EFEK WAKTU IRADIASI MICROWAVE PADA PENYEDIAAN ADSORBEN BERBASIS ABU DASAR BOILER DARI CANGKANG KELAPA SAWIT TERHADAP DAYA JERAP ZAT WARNA METILEN BIRU
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Date
2021-01
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Abstract
This study aims to treat and utilize bottom ash by making it an adsorbent. Adsorbent
was prepared by using microwave activation method at 100 watts with variation of
activation times (1;2;3;4 and 5 minutes). The efficiency of adsorption and the
determination of the optimum activation time were tested by adsorbing 50 ppm
methylene blue. Bottom ash non-activated and activated by microwave compared and
analyzed using SEM. The results showed that the adsorption efficiency increased with
the activation process and the optimum activation time was 3 minutes, with a
percentage of adsorption is 97.75%. The activation process with microwave also causes
additional pores. It can be concluded that boiler bottom ash has a high adsorption
efficiency against methylene blue and the activation process with microwave increases
the adsorption efficiency.
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Keywords
adsorpsi, ash, microwave