Recovery of Cr(VI), Au(III), and Pd(II) via Physically Crosslinked Aminoclay/Polyvinyl Alcohol Microgels Generated by Microfluidic Techniques
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This study presents an innovative method for the efficient recovery of chromium (Cr(VI)), gold (Au(III)), and palladium (Pd(II)) using physically crosslinked aminoclay/polyvinyl alcohol (PVA) composite microgels. Synthesized via a microfluidic process, these microgels offer precise control over size and uniformity. The aminoclay/PVA composite microgels exhibit high adsorption capacities due to their large surface area and functional groups. Microfluidic generation improves their physical stability and enhances metal ion recovery efficiency. Batch adsorption experiments demonstrated effective adsorption and recovery of Cr(VI), Au(III), and Pd(II) from aqueous solutions. This method provides a scalable solution for industrial wastewater treatment, focusing on valuable metal recovery and toxic ion removal. Our findings highlight the potential of aminoclay/PVA composite microgels as a versatile material for environmental remediation and resource recovery applications.