Azhar, Oris Hatpa Aditya (2024) ANALISIS EFISIENSI HIDROGEN PEROKSIDA SEBAGAI BAHAN TAMBAHAN DALAM AERASI UNTUK MENGURANGI PERTUMBUHAN BAKTERI FILAMENTOUS PADA AIR LIMBAH. Undergraduate thesis, UPN "VETERAN" JAWA TIMUR.
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Abstract
Filamentous bacteria or also called filamentous bacteria are the abnormal growth of certain bacteria, such as Escherichia coli. Excessive growth of filamentous bacteria in activated sludge wastewater treatment plants (WWTP) has caused serious operational problems for many years. Excessive growth of multiple filaments, an event called bulking. This research aims to analyze the efficient dose of hydrogen peroxide in aeration to suppress the growth of filamentous bacteria, analyze the optimal length of time for using hydrogen peroxide in aeration to suppress the growth of filamentous bacteria, analyze the effect of adding hydrogen peroxide to aeration to suppress the growth of filamentous bacteria. The research results for the efficient dose of hydrogen peroxide were 3 ppm, because a dose of 3 ppm could reduce MLSS levels by 59%, MLVSS by 64%, COD by 64%, and BOD by 54%. The optimal length of time is 6 days with results MLSS = 1764 mg/L, MLVSS = 910 mg/L, COD = 187 mg/L, BOD = 105 mg/L. In the results of microscope photos of filamentous bacteria, the most efficient results were the variation in the hydrogen peroxide dose of 5 ppm for a duration of 6 days, because the results of microscope photos in this variation were able to kill filamentous bacteria well and many other bacteria appeared to still be alive.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TD Environmental technology. Sanitary engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Environmental Engineering | ||||||||
| Depositing User: | Oris Hatpa Aditya Azhar | ||||||||
| Date Deposited: | 30 May 2024 07:23 | ||||||||
| Last Modified: | 30 May 2024 07:23 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/23472 |
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