Molecules, Volume 26, Issue 21
November-1 2021 - 431 articles
Cover Story: Phosphate and sulfate ions pose a substantial risk to aquatic life. Further, recovery of phosphorous is a vital challenge as it is a finite resource and is indispensable for agriculture. Thus, efficient removal and recovery is essential for aqueous ecosystems and the economy. Poly(melamine-co-formaldehyde) (PMF) with its high chemical resistance and its high amount of nitrogen functionalities represents an ideal adsorbent material. Here, PMF was synthesized in the form of mesoporous particles yielding specific surface areas up to 409 m2/g. Different amounts of silica nanospheres were utilized as a hard template. The obtained porous PMF particles achieved extremely high adsorption capacities for sulfate and phosphate ions. Selective adsorption of sulfate was achieved for hybrid SiO2 PMF particles.
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