Comparative potential of black tea leaves waste to granular activated carbon in adsorption of endocrine disrupting compounds from aqueous solution
作者： A.O. Ifelebuegu , J. E. Ukpebor , C. C. Obidiegwu , B. C. Kwofi , None
DOI: 10.7508/GJESM.2015.03.003
关键词:
摘要: The adsorption properties and mechanics of selected endocrine disrupting compounds; 17 β-estradiol, α – ethinylestradiol bisphenol A on locally available black tea leaves waste granular activated carbon were investigated. results obtained indicated that the kinetics pH, adsorbent dose, contact time temperature dependent with equilibrium being reached at 20 to 40 minutes for 60 compound. Maximum capacities 3.46, 2.44 18.35 mg/g achieved compared compound 4.01, 2.97 16.26 β- estradiol, α-ethinylestradiol respectively. Tea followed pseudo-first order while fitted better pseudo-second kinetic model. experimental isotherm data both showed a good fit Langmuir, Freundlich Temkin models Langmuir model showing best fit. thermodynamic process was predominantly by physical more chemical in nature. have demonstrated potential adsorptive removal compounds from water.
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