Marine Bilge Oily water separator (OWS) for ships is a special machine for the marine or shipping industry. They can be used to separate a mixture of oil and water into their respective components. They are found on ships and are used to separate oil from oily wastewater, such as bilge water, before it is discharged into sea or other waters in the nature. These wastewater discharges must meet the requirements of the The International Convention for the Prevention of Pollution from Ships, 1973 as modified by the Protocol of 1978.
Any vessel of 400 gross tons and above but less than 10000 gross tons shall be equipped with oil filtering equipment approved by the competent authority. The oil content of the oil mixture discharged into the sea through the oil filtering equipment shall not exceed 15 ppm. Any ship of 10000 gross tons and above shall be equipped with the Bilge Oily water separator (OWS) approved by the competent authority. And a device which can give an alarm and automatically stop the discharge of the oil mixture when the oil content of the discharge exceeds 15 ppm shall be installed.
There are many methods of oil-water separation, including physical separation, chemical separation and electrical separation.
The 15ppm bilge oil water separator built by TUF Marine (Chongqing Perpetual) is designed by the combination of gravity separation and filtration adsorption. Among them, the mixture after gravity separation completed by the separation drum can be less than 15ppm, and the mixture after filtration and absorption completed by the polishing filter can be less than 5ppm.
Approvals: China Classification Society (CCS), Lloydâ??s Register (LR) , Bureau Veritas (BV) ,Croatian Register of Shipping/ Austrian Veritas (Hrvatski Registar Brodova), Registro Italiano Navale (RINA), American Bureau of Shipping (ABS), DNV-GL , Nippon Kaiji Kyokai (NK), Russian Maritime Register of Shipping (RS), Korean Register of Shipping (KR)
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