TY - JOUR T1 - Continuous interfacial centrifugal separation and recovery of silver nanoparticles JF - Chemical Engineering & Technology Y1 - 2020 A1 - Deshpande, Jaydeep B. A1 - Navale, Govinda R. A1 - Dharne, Mahesh S. A1 - Kulkarni, Amol A. KW - Annular centrifugal extractor KW - Antimicrobial activity KW - Continuous-flow separation KW - Liquid-liquid interface KW - silver nanoparticles AB -

Continuous-flow separation and recovery of silver nanoparticles (AgNPs) using an annular centrifugal extractor (ACE) is demonstrated. Separation was achieved at the liquid-liquid interface based on the balance between centrifugal force and the solubility of the capping agent. A mathematical model is presented to understand the mechanism in greater detail. The separation of poly(vinylpyrrolidone) (PVP)-coated AgNPs in an ACE using a strong immiscible solvent was performed. The material accumulated at the interface was separated periodically without discontinuing the operation. The method is also suitable for separation of large particles or 1D/2D nanostructures even employing a single annular centrifugal extractor. Stable AgNPs were selected for a detailed antimicrobial activity study.

VL - 43 IS - 3 U3 -

Foreign

U4 -

3.742

ER -