Water-dispersible magnetite-reduced graphene oxide composites for arsenic removal.
摘要：
Magnetitegraphene hybrids have been synthesized via a chemical reaction with a magnetite particle size of 10 nm. The composites are superparamagnetic at room temperature and can be separated by an external magnetic field. As compared to bare magnetite particles, the hybrids show a high binding capacity for As(III) and As(V), whose presence in the drinking water in wide areas of South Asia has been a huge problem. Their high binding capacity is due to the increased adsorption sites in the MRGO composite which occurs by reducing the aggregation of bare magnetite. Since the composites show near complete (over 99.9%) arsenic removal within 1 ppb, they are practically usable for arsenic separation from water.
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DOI：
10.1021/nn1008897
被引量：
年份：
2010
Taylor & Francis
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