Fixed Bed Column Studies for the Sorption of 2,4,6-Trinitrotoluene on the Aminated Lignin

Jian Ping Zhang; Xiao Yan Lin; Xue Gang Luo; Chi Zhang

doi:10.4028/www.scientific.net/AMR.221.635

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 221Fixed Bed Column Studies for the Sorption of...

Fixed Bed Column Studies for the Sorption of 2,4,6-Trinitrotoluene on the Aminated Lignin

Abstract:

A fixed bed column of aminated lignin (AmL) was used for the adsorption of 2,4,6-trinitrotoluene (TNT) from aqueous solution. The effects of AmL, bed height, inlet TNT concentration and feed flow rate on the breakthrough characteristics of the adsorption system were studied. It was found that deeper bed depth, higher initial concentration and lower flow rate were favorable to the adsorption of TNT on the AmL column. The adsorption data fitted well with the Thomas and Yoon–Nelson models. The AmL was shown to be suitable adsorbent for adsorption of TNT using fixed-bed adsorption column.