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| Content Provider | Springer Nature Link |
|---|---|
| Author | Mohammadi, Shohreh Mirghaffari, urollah |
| Copyright Year | 2014 |
| Abstract | New porous carbonaceous adsorbents were prepared from an oily sludge generated in a fuel oil storage tank using pyrolysis with and without activation by KOH at 600 °C. The pore characteristics of the activated carbonaceous adsorbent (AC), due to the formation of micropores and mesopores structure, were considerably better than those of non-activated carbonaceous adsorbent (NA). The adsorption of Cd from aqueous solutions on the produced carbonaceous adsorbents was optimized using the Taguchi method. Under optimum conditions, the Cd adsorption efficiency for the NA and AC was obtained to be 77.7 and 98.2 %, respectively. The initial concentration and the adsorbent dose were the most significant factors affecting the removal of Cd by NA and AC, respectively. The adsorption data for the AC were well fitted by the Langmuir, Freundlich, and Redlich-Peterson isotherms models. The regeneration and reuse of the adsorbents in the three cycles of Cd adsorption-desorption were possible. The carbonaceous adsorbents had acceptable efficiency for the removal of Cd from a mine wastewater. Based on the obtained results, the oily sludges available in huge amounts in the petroleum industry proved to be a potential precursor resource for the production of the porous carbonaceous adsorbents, particularly for application in the wastewater treatment. |
| Starting Page | 1 |
| Ending Page | 11 |
| Page Count | 11 |
| File Format | |
| ISSN | 00496979 |
| Journal | Water, Air, and Soil Pollution |
| Volume Number | 226 |
| Issue Number | 1 |
| e-ISSN | 15732932 |
| Language | English |
| Publisher | Springer International Publishing |
| Publisher Date | 2014-12-11 |
| Publisher Place | Cham |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Carbonaceous adsorbents Oily sludge Pyrolysis Cd adsorption Taguchi method Environment Water Quality/Water Pollution Atmospheric Protection/Air Quality Control/Air Pollution Soil Science & Conservation Hydrogeology Climate Change/Climate Change Impacts |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecological Modeling Environmental Chemistry Pollution Environmental Engineering Water Science and Technology |
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