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GAC ADSORPTION OF A MIXTURE OF NATURAL ORGANIC MATTER AND VOCS IN THE PRESENCE AND ABSENCE OF MOLECULAR OXYGEN
Citation:
Vidic, R., G. Sorial, S. Papadimas, M. Suidan, AND T. Speth. GAC ADSORPTION OF A MIXTURE OF NATURAL ORGANIC MATTER AND VOCS IN THE PRESENCE AND ABSENCE OF MOLECULAR OXYGEN. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/A-92/052 (NTIS PB92153782), 1992.
Description:
In an attempt to determine the effects of molecular oxygen on activated carbon adsorption modeling; isotherms, microcolumns, and pilot-columns are completed in the presence and absence of molecular oxygen. he results show that in oxic conditions, natural organic matter has a higher adsorption capacity than in anoxic conditions. olecular oxygen does not affect the adsorption capacity of target compounds in distilled water, however in the presence of natural organic matter, the adsorption capacity of the target compounds decrease in oxic conditions due to an increased competitive effect from the natural organic matter. he results also show that the constant diffusivity scale-up approach is more accurate under these conditions than the linear-diffusivity scale-up approach.
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GAC ADSORPTION OF A MIXTURE OF NATURAL ORGANIC MATTER AND VOCS IN THE PRESENCE AND ABSENCE OF MOLECULAR OXYGEN