and the design of new multifunctional filter systems, with adsorbent materials with a rigid structure, easy to use, resistant, reusable, with novel physical-chemical properties and with the possibility of being transferred to society or the world. productive medium.Magnetic nanoparticles (MNPs) of iron oxides coated with polyacrylic acid (PAA), polyvinyl alcohol (PVA) ferrogels incorporating the MNPs, hydrogels in film format and PVA beads alone and combined with PAA, chitosan and sodium alginate, reinforced with natural and modified bentonite (national clay), hydrotalcite and carbon particles. As a result, a range of nanomaterials with different specific properties and functionalities has been obtained. In all cases, priority has been given to the implementation of low-cost and environmentally friendly raw materials, of simple and easy-to-apply techniques for obtaining them. The different developed materials that make up the platform have proven to be effective adsorbents of dyes of different chemical nature, metals such as Cadmium and Arsenic, anions such as nitrates and phosphates, and emerging contaminants such as antibiotics.