Prasetyo, Aditya Reyhan (2026) Proses Anoxic-Oxic dengan Metode Moving Bed Biofilm Reactor (MBBR) dalam Meremoval Parameter Organik pada Limbah Industri Rumah Potong Ayam. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
The Poultry Slaughterhouse (PSH) industry is a sector that generates wastewater with high organic matter and nitrogen content, which has the potential to pollute the environment. This study aims to analyze the capability of the Moving Bed Biofilm Reactor (MBBR) method using an Oxic-Anoxic process to reduce Chemical Oxygen Demand (COD) and Total Nitrogen (N-Total) parameters in PSH wastewater. The research was conducted on a laboratory scale using a 10-liter capacity reactor with Bioball BB-30 media. The research method employed a batch system with variations in media filling volume (15%, 25%, and 35%) and variations in Hydraulic Retention Time (HRT) for 4 hours, 6 hours, and 8 hours. The research stages included pre-treatment, seeding for 15 days until a minimum MLSS value of 2000 mg/L was reached, and gradual acclimatization (30%, 60%, 90%) until steady-state conditions were achieved. The results showed that the optimum operating conditions were reached in the reactor with a 35% media filling volume and an 8-hour retention time. Under these conditions, the reactor was able to reduce COD levels by 80% (from 3050.2 mg/L to 610 mg/L) and Total Nitrogen by 71.7% (from 264.5 mg/L to 74,85 mg/L). Supporting physicochemical parameters such as pH (6.6–7.5), temperature (24.0°C–27.5°C), and Dissolved Oxygen (0.5–6.8 mg/L) were within the optimal range for the activity of nitrifying and denitrifying bacteria. The increase in media filling volume and retention time proved to be directly proportional to the efficiency of pollutant removal as it provides a larger biofilm surface area for the growth of decomposing microorganisms.
| 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: | Aditya Reyhan Prasetyo | ||||||||
| Date Deposited: | 29 May 2026 06:34 | ||||||||
| Last Modified: | 29 May 2026 06:34 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/52580 |
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