Preparation and characterization of a novel magnetic biochar for arsenic removal

• Published in: Bioresource technology Vol. 130; pp. 457 - 462
• Main Authors: Zhang, Ming, Gao, Bin, Varnoosfaderani, Sima, Hebard, Arthur, Yao, Ying, Inyang, Mandu
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier Ltd 01.02.2013; Elsevier
• Subjects: Adsorption; Arsenic; Arsenic - isolation & purification; Biochar; Biological and medical sciences; Biomass; Black carbon; Charcoal; Charcoal - chemistry; chemistry; energy-dispersive X-ray analysis; Ferric Compounds; Ferric Compounds - chemistry; Ferromagnetism; Fundamental and applied biological sciences. Psychology; isolation & purification; Kinetics; Magnets; Magnets - chemistry; Micrometers; Nanocomposite; Nanostructure; particle size; Particulate composites; Scanning electron microscopy; Sorption; transmission electron microscopy; Water Pollutants, Chemical; Water Pollutants, Chemical - isolation & purification; X-ray diffraction; X-ray photoelectron spectroscopy; X-rays; γ-Fe2O3; Nanocomposite; Adsorption; Biochar; Black carbon; γ-Fe2O3; Carbonization; Arsenic; γ-Fe; Iron III Oxides; Charcoal; O

[Display omitted] ► A magnetic biochar can be fabricated via pyrolysis of FeCl3 treated biomass. ► Colloidal or nanosized γ-Fe2O3 particles grow within biochar matrix. ► Biochar/γ-Fe2O3 composite has excellent ferromagnetic properties. ► Biochar/γ-Fe2O3 composite has strong sorption ability to As(V)...