APLIKASI FOTOKATALIS MnO/KARBON AKTIF DAN MnO/BENTONIT UNTUK DEGRADASI BIRU METILEN
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Date
2023-07
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Elfitra
Abstract
Photocatalysis is one of the alternative methods for treatment of textile waste. One
of the synthetic dyes that is often used in the textile industry is methylene blue
dye. The coloring process in textiles uses synthetic dyes in large enough quantities
and is very stable so that it is difficult to degrade naturally. It is necessary to study
the degradation process with effective and efficient methods in degrading
methylene blue. The purpose of this investigation is to study the degradation
methylene blue using MnO/Activated Carbon and MnO/Bentonite by
photocatalyst method. The photocatalytic activity of MnO/Activated Carbon and
MnO/Bentonite composites has advantages in the methylene blue degradation
process both in acidic, neutral and alkaline pH conditions. Based on the results, it
can be concluded that the optimum condition of the MnO/activated carbon
composite for methylene blue degradation is at a catalyst mass of 35 mg, solution
conditions at pH 9 and a methylene blue concentration of 50 ppm, the maximum
degradation of methylene blue is 97.04%. The optimum condition of the
MnO/Bentonite composite for methylene blue degradation is at a catalyst mass of
25 mg, solution conditions at pH 9 and a methylene blue concentration of 12.5
ppm, the maximum degradation of methylene blue is 83.69%.
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Keywords
degradation, composite, photocatalytic
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