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- W2947887077 abstract "The aim of this paper is to explore a simple method for the preparation of magnetic bimetallic oxides with high production efficiency and high adsorption capacity of Pb(II). In this work, the CoFe2O4 nanoparticles were continuously synthesized through a high-gravity reactive precipitation method using an impinging stream-rotating packed bed reactor with a theoretical production rate of 0.704 kg h−1. The samples were characterized by XRD, TEM, N2 adsorption-desorption technique and VSM. The obtained results show that the as-prepared CoFe2O4 nanoparticles have higher surface area (89.15 m2 g−1) and saturation magnetization (75.43 A m2 kg−1) than that of single metal oxides (Fe2O3 and Co3O4). The adsorption data of Pb(II) onto CoFe2O4 nanoparticles fit well to pseudo-second order kinetic model and Langmuir isotherm model. The maximum adsorption capacity of Pb(II) onto CoFe2O4 was 326.79 mg g−1, while for Fe2O3 and Co3O4 nanoparticles were 140.84 and 284.90 mg g−1, respectively. Moreover, the proposed adsorbent exhibited good reusability for up five adsorption-desorption cycles. Hence, the high-gravity technology could prepare high adsorption adsorbent with high production efficiency, which brings good prospects in wastewater treatment." @default.
- W2947887077 created "2019-06-07" @default.
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- W2947887077 date "2019-07-01" @default.
- W2947887077 modified "2023-09-27" @default.
- W2947887077 title "Preparation of CoFe2O4 nanoparticles based on high-gravity technology and application for the removal of lead" @default.
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- W2947887077 doi "https://doi.org/10.1016/j.cherd.2019.05.047" @default.
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