Effective Removal of Cyanide and Heavy Metals from an Industrial Electroplating Stream Using Calcium Alginate Hydrogels

A real electroplating wastewater, containing 51,190 mg/L of free cyanide (CN<sub>f</sub>), 4899 mg/L of Ni and 1904 mg/L of Cu, was treated with calcium alginate hydrogel beads (CAB), pure or impregnated with biodegraded grape marc (EBGM) or activated carbon (EAC) in order to reduce the...

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Bibliographic Details
Main Authors: Benita Pérez-Cid, Sergio Calvar, Ana Belén Moldes, Jose Manuel Cruz
Format: Article
Published: MDPI AG 2020-11-01
Online Access:https://www.mdpi.com/1420-3049/25/21/5183