Non-conventional low-cost adsorbents for dye removal: a review.

  title={Non-conventional low-cost adsorbents for dye removal: a review.},
  author={Gr{\'e}gorio Crini},
  journal={Bioresource technology},
  volume={97 9},
Adsorption techniques are widely used to remove certain classes of pollutants from waters, especially those that are not easily biodegradable. Dyes represent one of the problematic groups. Currently, a combination of biological treatment and adsorption on activated carbon is becoming more common for removal of dyes from wastewater. Although commercial… CONTINUE READING