Publications by authors named "Atchara Aunwisat"
Article Synopsis
- A new composite hydrogel made from tannic acid, polyvinylpyrrolidone, and polyvinyl alcohol was created to effectively remove copper from water, showing a sorption capacity of 297.0 mg/g at pH 4.
- The hydrogel's swelling behavior changed based on pH, and its adsorption kinetics followed a pseudo-second order model, while thermodynamic studies indicated a spontaneous and exothermic process.
- The material's structure was analyzed using various techniques, confirming that copper binds to specific functional groups, and it demonstrated impressive reusability, maintaining over 87% efficiency after five cycles, suggesting its potential for treating wastewater from industries like electroplating.
