CSU-Carig
Adsorptive removal of methylene blue from simulated aqueous splution using activated carbon derived from sweet potato (Ipomea Batatas) peels [manuscript] / Rozen Mae S. Cancejo, Scylla Neil P. Camba, Trischia Mae M. Lagua, Rhea D. Pineda. (Record no. 18167)
| 000 -LEADER | |
|---|---|
| fixed length control field | 02875nam a22001697a 4500 |
| 082 ## - DEWEY DECIMAL CLASSIFICATION NUMBER | |
| Classification number | C'ENG 0035 |
| Item number | 2023 c.1 |
| 100 ## - MAIN ENTRY--AUTHOR NAME | |
| Personal name | Cancejo, Rozen Mae S., author. |
| 245 ## - TITLE STATEMENT | |
| Title | Adsorptive removal of methylene blue from simulated aqueous splution using activated carbon derived from sweet potato (Ipomea Batatas) peels [manuscript] / Rozen Mae S. Cancejo, Scylla Neil P. Camba, Trischia Mae M. Lagua, Rhea D. Pineda. |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) | |
| Year of publication | ©2023. |
| 300 ## - PHYSICAL DESCRIPTION | |
| Number of Pages | xxi, 167 pages ; |
| Other physical details | 28 cm. |
| 500 ## - GENERAL NOTE | |
| General note | Thesis (B.S.) -- Cagayan State University, 2023. Includes bibliographical references. |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc | The study produced an activated carbon derived from sweet potato peels (SPAC), impregnated with 60 % (v/v) phosphoric acid (2:1), and carbonized at 400 °C, 500 °C, and 600 °C for 60 minutes. A batch sorption study is done to investigate the effect of carbonization temperature on the removal efficiency and adsorption capacity of produced SPAC. The physicochemical characteristics of the activated carbon produced at varying carbonization temperatures were compared in terms of fixed carbon content, moisture content, volatile matter, and ash content using proximate analysis, and the functional groups using Fourier transform infrared (FTIR). The surface morphological characteristics and elemental composition of SPAC carbonized at 600 °C were studied using scanning electron microscopy-energy dispersive x-ray (SEM-EDX). The results of the batch sorption study revealed that SPAC-600 and SPAC-500 exhibited comparable adsorption capacity and dye removal efficiency, higher than SPAC-400. The sweet potato peel is a highly promising adsorbent for methylene blue dye remediation with adsorption capacities and removal efficiencies of 49.97 mg/g and 99.94% for SPAC-600, and 49.97 mg/g and 99.87% for SPAC-500, at 100 mg/L of adsorbate dosage, 0.5 g/250 mL of adsorbent dosage, and 40 minutes contact time. Langmuir, Freundlich, and Dubinin-Radushkevich isotherm modeling were carried out. Langmuir isotherm gave a better fit for SPAC-400 and SPAC-600 while SPAC-500 fitted the Freundlich Isotherm model better. The maximum loading capacity (qmax) for SPAC-400, SPAC-500, and SPAC-600 was 38.87, 50.98, and 53.31 mg/g with R2 values of 0.9945, 0.9844, and 0.9798, respectively. The mean energy (E) calculated using Dubinin-Radushkevich isotherm for SPAC-400, SPAC- 500, and SPAC-600 is in the range of 1-8 kJ/mol, indicating that the governing type of adsorption is physical. The kinetics was evaluated using pseudo-first order and pseudo- second order kinetic models, where the data was best described by pseudo-second order, suggesting that the rate-limiting step is chemisorption. Keywords: Activated carbon, sweet potato peels, phosphoric acid, adsorption. |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Camba, Scylla Neil P. |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Lagua, Trischia Mae M. |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Pineda, Rhea D. |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Koha item type | Academic Research |
| Source of acquisition | Permanent Location | Date acquired | Koha item type | Collection code | Accession Number | Lost status | Shelving location | Withdrawn status | Current Location | Full call number |
|---|---|---|---|---|---|---|---|---|---|---|
| School | Cagayan State University - Carig Library | 2023-07-21 | Academic Research | Academic Research | C'ENG00352023C1 | Academic Research Section | Cagayan State University - Carig Library | C'ENG 0035 2023 c.1 |