Removing Lead Ions from Aqueous Solutions with Sulfur-Impregnated Adsorbents

Takaaki Wajima

doi:10.4028/www.scientific.net/AMR.684.198

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 684Removing Lead Ions from Aqueous Solutions with...

Removing Lead Ions from Aqueous Solutions with Sulfur-Impregnated Adsorbents

Abstract:

The removal of lead ions from aqueous solutions was studied using a sulfur-impregnated adsorbent. Coal was mixed with K2S powder and then heated at 800°C for 30 min in nitrogen to produce a sulfur-impregnated adsorbent. The sulfur-impregnated adsorbent prepared had a high sulfur content and high specific surface area. The adsorbent showed a high removal ability for lead ions, and a high removal ratio for lead ions in binary Pb2+-Na+ and Pb2+-Mg2+ solutions. This characteristics were similar to unitary Pb2+ solutions. These results indicate that the sulfur-impregnated adsorbent has a high selective adsorption ability for lead ions in aqueous solutions.

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Periodical:

Advanced Materials Research (Volume 684)

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198-202

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.684.198

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Online since:

April 2013

Authors:

Takaaki Wajima

Keywords:

Lead Removal, Pyrolysis, Selectivity, Sulfur Impregnation

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