Md Jamien, Fahrulrazi (2019) Chemically activated carbon using peat soil for heavy metals adsorption in industrial wastewater. Masters thesis, Universiti Tun Hussein Onn Malaysia.
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Abstract
The present work is aimed to produce peat soil activated carbon (PSAC) for the removal of heavy metal ions in industrials wastewater. Activated carbon from peat has successfully produced by chemical activation process using sulphuric acid as activating agents. The effect of heating temperature on the carbon content, the physical and chemical characterizations of peat activated carbons were studied. From this study, peat soil heated at 400℃ possess the highest carbon content with concentration of 95.44 % due to the complete degradation of organic matter. The thermogravimetric analysis (TGA) and its derivative thermogravimetric (DTG) confirm the finding where at temperature ≈400°C, peat undergo complete degradation of matter. The heating temperature was set to constant at 400°C for activation process. The BET specific surface area of the activated carbon obtained was 1298.84 m2 g-1. The Raman spectrum gave to main peaks at 1368 and 1590 cm-1 which is attributed to diamond, D and graphitic, G band, respectively. FTIR spectrum analysis showed the carboxyl, ketone, aldehyde, methylene and hydroxyl groups are present on the surface of PSAC due to the activation process with H2SO4. Point of zero charge (pHpzc) of activated carbon is 5.60 which available for heavy metal adsorption due to the adsorbent surface charge was negative. The heavy metal adsorption capacity is evaluate by using an adsorption test. The heavy metal elemental compositions (Cu, Zn, Al, Cr, Pb and Fe) in the industrial wastewater were analysed using ICP – MS. The adsorption test was conducted using batch experiment method where various dosage of PSAC (0.0, 0.2, 0.4, 0.6, 0.8, 1.0 g) mixed to 25 ml water samples. From the adsorption test, the PSAC can be used as adsorbent for industrial waste water treatment.
| Item Type: | Thesis (Masters) |
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| Subjects: | T Technology > TP Chemical technology > TP250-261 Industrial electrochemistry |
| Divisions: | Faculty of Applied Science and Technology > Department of Technology and Natural Resources |
| Depositing User: | Mrs. Sabarina Che Mat |
| Date Deposited: | 25 Jul 2021 07:20 |
| Last Modified: | 25 Jul 2021 07:20 |
| URI: | http://eprints.uthm.edu.my/id/eprint/488 |
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