Preparation and Properties of Activated Carbon from Palm Shell by Potassium Hydroxide Impregnation: Effects of Processing Parameters
The preparation and characterization of activated carbons (ACs) produced from palm shells, a carbonaceous agricultural solid waste, via potassium hydroxide (KOH) impregnation were studied. The effects of processing parameters: activation temperature (500-1000°C), KOH/char ratio (1:1-3:1) and activat...
Saved in:
| Main Authors: | , , , |
|---|---|
| 格式: | บทความวารสาร |
| 語言: | English |
| 出版: |
Science Faculty of Chiang Mai University
2019
|
| 在線閱讀: | http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=8764 http://cmuir.cmu.ac.th/jspui/handle/6653943832/64038 |
| 標簽: |
添加標簽
沒有標簽, 成為第一個標記此記錄!
|
| 機構: | Chiang Mai University |
| 語言: | English |
| 總結: | The preparation and characterization of activated carbons (ACs) produced from palm shells, a carbonaceous agricultural solid waste, via potassium hydroxide (KOH) impregnation were studied. The effects of processing parameters: activation temperature (500-1000°C), KOH/char ratio (1:1-3:1) and activation duration (1-3 h) on the properties of the prepared ACs were investigated. These properties included yield, pore development, Brunauer-Emmett-Teller (BET) surface area (SBET), iodine number, methylene blue (MB) adsorption, composition, and surface chemistry and morphology. The optimum conditions for activation were KOH/char ratio of 2:1 at a temperature of 900°C for duration of 1 h. Under these conditions, ACs with maximum SBET, micropore volume (Vm ) and total pore volume (VT) of 1643 m2 g-1, 0.899 cm3 g-1 and 0.978 cm3 g-1, respectively were obtained, with iodine number and MB adsorption of 871 and 54% respectively. Experimental results showed that it was feasible to produce ACs with a high surface area and high adsorption capability from palm shells. |
|---|