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- W2368366980 abstract "Adsorption performance of heavy metals ions, copper ions and cadmium ions, by chestnut shell activated carbon was researched in this paper. The activated carbon was prepared with chestnut shell as raw material by the zinc chloride activation method. The prepared activated carbon was characterized by X-ray diffraction, nitrogen adsorption, scanning electron microscopy and so on. Meanwhile the adsorption performance of copper ions and cadmium ions by chestnut shell activated carbon was investigated under different conditions, such as internal structure of activated carbon, adsorption temperature and pH value. The results showed that the optimal preparation conditions of chestnut shell activated carbon were as follows, concentration of zinc chloride was 30wt%, solid-liquid ratio was 1:6, activation temperature was 600℃, and carbonization time was 3h. Microcrystalline structure of graphite could be found in the SEM images of chestnut shell activated carbon, the pore size of activated carbon was 2~6nm, the pore volume was 0.04~0.14cm3/g, and the specific surface area was up to 1500m2/g or more. Adsorption properties of heavy metal ions was not only mainly determined by BET surface area and pore volume size of chestnut shell activated carbon, but also simultaneously affected by the adsorption temperature and pH value of the solution. The optimal conditions for copper ions and cadmium ions were pH value of 6.5 and 7.5, respectively, under room temperature of 25℃." @default.
- W2368366980 created "2016-06-24" @default.
- W2368366980 creator A5063253432 @default.
- W2368366980 date "2014-01-01" @default.
- W2368366980 modified "2023-09-27" @default.
- W2368366980 title "ADSORPTION OF HEAVY METAL IONS BY CHESTNUT SHELL ACTIVATED CARBON" @default.
- W2368366980 hasPublicationYear "2014" @default.
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