Rahmawati, Chandra Nabila (2025) KOMBINASI METODE BIOFILTER DAN FITOREMEDIASI UNTUK PENYISIHAN KADAR PENCEMAR BOD, N-TOTAL DARI AIR LINDI. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Selopuro Landfill in Ngawi Regency operates using a controlled landfill system but lacks a proper leachate treatment facility, posing potential risks to the surrounding environment. This study investigates the effectiveness of a combined biofilter and phytoremediation system in reducing Biochemical Oxygen Demand (BOD) and Total Nitrogen (N-Total) levels in landfill leachate. The system utilizes honeycomb media in an upflow biofilter configuration and water lettuce (Pistia stratiotes) as the phytoremediator. This combination is expected to enhance pollutant removal efficiency, minimize land use, and reduce operational costs, thereby improving leachate quality to meet environmental standards. The research specifically aimed to evaluate the effects of plant density and Hydraulic Retention Time (HRT) on the removal efficiency of BOD and N-Total. The system was tested under various plant densities and HRT conditions, and the removal performance was analyzed. Results showed that increasing plant density could practically enhance BOD removal up to 96% and N-Total up to 98%. However, statistical analysis indicated that the effect of plant density was not significant (p-value > 0.05). In contrast, variation in HRT significantly improved removal efficiency, with BOD reduction up to 97% and NTotal up to 99%, and a statistically significant effect (p-value < 0.05). Therefore, HRT was identified as the more dominant factor influencing the performance of the biofilter-phytoremediation system compared to plant density.
| Item Type: | Thesis (Undergraduate) | ||||||||||||
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| Subjects: | T Technology > T Technology (General) T Technology > TD Environmental technology. Sanitary engineering |
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| Divisions: | Faculty of Engineering > Departement of Environmental Engineering | ||||||||||||
| Depositing User: | Chandra Nabila Rahmawati | ||||||||||||
| Date Deposited: | 12 Sep 2025 07:40 | ||||||||||||
| Last Modified: | 12 Sep 2025 07:40 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/43008 |
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