Study of Iodine Recovery with Platinum-Active Carbon from Nitric Acid Solution
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摘要: 研究了铂炭(Pt-C)交换剂在低酸度硝酸溶液中对碘的吸附解吸性能。实验结果表明,Pt-C对硝酸溶液中的I-和I O3-都能够吸附,并且有比较高的交换容量;采用NaOH为解吸液,碘的解吸率可以达到90%以上。因此,Pt-C交换剂可以用于低酸度硝酸溶液中碘的提取。Abstract: Platinum-Active Carbon (Pt-C) was synthesized and its adsorption and desorption properties in low acidity nitric solution were discussed.It showed that Pt-C can absorb I- and IO3- with high ex-change capacity in nitric acid solution,and the recovery rate of I- and IO3- is more than 90%,thus Pt-C can be used for iodine recovery in low acidity nitric solution.
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Key words:
- Platinum-Active Carbon /
- Nitric Acid Solution /
- Iodine /
- Recovery
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