[{
  "type": "article-journal",
  "title": "ADSORPTION OF CR (III) IONS THROUGH EFFICIENT AND ECO-FRIENDLY ADSORBENTS",
  "author": [
    {
      "family": "Shoaib",
      "given": ""
    },
    {
      "family": "Aslam",
      "given": ""
    },
    {
      "family": "Aslam",
      "given": ""
    }
  ],
  "issued": {
    "date-parts": [[2014]]
  },
  "container-title": "Journal of Animal and Plant Sciences",
  "ISSN": "1018-7081",
  "volume": "24",
  "issue": "4",
  "page": "1224-1229",
  "DOI": "NA",
  "abstract": "<p>Biosorption technology has evoked tremendous interest to manipulate natural resources as an alternative to expensive and cautionary chemical based procedures opted as purification treatment for industrial effluents. Feasibility of&nbsp;<em>Ficus bengalensis&nbsp;</em><em>L.&nbsp;</em><em>(banyan), Ficus religiosa</em><em>&nbsp;L. (pippal), Helianthus&nbsp;</em><em>annus&nbsp;</em>L. (sun flower) leaves and&nbsp;<em>Oryza sativa&nbsp;</em>L. (rice) straw were tested for removal of chromium(III) ions from the aqueous solution. Batch trials showed these four adsorbents hold 70-80% adsorption efficiency at dose of 0.5 g, pH 4.5, and at 35 mg L-1 of metal concentration. Fourier Transform Infrared Spectroscopy (FTIR) explored amine (-NH2) and hydroxyl (-OH) as a predominant contributor in binding of Cr(III) on to adsorbents biomass. Both Langmuir and Freundlich sorption isotherms fitted data well at concentrations of 20, 40, 60, 80 and 100 mg L-1 and showed physico-chemical type of adsorption. pH optimization trials at values of 2, 4, 6, 8 and 10, revealed the maximum adsorption efficiency of 80-84% at pH 4 by all adsorbents. The study concluded that the biomass of&nbsp;<em>F. religiosa</em>,&nbsp;<em>F. bengalensis</em>,&nbsp;<em>H. annus</em>&nbsp;and&nbsp;<em>O. sativa</em> could be utilized as naturally abundant, easily available and low cost adsorbents for the removal of Cr(III) ions from dilute aqueous solution (20-100 mg L-1).</p>",
  "publisher": "Pakistan Agricultural Scientists Forum",
  "URL": "https://thejaps.org.pk/AbstractView.aspx?mid=2014-JAPS-175"
}]