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Effects of Processing Parameters on Properties of Activated Carbon from Palm Shell: Sodium Hydroxide Impregnation
Paper Type  |
Contributed Paper |
Title |
Effects of Processing Parameters on Properties of Activated Carbon from Palm Shell: Sodium Hydroxide Impregnation |
Author |
Sathaporn Bhungthong [a], Darunee Aussawasathien* [b], Kittipong Hrimchum [b] and Sa-Nguansak Srip |
Email |
daruneea@mtec.or.th |
|
Abstract: The preparation and properties of activated carbons (ACs) produced from palm shells using sodium hydroxide (NaOH) as an activating reagent were studied. The influences of processing parameters: activation temperature (500-1000°C), impregnation ratio (1-3) and activation duration (1-3 h), on the properties of the prepared ACs were investigated. These properties included pore development, Brunauer-Emmett-Teller (BET) surface area, yield, iodine number, methylene blue (MB) adsorption, composition, and surface chemistry and morphology. The optimum conditions for activation were NaOH/char ratio of 2:1 at a temperature of 900°C for duration of 2 h. Under these conditions, ACs with maximum BET surface area of 2363 m2 g-1 was obtained, with iodine number and MB adsorption of 1389 mg g-1 and 55% respectively. Experimental results showed that it was feasible to produce ACs with a high BET surface area and high adsorption capability from palm shells. |
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Start & End Page |
544 - 556 |
Received Date |
2015-06-11 |
Revised Date |
|
Accepted Date |
2015-08-25 |
Full Text |
Download |
Keyword |
activated carbon, palm shell, chemical activation, pore development |
Volume |
Vol.44 No.2 (April 2017) |
DOI |
|
Citation |
[a] S.B., [b] D.A., [b] K.H. and Srip S., Effects of Processing Parameters on Properties of Activated Carbon from Palm Shell: Sodium Hydroxide Impregnation, Chiang Mai Journal of Science, 2017; 44(2): 544-556. |
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