Process and mechanism modeling of cefotaxime removal from hospital wastewater using pistachio shells based magnetic activated carbon nanoparticles.

Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE

Original Publication: London : Nature Publishing Group, copyright 2011-

Wastewater*/chemistry ; Pistacia*/chemistry ; Water Pollutants, Chemical*/chemistry ; Water Pollutants, Chemical*/isolation & purification ; Charcoal*/chemistry ; Water Purification*/methods ; Cefotaxime*/chemistry; Adsorption ; Hospitals ; Anti-Bacterial Agents/chemistry ; Kinetics ; Hydrogen-Ion Concentration

Antibiotic residues have been extensively identified in diverse aquatic environments, posing significant health risks to both humans and animals, while also presenting challenges to the environment. Consequently, the imperative need to effectively removal antibiotics from the environment has become a very importance issue. In this study, response surface methodology with central composite design was employed to systematically investigate the effects of key process parameters, on the removal of cefotaxime (CTX) from hospital wastewater using pistachio sells based activated carbon modified with FeCl 3 . The modified activated carbon was synthesized using a thermochemical method and characterized by analytical techniques including FE-SEM, FTIR, XRD, pH pzc , and BET analysis, which demonstrated its remarkable physicochemical properties. Maximum removal efficiency of 99.1% was obtained via the optimal values of 45 mg L ^- 1 of initial CTX concentration, solution pH 7, and 200 mg L ^- 1 of Fe@ACP dosage, 56 min of reaction time through adsorption process. According to the results, the non-linear Langmuir isotherm model (R ²  = 0.9931) and non-linear second order kinetic model (R ²  = 0.9934) are suitably described the monolayer and chemisorption of CTX adsorption. The maximum adsorption capacity of Fe@ACP is 651.6 mg g ^- 1 . Consequently, the developed treatment process revealed successful performance for quick and efficient removal of CTX by Fe@ACP. The developed process introduced an economic and green approach for the comprehensive utilization of agricultural waste resources used for environmental pollution control.
Competing Interests: Declarations. Competing interests: The authors declare no competing interests. Ethical approval: The Ethics Committee of Kerman University of Medical Sciences approved the study (IR.KMU.REC. 1400.515).
(© 2024. The Author(s).)

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Keywords: Adsorption; Isotherms; Kinetics; Pharmaceutical compound; Response surface methodology

0 (Wastewater)
0 (Water Pollutants, Chemical)
16291-96-6 (Charcoal)
N2GI8B1GK7 (Cefotaxime)
0 (Anti-Bacterial Agents)

Date Created: 20241202 Date Completed: 20241202 Latest Revision: 20241205

20241209

PMC11612276

10.1038/s41598-024-76271-7

39622855