Annisafitri, Rizky Maulida (2026) ADVANCED OXIDATION PROCESSES (AOPs) MENGGUNAKAN H2O2-UV DALAM MENURUNKAN JUMLAH TOTAL COLIFORM, NH3-N, DAN COD PADA PROSES LANJUTAN UNIT FINAL CLARIFIER IPLT. Undergraduate thesis, Universitas Pembangunan Nasional "Veteran" Jawa Timur.
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Abstract
Indonesia's high population growth has created crucial sanitation problems. Sewage Treatment Plants (STPs) are a solution for sewage management, although they still have limitations in optimally removing major contaminants such as ammonia, total coliform, and chemical oxygen demand (COD). This study aims to evaluate the performance of the advanced oxidation process (AOP) combining hydrogen peroxide and ultraviolet light (H₂O₂-UV) in degrading these three pollutants in wastewater sourced from the outlet of the IPLT Final Clarifier unit. The experiment was conducted in a batch reactor with an initial pH setting of ±6. The operating variables tested included stirring speed (100 and 150 RPM), H₂O₂ concentration (0.1–0.7%), and UV irradiation time (15–45 minutes). The results revealed that the highest removal efficiency for Total Coliform (99.24%) and ammonia (88.32%) was achieved at a H₂O₂ concentration of 0.7% with a contact time of 45 minutes. Meanwhile, optimal COD removal of 79.55% was obtained at a H₂O₂ concentration of 0.5% with the same contact time. These findings prove the effectiveness of the H₂O₂-UV process as a technology capable of simultaneously degrading various pollutants in IPLT wastewater through the mechanism of non-selective hydroxyl radical (•OH) production.
| 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: | Rizky Maulida Annisafitri | ||||||||||||
| Date Deposited: | 24 Feb 2026 05:53 | ||||||||||||
| Last Modified: | 24 Feb 2026 05:54 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/49641 |
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