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Adsorption of Reactive Red 120 by Using Regenerated Spent Carbon
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In this study the performance of regenerated spent carbon for azo dye removal was evaluated in batch and continuous column. The spent carbon was generated by thermal method through pyrolysis process and chemical method by using NaOH 6.0 M solution. Reactive Red 120 (RR120) was selected as a model of azo dye due to its common application in the industries. The regeneration of spent granular activated carbon (GAC) by pyrolysis could produce adsorbent that has the adsorption capacity closer to new GAC. The result indicated that paralysed GAC could potentially apply to replace new GAC for RR120 adsorption. In addition, the continuous adsorption operation in mini column test confirmed that the order of adsorption capacity of each GAC is as follows: new GAC, pirolysed GAC, chemical treated GAC and spent GAC.
Trans Tech Publications, Ltd.
Title: Adsorption of Reactive Red 120 by Using Regenerated Spent Carbon
Description:
In this study the performance of regenerated spent carbon for azo dye removal was evaluated in batch and continuous column.
The spent carbon was generated by thermal method through pyrolysis process and chemical method by using NaOH 6.
0 M solution.
Reactive Red 120 (RR120) was selected as a model of azo dye due to its common application in the industries.
The regeneration of spent granular activated carbon (GAC) by pyrolysis could produce adsorbent that has the adsorption capacity closer to new GAC.
The result indicated that paralysed GAC could potentially apply to replace new GAC for RR120 adsorption.
In addition, the continuous adsorption operation in mini column test confirmed that the order of adsorption capacity of each GAC is as follows: new GAC, pirolysed GAC, chemical treated GAC and spent GAC.
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