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Experimental Study of An Enhanced Prototype of Ballast Water Treatment Using Filtration of Crumb Rubber and UV Radiation

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DOI: 10.23977/mastic.022


Trika Pitana, Halimah Puspitasari, and Maya Shovitri

Corresponding Author

Trika Pitana


To maintain the balance of the ship from trim or rolling, especially when the ship is loading or unloading, it is necessary to fill and discharge ballast water in the tanks, so that is can keep the ship’s weight as low as possible and maintain the position of the ship always in the event of the keel. Ballast water used is needed a processing process if it will be thrown back to the sea. Due to the IMO described the regulation of ballast water, it shall be treated before the sea water is discharge to the sea for protected from microorganism that can damage the surrounding environment. The one of the ways to inactivate the microorganism is using filtration of crumb rubber and UV radiation. The used method in this research is scalling up the UV reactor from the first prototype. In this research, it is known the addition of effective and efficient flow rate with the capacity of 10 Lpm, 30 Lpm, 50 Lpm and 70 Lpm. Final goal of this research is to validate the information of microorganism contain from the first prototype and the scalling up prototype. To calculate the microbial content in the water samples is using Total Plate Count (TPC) method with Eosin Methylene Blue (EMB) as bacteria growing media and Aquades with salinity as a medium of diluent. The most effective and efficient flow rate and dose of UV in inactivating microbial content is 10 Lpm and the UV dose is 120 watts. The results of this research have the same consistency from the previous one and prove that scalling up prototype can reduce the amount of microbial content. It is hoped that this research can be one way to reduce the results of microbial content in the ballast water in accordance with IMO standardization.


Ballast Water Treatment, Crumb Rubber, UV Radiation

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