A Study on the Development of Activated Carbons from Sewage Sludge 


Vol. 15,  No. 1, pp. 31-37, Mar.  2009


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  Abstract

This study deals with the production process of activated carbons from the sewage sludge char by chemical activation reaction. KOH and NaOH were used as activating agents, which react well with carbon. From the experiments, it was found that activated carbons made with KOH treatment had better physicochemical properties in terms of iodine number and BET value than those made with NaOH treatment. It was also found that the optimal deposition ratio of an activating agent to the sewage sludge char was 75 wt% of KOH and 50 wt% of NaOH. Activated carbons were washed out by distilled water after neutralization with 5 M hydrochloric acid solution. The activated carbons that were produced from a sewage sludge char at this optimal conditions have BET surface areas of approximately 600m2/g.

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  Cite this article

[IEEE Style]

L. TR, C. CK, J. YC, "A Study on the Development of Activated Carbons from Sewage Sludge," Clean Technology, vol. 15, no. 1, pp. 31-37, 2009. DOI: .

[ACM Style]

Lee TR, Chung CK, and Joe YC. 2009. A Study on the Development of Activated Carbons from Sewage Sludge. Clean Technology, 15, 1, (2009), 31-37. DOI: .

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pISSN : 1598 - 9712
eISSN : 2288 - 0690

한국연구재단 등재학술지