استفاده از روش فعال سازی شیمیایی برای تهیه کربن فعال از ضایعات شیرین و کاربرد آن در حذف آلاینده های کاتیونی از محیط های مختلف

عنوان انگليسی

use of chemical activation method for the preparation of activated carbon from cheery waste and its application in removing cationic contaminants from across environments

خلاصه انگلیسی

Objectives: In the recent years, antibiotics have been introduced as new pollutants in water. The discharge of antibiotics has led to hazardous and serious effects on human health. Activated carbon with high especial porosity has been widely used as an adsorbent for contaminants. The objectiveof this study was to prepare activated carbon by Fe3O4 and evaluate its efficiency on the removal of cefalexin antibiotic from aqueous solution. Methodology: The Physical and structural characteristics of adsorbents were analyzed by using FESEM, VSM techniques. In order to determine the adsorption parameters, isotherms and kinetics models were used. The effects of some parameters such as pH, absorbent dose, initial concentration of cephalexin and contact time were studied. Results: The results showed that the optimum conditions for absorption process were pH =3, contact time 30 min, absorbent dose 2 g/l. Isotherm data showed that the process followed both kinetic and Freundlich isotherm models with the regression coefficient of 0.9216 and 0.9996, respectively. Conclusion: The results of this study showed that the magnetized activated carbon, in addition to easy separation of magnets has been very effective in adsorption and removal of cephalexin from aqueous solution. Therefore, activated carbon can be used to remove contaminants from the aquatic environment

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