Effect of nitrogen doping on titanium carbonitride-derived adsorbents used for arsenic removal
- Effect of nitrogen doping on titanium carbonitride-derived adsorbents used for arsenic removal
- 한지선; 이순재; 최근수; 김진홍; 하대권; 이창구; 안병렬; 이상협; 히로시 미즈세키; 최재우; 강신후
- Arsenic removal; Nitrogen doping; Micro-pores; Chlorination; First-principles calculation
- Issue Date
- Journal of hazardous materials
- VOL 302, 375-385
- Arsenic in water and wastewater is considered to be a critical contaminant as it poses harmful health risks.In this regard, to meet the stringent regulation of arsenic in aqueous solutions, nitrogen doped carbon-based materials (CN) were prepared as adsorbents and tested for the removal of arsenic ion from aqueoussolutions. Nitrogen-doped carbon (CNs) synthesized by chlorination exhibited well-developed micro-and small meso-pores with uniform pore structures. The structure and characteristics of the adsorbentsthus developed were confirmed by field-emission scanning electron microscopy, transmission electronmicroscopy, Brunauer–Emmett–Teller analysis, X-ray diffraction, X-ray photoelectron spectroscopy, andFourier transform infrared spectroscopy. Among the CNs developed, CN700 exhibited high adsorption
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