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Use of modified biopolymer for the removal of emerging contaminants in wáter
(Instituto Tecnológico y de Estudios Superiores de Monterrey, 2024-11-15) Ramírez Miguel, Alvaro Cuauhtemoc; Almanza Arjona, Yara Cecilia; emipsanchez; Murillo Hernández, José Alberto; School of Engineering and Sciences; Campus Ciudad de México; Sánchez Rodríguez, Elvia Patricia
This thesis explores the development and application of modified biopolymers for sustainable water treatment, focusing on improving the removal of contaminants while aligning with principles of green chemistry. The research aims to develop a novel material to mitigate the environmental effect of conventional water treatment processes by introducing a more environmentally friendly alternative. The chemical modification of Microcrystalline Cellulose (MCC) involves grafting the biopolymer with Diallyldimethylammonium Chloride (DADMAC) using Ceric Ammonium Nitrate (CAN) as an initiator and microwave irradiation to enhance its coagulation and adsorption capabilities. Characterization techniques, including Fourier-Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscopy (SEM), Differential Scanning Calorimetry (DSC), and ThermoGravimetric Analysis (TGA) confirmed the successful grafting and provided insights into the material’s structural and chemical properties. Performance evaluations demonstrated improved removal of the emerging pollutants paracetamol and Red 40 dye, highlighting the potential of MCC-DADMAC as a novel approach in water treatment applications. This research contributes to the ongoing efforts to develop eco-friendly alternatives in water purification, leveraging biopolymers from agro-industrial waste and advancing the field towards more sustainable practices.

Ciencias Exactas y Ciencias de la Salud

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