Vania, Navira Wahyu and , Dwi Astuti SKM. M.Kes (2025) Keefektifan Tanaman Kiambang (Salvinia molesta) Dalam Menurunkan Kadar BOD (Biological Oxygen Demand) Pada Limbah Cair Industri Tahu. Skripsi thesis, Universitas Muhammadiyah Surakarta.
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Abstract
Industry plays an important role in economic development, but its growth often has a negative impact on the environment. One industry that contributes to pollution is the tofu industry, which is mostly household-scale and not equipped with a wastewater treatment system. Tofu wastewater contains organic and inorganic materials that exceed environmental quality standards, such as BOD, COD, and TSS, which can pollute water bodies and cause health problems.. The BOD level based on secondary data from the Tofu Industry in Moyoretno Village, Matesih District, was 191.1 mg/l, this result exceeds the wastewater quality standard. Phytoremediation is a wastewater treatment method that utilizes aquatic plants to absorb, decompose, and stabilize pollutants in wastewater. The kiambang plant (Salvinia molesta) was chosen to have high hyperaccumulator ability and fast growth, so it is effective in reducing pollutant levels in wastewater. The purpose of this study was to determine the effectiveness of kiambang plants to reduce BOD levels in the Tofu Industry in Moyoretno Village, Matesih District. This type of research is a true experiment with a pretest-posttest with control research design. The location of the study was in the Tofu Industry in Moyoretno Village, Matesih District. Phytoremediation using 4 plants, 6 plants, 8 kiambang plants was carried out for 7 days in 15 liters of wastewater. The average results of the effectiveness of BOD levels after treatment were 40.45%; 61.41%; 73.13%. The statistical test used was One Way Annova. The results of the study showed that kiambang plants were effective in reducing BOD levels in wastewater with an effective dose of 8 plants (p-value 0.001). This method can be applied to small and medium industries to reduce environmental pollution due to the disposal of tofu waste that is not properly processed. This study is also expected to be the basis for further development in the application of phytoremediation technology in various other food processing industries.
| Item Type: | Thesis (Skripsi) |
|---|---|
| Uncontrolled Keywords: | phytoremediation, Salvinia molesta, Biological Oxygen Demand, tofu wastewater. |
| Subjects: | G Geography. Anthropology. Recreation > GE Environmental Sciences > Waste Processing R Medicine > Public aspects of medicine R Medicine > Public aspects of medicine > Public health. Hygiene. Preventive Medicine(Kesmas) > Pengolahan Limbah |
| Divisions: | Fakultas Ilmu Kesehatan > S1 Kesehatan Masyarakat |
| Depositing User: | NAVIRA WAHYU VANIA |
| Date Deposited: | 02 May 2025 01:46 |
| Last Modified: | 08 Sep 2025 06:45 |
| URI: | http://eprints.ums.ac.id/id/eprint/133570 |
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