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島根大学農学部研究報告 12 巻
1978-12-15 発行
樹皮による重金属の吸着に関する研究(第三報) : 汚染河川からの銅(II)除去
Studies on the Adsorption of Heavy Metal on Bark(Part 3) : Removal of Copper(II) from Polluted River
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The removalof copper(II) from the polluted river in terms of adsorption on bark was investigated. Bark powders(5-10 mesh) of Karamatsu(Larix leptolesis GORDON.), Oshuakamatsu (Pinus sylvestris LINN.) and Keyaki(Zelkova serrata MAKINO) were used in this experiment. The barks were soaked in the river containing copper(II) shown in Figure 1 for about 26 hours. The amount of adsorbed copper(II) on bark was determined by a atomic absorption spectrophotometer.
Barks of Karamatsu, Oshuakamatsu and Keyaki took up copper(II) 0.62mg/g, 1.01mg/g and 0.45mg/g from the river containing 0.50ppm of copper(II), respectiyely. The experimental results indicate the possibility of practical utilization of bark to remove copper(II) from the polluted water.
Barks of Karamatsu, Oshuakamatsu and Keyaki took up copper(II) 0.62mg/g, 1.01mg/g and 0.45mg/g from the river containing 0.50ppm of copper(II), respectiyely. The experimental results indicate the possibility of practical utilization of bark to remove copper(II) from the polluted water.
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