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- W2607109144 abstract "Adsorption for heavy metals via biomaterials such as fungal biomass presents a practical remediation technique for polluted water. Among all known filamentous fungi, Penicillium chrysogenum is widespread in nature and can serve as a biosorbent for heavy metals. In the current study, the ability of P. chrysogenum XJ-1 to remove copper (Cu2+) and chromium (Cr6+) from water was evaluated. The maximum biosorption capacity of XJ-1 for Cu2+ reached 42.83 ± 0.57 mg g−1 dry biomass at pH 5.0 after the equilibrium time of 1.5 h. The maximum biosorption capacity for Cr6+ at pH 3.0 reached 52.69 ± 1.68 mg g−1 dry biomass after the equilibrium time of 1.5 h. The biosorption data of XJ-1 biomass were well fitted to the Freundlich isotherm model and the pseudo-second-order Lagergren kinetic model. Laundry powder-treated and HCl-treated XJ-1 biomass significantly enhanced its adsorption capacity to Cu2+ and Cr6+, respectively. HCl and NaOH were suitable desorbents for Cu2+/Cr6+ loading biomass, respectively. Fourier transform infrared spectroscopy analyses revealed that hydroxyl, amine, and sulfonyl groups on the biosorbent contributed to binding Cu2+ and Cr6+ and that carbonyl and carboxyl groups were also vital binding sites of Cu2+. Scanning electron microscopy and energy-dispersive x-ray (SEM-EDX) analyses confirmed that considerable amounts of metals were precipitated on the cell surface of XJ-1. Our results suggested that XJ-1 might be used to purify multimetal-contaminated water. This low-cost and eco-friendly biomass of XJ-1 seems to have a broad use in the restoration of metal-contaminated water." @default.
- W2607109144 created "2017-04-28" @default.
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- W2607109144 date "2017-05-11" @default.
- W2607109144 modified "2023-10-01" @default.
- W2607109144 title "Biosorption Performance of Multimetal Resistant Fungus <i>Penicillium chrysogenum</i> XJ-1 for Removal of Cu<sup>2+</sup> and Cr<sup>6+</sup> from Aqueous Solutions" @default.
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- W2607109144 doi "https://doi.org/10.1080/01490451.2017.1310331" @default.
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