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Study of the adsorption of oxalic acid on rice bran in aqueous solution

N.Samadani Langeroodi

The adsorption of oxalic acid on the rice bran was studied under various conditions such as temperature, contact time, adsorbant dose and concentration of adsorbate. Batch adsorption experiments were conducted and the result showed that the adsorption was dependent on all these parameters. The adsorption process obeys the Langmuir and Freundlich adsorption isotherms. By these adsorption isotherms, thermodynamics adsorption parameters and kinetics adsorption parameters were calculated.