COI code: NCCPRANRVM01_029
Paper Language: English
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Authors Removal of Lead from Aqueous Solution by Low-Cost adsorbentsZaman Shamohamadi heidari - Assistant Professor, Department of Irrigation and Drainage Engineering
Hasan Jamali Armandi - Graduate Student, Department of Irrigation and Drainage Engineering
Milad Ghallehban Tekmedash - Student, Department of Irrigation and Drainage Engineering
Abstract:In This article removal of lead from an aqueous medium using rice husk, sawdust and sunflower stem is studied. First of all, the adsorbents were prepared and then passed through different number of sieves (no. 30 and 40) and they were obtained with a mean size of 500 μm. The Pb(II) solution was prepared with a concentration of 25 mg/l and adsorption tests were conducted. The results showed that the equilibrium time for rice tusk is 90 min and for each of the other adsorbents it was 120 min. an adsorption optimal pH was obtained 6 for each adsorbent. The experiments also showed that with reduction in the concentration of the input lead, from 80 to 1mg/l, the adsorption efficiency for all the adsorbents increased as the adsorption efficiencies for different adsorbents converged. Adsorption efficiency increases with mass increase, too. Isothermal adsorption tests showed that the Tompkins model had a better fitness than the Langmuir and Freunlich models.
Keywords:Rice husk, sawdust, sunflower stem, Tompkins adsorption isotherm, adsorption efficiency, lead
COI code: NCCPRANRVM01_029
how to cite to this paper:If you want to refer to this article in your research, you can easily use the following in the resources and references section:
Shamohamadi heidari, Zaman; Hasan Jamali Armandi & Milad Ghallehban Tekmedash, 2009, Removal of Lead from Aqueous Solution by Low-Cost adsorbents, 01st National Conference On Consumption Pattern Reforms In Agriculture, Natural Resources And Veterinary Medicine, زابل, دانشگاه زابل, https://www.civilica.com/Paper-NCCPRANRVM01-NCCPRANRVM01_029.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Shamohamadi heidari, Zaman; Hasan Jamali Armandi & Milad Ghallehban Tekmedash, 2009)
Second and more: (Shamohamadi heidari; Jamali Armandi & Ghallehban Tekmedash, 2009)
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