Preparation of Adsorbent with Lead Removal Ability Using Sulfur-Impregnation

Takaaki Wajima

doi:10.4028/www.scientific.net/AMR.831.253

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 831Preparation of Adsorbent with Lead Removal Ability...

Preparation of Adsorbent with Lead Removal Ability Using Sulfur-Impregnation

Abstract:

Preparation of the adsorbent with lead removal ability using a sulfur impregnation was studied. Coal, palm shell, waste tire and diatomite, were used as raw materials. Raw material was mixed with K₂S powder and then heated at 800 °C or 900 °C for 30 min in nitrogen to produce a sulfur-impregnated adsorbent. The sulfur-impregnated adsorbents prepared from coal, palm shell, waste tire and diatomite at 800 °C have lead removal property, and the order of lead removal ability is the adsorbent from coal = palm shell > waste tire > diatomite. The sulfur-impregnated adsorbent prepared from coal had a high sulfur content and high specific surface area. The adsorbent showed higher removal ability for lead ions from aqueous solution than zinc and cadmium ions in ternary Pb²⁺-Zn²⁺-Cd²⁺ solution. These results indicate that the sulfur-impregnated adsorbent has high selective adsorption ability for lead ions in aqueous solutions.

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Periodical:

Advanced Materials Research (Volume 831)

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253-257

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https://doi.org/10.4028/www.scientific.net/AMR.831.253

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Online since:

December 2013

Authors:

Takaaki Wajima*

Keywords:

Lead Removal, Pyrolysis, Selectivity, Sulfur Impregnation

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