Structural and adsorption properties of active carbon from coconut shells modified with phosphorus heteroatoms View Full Text


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Article Info

DATE

2012-09

AUTHORS

A. M. Puzii, S. S. Stavitskaya, O. I. Poddubnaya, V. M. Vikarchuk, N. N. Tsyba

ABSTRACT

New phosphorus-containing carbon adsorbents have been obtained by modification of coconut shells with phosphoric acid at temperatures of 400-900 °C in a stream of argon. The carbon modified with phosphoric acid has a somewhat reduced porous structure. The presence of 4-5 types of surface group, 22-29% of which contained phosphate groups, was demonstrated by potentiometric titration. The quantity of phosphate groups increased when the temperature of the thermal treatment was increased. The phosphate-containing carbon has a greater adsorption capacity with respect to heavy metals than oxidized carbon. More... »

PAGES

272-277

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s11237-012-9272-8

DOI

http://dx.doi.org/10.1007/s11237-012-9272-8

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1011873456


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