Reduction of Methylene Blue by Using Direct Continuous Ozone

Nur Athikoh, Eko Yulianto, Andi Wibowo Kinandana, Eva Sasmita, Abdillah Husein Sanjani, Reza Wahyu Mustika, Abiyansyah Putra Pratama, Nur Farida Amalia, Gunawan Gunawan, Muhammad Nur


The reduction of Methylene Blue using continuous ozone is directly investigated in this paper. The effects of the initial concentration of the solution, the initial pH of the solution, the time of treatment by using direct continuous ozone, the volume of the solution and the concentration of ozone given were examined. The experimental results show that the proposed direct ozone method is quite effective in reducing MB levels in solution. The reduction level of MB in the solution gets higher along with the addition of ozone capacity given to the solution. MB concentrated solutions with large volumes require a long ozonation time with a constant ozone concentration. Under basic conditions (pH 12), the MB reduction level is quite high for all ozonation treatments.

Keywords: Direct continuous ozone, methylene blue, reduction, decolorization, advanced oxidation process.

DOI: 10.7176/JEES/10-4-07

Publication date: April 30th 2020

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ISSN (Paper)2224-3216 ISSN (Online)2225-0948

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