Abstract
The present study aims to prepare novel quinoa biosorbent (QB), acid activated QB (QB/Acid) and its nanocomposite with magnetic nanoparticles (QB/MNPs) for batch scale Cr removal from contaminated water. The Cr adsorption was systematically studied at different pH (2–9), adsorbent dosage (1–3 g/L), initial concentration (25–200 mg/L), contact time (180
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