Statical Process Optimization on Adsorption of Phenol from Water Using Activated Carbon Prepared from False Banana (Enseteventricosum) Leaf
| dc.contributor.advisor | Anteneh Wodaje (PhD) | |
| dc.contributor.author | Mohammed Keder | |
| dc.date.accessioned | 2024-03-12T15:11:48Z | |
| dc.date.available | 2024-03-12T15:11:48Z | |
| dc.date.issued | 2023-10 | |
| dc.description.abstract | The reason for this current study was to examine the potential of an adsorbent produced from EL to recover phenol from wastewater. Using agricultural wastes as valuable resources to create ACs from biomass wastes is one of the greenest resolutions. The main objective of this study was to use a chemical activation technique to produce ACs from readily available waste EL. An essential property for the synthesis of AC is the EL's cellulose concentration (18.4%), lignin level (10.3%), MC of 8.35%, VM of 71.09%, AC of 3.28%, FCC of 17.28%, and yield of 49.30% at 400°C. With a nitrogen flow rate of 150ml/min, the process of carbonization was conducted for 30, 60, and 90minutes at 400, 500, and 600°C. The char product was treated with 37% phosphoric acid (H3PO4) at diverse impregnation ratios (0.5, 1 and 1.5). It was found that 500°C, a 60-minute contact period, and an impregnation ratio of 1 in AC5 were ideal for the production of AC. With respect to surface area (1023m2/g), iodine number (984mg/g), and total pore volume (0.45cm3/g), AC5 was the largest. Scanning electron microscopy (SEM) analysis showed that the samples' uneven surface structure. Several functional groups that aid in adsorption was found when Fourier Transform Infrared Spectroscopy (FTIR) was examined. Using phenol as a separate adsorbate and the ideal conditions (PH=6, adsorbent dosage=0.4g, initial concentration=10mg/l, and contact time=120min) at room temperature, the adsorption capacity of generated activated carbon (AC5) was investigated. It was demonstrated that as initial concentration increased, the capacity of adsorption increased. The maximal phenol elimination capability of the AC5 adsorbent is 95%. With the aid of the model, a relationship between the three experimental variables and the percentage of elimination was constructed. It looked into the phenol adsorption equilibrium isotherms utilizing the Freundlich, Temkin, and Langmuir isotherm models. For the concentration range of 10-150 mg/L, the monolayer adsorption capacity was 5.80mg/g, according to equilibrium data that followed the Langmuir model. There were kinetic analyses done. It was discovered that the data fit a pseudo-second order model. The best phenol elimination was obtained with an initial phenol PH of 6 and contact duration of 80 minutes. The study concluded that phenol could be effectively removed from aqueous solutions using activated carbon obtained from discarded Enset leaves. | |
| dc.identifier.uri | https://etd.aau.edu.et/handle/123456789/2379 | |
| dc.language.iso | en_US | |
| dc.publisher | Addis Ababa University | |
| dc.subject | activated carbon | |
| dc.subject | Enset leaf | |
| dc.subject | phenol | |
| dc.subject | surface area | |
| dc.subject | adsorption | |
| dc.subject | and chemical activation. | |
| dc.title | Statical Process Optimization on Adsorption of Phenol from Water Using Activated Carbon Prepared from False Banana (Enseteventricosum) Leaf | |
| dc.type | Thesis |