Liquid Phase Adsorption of Activated Carbon Fibers

활성탄소섬유의 액상흡착

  • Received : 2000.06.05
  • Published : 2000.10.25

Abstract

Activated carbon fibers (ACFs) were prepared from various precursors of plantic, synthetic, and mixed fabrics of viscous rayon and cotton. Their adsorption performances of phenol and methylene blue in aqueous phase were evaluated through their adsorption isotherms, adsorption rates and breakthrough curves. The two adsorbates showed type I adsorption isotherm on ACFs. Adsorption rates to ACFs were 100 fold faster than to GAC. The effective diffusion coefficients of the adsorbates in ACFs were twenty fold greater than in GAC. The ACFs removed completely ten organic pollutants from a prepared water specimens through the 2nd column of a natural filtration method where 50 L of the water samples were treated.

Keywords

Activated Carbon Fiber (ACF);phenol;methylene blue;liquid adsorption isotherm;adsorption rate;effective diffusion coefficients;breakthrough curves;organic pollutants

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Acknowledgement

Supported by : 충북대학교