Removal of Cephalexin Antibiotic from Aqueous Solutions by Activated Carbon Adsorbent

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HEMMATI MARYAM; GHAEMI AREZOO; TAVAKKOLI HAMAN

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Journal: Journal of Research in Environmental Health Year:2019 | Volume:5 | Issue:1 Page(s): 11-20

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Title

Removal of Cephalexin Antibiotic from Aqueous Solutions by Activated Carbon Adsorbent

Author(s)

HEMMATI MARYAM | GHAEMI AREZOO | TAVAKKOLI HAMAN | Issue Writer Certificate

Keywords

AdsorptionQ2

CephalexinQ1

Granular activated carbonQ2

Kinetic studyQ2

Aqueous solutionsQ1

Abstract

Background and Aim: Environmental problems caused by the arrival of antibiotics in water resources are a serious threat due to toxicity and lasting effects. This study aimed to evaluate the efficiency of Granular activated carbon as adsorbent for the removal of Cephalexin from Aqueous solutions. Materials and Methods: This study was performed in a batch system at a laboratory scale. The influence of process variables such as pH of solution, adsorbent dosage, initial Cephalexin concentration and contact time were investigated. Equilibrium study data were modeled using Langmuir, Freundlich and Temkin. Moreover, kinetic studies were done by models of pseudo first order and pseudo second order. Results: This research found that the Cephalexin Adsorption efficiency decreased by increasing pH from 2 to 14, so that after 3 hours, the Adsorption efficiency at the 20 mg/L initial Cephalexin concentration and 0. 2 g adsorbent, obtained 92. 812%, 90. 525% and 41. 394% at pH 2, 3. 5 and 14, respectively. The Adsorption of Cephalexin was fitted with Langmuir isotherm and pseudo second order kinetic models. Conclusion: The present study showed that the Granular activated carbon not only can be simply and rapidly separated from Aqueous solutions, but also has high potential for Adsorption and separation of Cephalexin and such pollutants from Aqueous solutions.

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APA: Copy

HEMMATI, MARYAM, GHAEMI, AREZOO, & TAVAKKOLI, HAMAN. (2019). Removal of Cephalexin Antibiotic from Aqueous Solutions by Activated Carbon Adsorbent. JOURNAL OF RESEARCH IN ENVIRONMENTAL HEALTH, 5(1 ), 11-20. SID. https://sid.ir/paper/361672/en

Vancouver: Copy

HEMMATI MARYAM, GHAEMI AREZOO, TAVAKKOLI HAMAN. Removal of Cephalexin Antibiotic from Aqueous Solutions by Activated Carbon Adsorbent. JOURNAL OF RESEARCH IN ENVIRONMENTAL HEALTH[Internet]. 2019;5(1 ):11-20. Available from: https://sid.ir/paper/361672/en

IEEE: Copy

MARYAM HEMMATI, AREZOO GHAEMI, and HAMAN TAVAKKOLI, “Removal of Cephalexin Antibiotic from Aqueous Solutions by Activated Carbon Adsorbent,” JOURNAL OF RESEARCH IN ENVIRONMENTAL HEALTH, vol. 5, no. 1 , pp. 11–20, 2019, [Online]. Available: https://sid.ir/paper/361672/en

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