Activated Carbon from Corn Cob and Petai Hull as Novel Adsorbent for Lead Removal

Ajeng Yulianti Dwi Lestari; Kuni Masruroh; Intan Widyastuti

doi:10.4028/www.scientific.net/MSF.934.165

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HomeMaterials Science ForumMaterials Science Forum Vol. 934Activated Carbon from Corn Cob and Petai Hull as...

Activated Carbon from Corn Cob and Petai Hull as Novel Adsorbent for Lead Removal

Abstract:

Activated carbon was successfully generated from the mixture of corn cob and petai hull which served as adsorbents for Pb (II) ion removal at an aqueous solution. The activation was done using KOH at 800°C carbonization temperature. Synthetic waste used in the various concentration of 100, 200, 300, 400 and 500 ppm. The adsorption process was carried out at 30 minutes, the ratio of adsorbent mass was grouped as B (1:3 corn cob native activated carbon/petai hull native activated carbon), C (1:1 corn cob native activated carbon/petai hull native activated carbon), D (3:1, corn cob native activated carbon/petai hull native activated carbon), and H (1:1, corn cob modified activated carbon/petai hull modified activated carbon). The results showed that the highest adsorption capacity was found in H adsorbent that was 2,368 mg/g at concentration 300 ppm. Dubinin model fit the adsorption isotherms of B, C, D, and H.

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6th Asia Conference on Mechanical and Materials Engineering

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Materials Science Forum (Volume 934)

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165-169

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.934.165

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Online since:

October 2018

Authors:

Ajeng Yulianti Dwi Lestari*, Kuni Masruroh, Intan Widyastuti

Keywords:

Activated Carbon, Corn Corb, Lead Removal, Petaihull

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