Study on Environmental Materials with Aspergillus niger as Adsorbent for Sequestering Pb(II) from Aqueous Solution

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Mining, smelting, processing, and industrial production emissions of waste heavy metal pollution is serious, and the enrichment of heavy metals, it is difficult to be degraded in the natural environment. Conventional methods for removing metals may be ineffective extremely expensive. not eco-friendly.Based on wastes recycling and circular economy, this thesis studied the characteristics of industrial fermentation waste A.niger as adsorbent for sequestering Pb(II) from aqueous solution. .Optimum biosorption was observed to be 72% at pH 5.5,biosorbent dose 1.5 mg/L, initial Pb(II)concentration 250 mg/L.A.niger can be used as a new economic and eco-friendly environmental materials of metal adsorption.

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119-123

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March 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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