Setyoningrum, Rahmadiah Indah (2025) Analisis Economic Engineering Penggunaan Koagulan Natural-Based dan Koagulan Metal-Based Dalam Pengolahan Air Bersih. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Polluted river water can cause a decrease in water quality, especially in the parameters of pH, turbidity, Total Suspended Solids (TSS), and color. This study aims to analyze moringa seed biocoagulant (BBK), maggot shell biocoagulant (BCM) and chemical coagulant (alum) to determine the level of effectiveness of coagulants in removing pollutants, analyzing the cost efficiency of using coagulants in clean water treatment using an economic engineering approach. This study begins with the process of making biocoagulants, the process of removing water parameters using the coagulation-flocculation method, as well as economic cost analysis on a laboratory scale and industrial scale simulation (PDAM). This study shows that natural coagulants have a competitive level of parameter removal effectiveness with chemical coagulants in terms of engineering and economics. In terms of water parameter removal techniques, natural coagulants have an optimum dose in the range of 50 mg/L - 150 mg/L, the optimum dose of BBK is 50 mg/L and BCM is 100 mg/L. For alum coagulant, the optimum dose is in the range of 150 mg/L-250 mg/L and the most effective dose is at a dose of 150 mg/L. From a technical and economic perspective, natural-based coagulants are more economically efficient than metal-based coagulants, BBK is 5% more economical than alum, and BCM is 30% more expensive than BBK and alum. BBK is the most efficient and economical alternative in clean water treatment because the effective dose is at a lower number than BCM and alum.
| 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: | Rahmadiah Indah Setyoningrum | ||||||||
| Date Deposited: | 22 Dec 2025 02:37 | ||||||||
| Last Modified: | 22 Dec 2025 02:52 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/48001 |
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