AMINE FUNCTIONALIZED CHITIN FOR REMOVING MUNITIONS COMPOUNDS FROM SOLUTIONS

AMINE FUNCTIONALIZED CHITIN FOR REMOVING MUNITIONS COMPOUNDS FROM SOLUTIONS

The invention is a renewable adsorbent material, amine-functionalized chitin (AFC) that can remove the following munitions compounds from solution while providing a concentration-dependent color change: NTO, DNAN, and TNT. Adsorption of the munitions constituents can be adjusted by pH; neutral pH pr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Gurtowski, Luke A
Format: Patent
Sprache:eng
Schlagworte:
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOSITIONS BASED THEREON
DERIVATIVES THEREOF
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
POLYSACCHARIDES
THEIR PREPARATION OR CHEMICAL WORKING-UP
THEIR RELEVANT APPARATUS
TRANSPORTING
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Beschreibung
Zusammenfassung:The invention is a renewable adsorbent material, amine-functionalized chitin (AFC) that can remove the following munitions compounds from solution while providing a concentration-dependent color change: NTO, DNAN, and TNT. Adsorption of the munitions constituents can be adjusted by pH; neutral pH provides maximum adsorption. NTO can desorb from the AFC at pH levels of 2 and 12; DNAN and TNT remain attached to AFC once adsorbed.