Firmansyah, Ghany (2025) KINETIKA REAKSI PERTUMBUHAN BAKTERI PSEUDOMONAS FLUORESCENS PADA PROSES FERMENTASI AIR LINDI. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Leachate is a liquid waste generated from the decomposition of solid waste in landfill sites, which has the potential to pollute the environment due to its high content of organic matter and heavy metals. This study aims to analyze the growth kinetics of Pseudomonas fluorescens and the physical characteristics of leachate after the fermentation process. The fermentation was carried out aerobically for 8 days with variations of bacterial inoculum volumes of 5 mL, 7 mL, and 10 mL in 100 mL of leachate. The observed parameters included pH, temperature, C-organic concentration, and bacterial colony count. The results showed a significant increase in bacterial growth during the logarithmic phase, following a linear relationship between ln(CA0/CA) and ln(CC/CC0). The determination coefficient (R²) values were close to 1, indicating good conformity with the microbial growth kinetics model. In addition, there was a reduction in C-organic and heavy metal contents, as well as changes in the physical characteristics of the leachate, indicating improved quality of the fermentation product. Therefore, leachate fermentation using Pseudomonas fluorescens has the potential to reduce environmental pollution and enhance the usability of leachate as an environmentally friendly processed product.
| Item Type: | Thesis (Undergraduate) | ||||||||||||
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| Subjects: | T Technology > TD Environmental technology. Sanitary engineering T Technology > TP Chemical technology > TP155 Chemical engineering |
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| Divisions: | Faculty of Engineering > Departement of Environmental Engineering | ||||||||||||
| Depositing User: | Ghany Firmansyah Ghany | ||||||||||||
| Date Deposited: | 04 Dec 2025 08:14 | ||||||||||||
| Last Modified: | 04 Dec 2025 08:14 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/47728 |
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