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The adsorption experiments of lithium ions were conducted in the fixed bed column packed with activated carbon modified with nitric acid. Effect of inlet concentration, bed hight and flow rate on the removal of lithium ions was investigated. The experimental results showed that the removal and the adsorption capacity of lithium ions increased with increasing inlet concentration, and decreased with increasing flow rate. When the bed height increased, the removal and the adsorption capacity increased. The breakthrough curves gave a good fit to Bohart-Adams model. Adsorption capacity and breakthrough time calculated from Bohart-Adams model, these results were remarkably consistent with ​the experimental values. The adsorption capacity was not changed in the case of 3 times repetitive use of adsorbent. Key words : Activated carbon, Adsorption, Breakthrough curve, Fixed-bed, Lithium ions 1.   1)       2 , , ,       .    ,            .                  1,400  .          2,400          (Kitajou , 2003; You , 2013a).     (Navarrete -Guijosa , 2003), (Kim , 2003), (Tsuyoshi Takayuki), (Seron , 2005)

Breakthrough Characteristics for Lithium Ions Adsorption in Fixed-bed Column Packed with Activated Carbon by Modified with Nitric Acid