ADSORPTIVE REMOVAL OF METHYLENE BLUE (MB) FROM WATER USING CARBON NANOPARTICLES PREPARED FROM DATE PITS
Abstract: Recently, carbon nanostructures have played a crucial role in many vital aspects of nanoscience and nanotechnology; this can be attributed to
their unique characteristics and potential applicability in a variety of fields. On the other hand, date pits have a relatively limited number of
usages, which can be extended by the proposed new usage of date pits for synthesizing carbon nanoparticles. The present study provides a
feasible method for synthesizing carbon nanoparticles (87.76 nm) through nitric acid reflux method using date pits as a carbon source, so as
to maximize the value of the date pits. In addition, the current study evaluates the efficiency of the prepared carbon nanoparticles (CNPs) for
adsorptive removal of (Methylene Blue (MB) from waste water. In addition, parameters affecting that adsorption were also studied. The MB
dye removed by the CNPs was depending on contact time, pH and concentration of dye. The optimum conditions for removal of MB dye by
CNPs were; contact time of 15 hrs, at pH 7 and an adsorbent dose of 0.01 g. In this study the data fit Langmuir model and the maximum
adsorption capacity was found to be 97.65 mgg-1. Adsorption of MB onto CNPs followed pseudo second order kinetics. These results
indicated that carbon nanoparticles may be an attractive candidate for removal of MB from wastewater.
Keywords: Date pits; carbon nanoparticles; nanotechnology; methylene blue; adsorptive removal.
URL
Publication year 2020
Organization Name
Author(s) from ARC
Publication Type Journal
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