Adsorption Of Methylene Blue Dye Using Silica Adsorbent Extracted From South Coastal Napa Soil

Mawardi Mawardi, Rahmad El fasha Aditama

Abstract


Methylene Blue is one of the dyes that is widely used in industries such as the textile industry, printing industry and paint industry. One way to manage methylene blue waste is by adsorption method which adsorption itself is simpler and environmentally friendly. Silica is known to be used as an adsorbent for the absorption of methylene blue dye which is better than activated carbon and zeolite. The purpose of this research is to determine the absorption capacity of silica extracted from napa soil against methylene blue dye. This research uses a batch method with concentration variation (50, 100, 150, 200, 250, 300) ppm, pH variation (2, 3, 4, 5, 6) and contact time (10, 20, 30, 40, 50, 60) minutes. The results of this study obtained optimum conditions in each variation at a concentration of 250, pH 5 and contact time of 40 minutes. Obtained a capacity of 18.84858 with a percentage of uptake of 99.72%.


Keywords


Adsorption; Methylene Blue; Silica

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DOI: http://dx.doi.org/10.52155/ijpsat.v47.2.6681

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