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Characterization of the Adsorption of Cu (II) from Aqueous Solutions onto Pyrolytic Sludge-Derived Adsorbents
The adsorption of Cu (II) onto two typical types of pyrolytic sludge was investigated in this study. The examined conditions include pH, adsorption time, and temperature, as well as the dosage of adsorbents. Results show that the adsorbents removed the Cu (II) effectively. The adsorbent made from pyrolyzed paper mill sludge (CuMS) exhibited exceptional performance, with a removal efficiency of around 100%. Moreover, the adsorption of Cu (II) onto CuMS was not affected by pH in the range of 3⁻9. The kinetic data showed better conformation with the pseudo-second-order kinetic model, and the adsorption processes of the CuMS fit well to the Langmuir isotherm model. The adsorption capacity reached 4.90 mg·g−1 under appropriate conditions. Microscopic analysis and FT-IR analysis revealed that the adsorbent with porous structure and high monosilicate content was beneficial to Cu (II) adsorption. Thus, the CuMS is a potentially promising candidate for retaining Cu (II) in aqueous environments.
Characterization of the Adsorption of Cu (II) from Aqueous Solutions onto Pyrolytic Sludge-Derived Adsorbents
The adsorption of Cu (II) onto two typical types of pyrolytic sludge was investigated in this study. The examined conditions include pH, adsorption time, and temperature, as well as the dosage of adsorbents. Results show that the adsorbents removed the Cu (II) effectively. The adsorbent made from pyrolyzed paper mill sludge (CuMS) exhibited exceptional performance, with a removal efficiency of around 100%. Moreover, the adsorption of Cu (II) onto CuMS was not affected by pH in the range of 3⁻9. The kinetic data showed better conformation with the pseudo-second-order kinetic model, and the adsorption processes of the CuMS fit well to the Langmuir isotherm model. The adsorption capacity reached 4.90 mg·g−1 under appropriate conditions. Microscopic analysis and FT-IR analysis revealed that the adsorbent with porous structure and high monosilicate content was beneficial to Cu (II) adsorption. Thus, the CuMS is a potentially promising candidate for retaining Cu (II) in aqueous environments.
Characterization of the Adsorption of Cu (II) from Aqueous Solutions onto Pyrolytic Sludge-Derived Adsorbents
Minghui Wang (author) / Tao Chen (author) / Bo Yan (author) / Lili Li (author) / Damao Xu (author) / Xianming Xiao (author)
2018
Article (Journal)
Electronic Resource
Unknown
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