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Adsorption of Eriochrome black-T azo Dye from Aqueous solution on Low cost Activated Carbon prepared from Tridax procumbens

Author Affiliations

  • 1R and D Center, Department of Chemistry, Sai Vidya Institute of Technology, Bengaluru-560 064, INDIA
  • 2Research and Development Center, Bharathiar University, Coimbatore-641 046, INDIA
  • 3Department of Chemistry, Rajiv Gandhi Institute of Technology, Bengaluru-560 023, INDIA
  • 4Department of Chemistry, M.S. Ramaiah Institute of Technology, Bengaluru-560 054, INDIA

Res.J.chem.sci., Volume 5, Issue (3), Pages 9-13, March,18 (2015)


In the current study, low cost activated carbon was prepared from the stem and flowers of widespread weed Tridax procumbens. Chemical activation method was used to prepare activated carbon; sulphuric acid was used as activating agent. The surface morphology was studied by field emission scanning electron microscopy. The variations in the functional groups were identified by means of Fourier transform Infrared analysis. Adsorption of environmentally hazardous anionic Eriochrome Black-T (EBT) azo dye onto the activated carbon was studied with various parameters such as effect of contact time, dosage, pH, initial dye concentration. From the result it reveals that the activated carbon prepared from Tridax procumbens is an excellent adsorbent for the azo dyes at lower pH.


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