Breakthrough behaviour of activated charcoal cloth samples against oxygen analogue of sulphur mustard

G. K. Prasad; J. Praveen Kumar; P. V. R. K. Ramacharyulu; Beer Singh

Carbon Letters

Abbr : Carbon Lett.
2015, 16(1), pp.19-24
Publisher : Korean Carbon Society
Research Area : Other Natural Sciences General

G. K. Prasad ¹, J. Praveen Kumar ², P. V. R. K. Ramacharyulu ³, Beer Singh ⁴

¹Defence Research and Development Establishment
²Defence Research and Development Establi
³Defence Research and Development Establi
⁴Defence Research and Development Establishment

ABSTRACT

The breakthrough behaviour of activated charcoal cloth samples against an oxygenanalogue (OA) of sulphur mustard has been studied using the modified Wheeler equation. Activated charcoal cloth samples having different surface area values in the range of 481to 1290 m2/g were used for this purpose. Breakthrough behaviour was found to dependon the properties of the activated charcoal cloth, properties of the OA and the adsorptionconditions. Activated charcoal cloth with a high surface area of 1290 m2/g, relatively largesurface density of 160 g/m2 and coarser fiber structure exhibited better kinetic saturationcapacity value, 0.19 g/g, against OA vapours when compared to others, thus confirming itspotential use in foldable masks for protection against chemical warfare agents.
KEYWORDS

chemical warfare agents, sulphur mustard, oxygen analogue, breakthrough time, activated charcoal cloth
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