Arinda, Elsa (2023) Kondisi Optimum Jarak Lampu UV dan Massa Resin Immobilized-ZnO untuk Menyisihkan COD, Total-N, dan Fosfat Limbah Tahu pada Reaktor Fotokatalisis Continue. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
The tofu industry produces wastewater containing high Chemical Oxigen Demand (COD), Total-N, and phospate. The high content of pollutans can cause water pollution if tofu wastewater discharged directly into the environment. One alternative to overcome this problem is by using resin immobilized photocatalyst-ZnO (RIP-ZnO) material in a continuous photocatalytic reactor to degrade pollutants with the AOPs principle through a photocatalytic oxidation mechanism. This study aims to determine the effect of UV light distance and RIP-ZnO mass to remove COD, Total N, and phosphate in tofu wastewater in a continuous photocatalytic reactor. The photocatalytic reactor was designed with diameter 3.1 cm, 50 cm in hight, UV lamp power 32 watt, and a flow rate 30 mL/minute. The photocatalytic reactor was operated with variations in the mass of RIP-ZnO 25 g, 37.5 g, 50 g and variations in the distance between the UV lamp and water 0 cm, 10 cm, 20 cm. The results showed that the best light distance and mass of RIP-ZnO in degrading COD, Total-N, and phosphate in tofu wastewater were 0 cm and 37.5 g with an operating time of 0 to 4 hours. The highest percentage removal of COD, total-N, and phosphate which was achieved at a lamp distance of 0 cm with a mass of 37.5 g at the 0 hour sampling were 91.26%, 71.86%, and 79.35%.. The mass of RIP-ZnO and the distance between the UV lamp and water affect the pollutant degradation process which is related to the amount of RIP-ZnO in contact with wastewater and the irradiation factor which acts as an energy source in the photocatalyst process.
| 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: | Elsa Arinda | ||||||||
| Date Deposited: | 19 Sep 2023 01:41 | ||||||||
| Last Modified: | 19 Sep 2023 01:41 | ||||||||
| URI: | http://repository.upnjatim.ac.id/id/eprint/15739 |
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