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- W3207682977 endingPage "132596" @default.
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- W3207682977 abstract "In this study, copper slag was treated by carbothermal reduction technology for preparing an integrated micro-electrolysis filter (IMEF) and recovery of Zn and Pb. The influence of roasting conditions on the volatilization of Zn and Pb, and on the performance of IMEF in removing Cr(VI) from water were studied. The results showed that increasing the roasting temperature, time, and dosage of coal facilitated the generation of zero-valent iron (ZVI) and volatilization of Zn and Pb. The IMEF, roasted at 1150 °C for 40 min with 25% anthracite, had the best reduction effect on Cr(VI), and the volatilization efficiencies of Zn and Pb were 97.38% and 96.77%, respectively. The prepared IMEF had a porous structure with a porosity of 75.20%. A great number of nano/micro-sized ZVI particles were generated on the surface of silicate pore, and had super reactivity. The removal of Cr(VI) was promoted by increasing IMEF dosage and solution temperature, and decreasing the pH of the Cr(VI) solution. The IMEF presented good mechanical strength and excellent long-term performance in removing Cr(VI). Cr(VI) was reduced into Cr(III) and then mineralized to FeCr2O4 during reaction." @default.
- W3207682977 created "2021-10-25" @default.
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- W3207682977 date "2022-02-01" @default.
- W3207682977 modified "2023-09-26" @default.
- W3207682977 title "Volatilization of Zn and Pb and preparation of integrated micro-electrolysis filter from copper slag and its application for removing Cr(VI) from aqueous solution" @default.
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- W3207682977 doi "https://doi.org/10.1016/j.chemosphere.2021.132596" @default.
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