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Title of Journal: Int J Environ Sci Technol

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Abbravation: International Journal of Environmental Science and Technology

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Springer-Verlag

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DOI

10.1002/mus.20018

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1735-2630

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Adsorption of lead using a new green material obta

Authors: A Dubey S Shiwani
Publish Date: 2011/11/22
Volume: 9, Issue: 1, Pages: 15-20
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Abstract

In the present study the potential of a new green material obtained from Portulaca oleracea plant was investigated The material was used without any chemical treatment to study the adsorption behavior of lead ions from aqueous solution Various batch experiments were carried out using different experimental conditions such as pH contact time adsorbent concentration and metal ion concentration to identify the optimum conditions The influence of these parameters on the adsorption capacity was studied Results showed the optimum initial pH for adsorption as 6 Adsorption equilibrium was reached in 120 min The adsorption data were modeled using both the Langmuir and Freundlich classical adsorption isotherms Results show ~78 removal of lead from aqueous solution The kinetic data corresponded well with pseudo secondorder equation From the initial results the green material obtained from the waste of Portulaca seems to be a potential lowcost adsorbent for removal of lead ions from water

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  2. Efficiency of chelating agents in retaining sludge-borne heavy metals in intensively applied agricultural soils
  3. Assessment of noise exposure and associated health risk in school environment
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  6. Characterization of microbial communities in a granular activated carbon–sand dual media filter for drinking water treatment
  7. Two-phase anaerobic co-digestion of used vegetable oils’ wastes and pig manure
  8. Sorption of Cd 2+ ions onto zeolite synthesized from perlite waste
  9. Isotherms for the sorption of zinc and copper onto kaolinite: comparison of various error functions
  10. Water quality index of the ground water of bitumen deposit impacted farm settlements using entropy weighted method
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  12. Willingness to pay for improved residential waste management in a developing country
  13. Aerobic and anaerobic ammonium-oxidising bacterial enrichment from municipal solid waste
  14. Biosorption of heavy metals by organic carbon from spent mushroom substrates and their raw materials
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