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Removal of Dyes by Biosorption on Biomass Ash

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2007, 8(1), pp.1-5
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General

V. K. Rattan 1 Harminder Singh 1 Abhiti Purai 1

1Panjab University

Candidate

ABSTRACT

The use of low cost and ecofriendly adsorbent has been investigated as an alternative to the current expensive method ofremoving dyes from wastewater. Cow dung cakes were collected from the nearby village which was burnt in a mufle furnaceat 50oC to obtain the required ash. This paper deals with the removal of Reactive Blue 221, Acidoll Yellow 2GNL and OliveBGL which are mainly used in textile industry, from aqueous solution by cow dung ash without any pretreatment. Theadsorption was achieved under different pH, adsorbate concentration and the applicability of Langmuir and Freundlichisotherms were examined.

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