Patents
An apparatus for disinfection of sea water/ship's ballast water, which comprises a water intake means (17 & 18) consisting of a ballast water intake source (17) and a pump means (18) connected in series through a pressure gauge (3) and check valve(s) to an inlet port of a cavitation chamber (5), mainly through an heat exchanger (4), characterised in that the said cavitation chamber (5) essentially being provided with single or multiple cavitating elements (2) placed perpendicular to the direction of flow of fluid, the said cavitating elements (2) being spaced at uniform or non-uniform spacing and each said cavitating element (2) having a fractional open area in the form of single or multiple orifices, the said cavitating element is having a fraction of open area in the range of 0.01 to 0.90 times the holding chamber cross sectional flow area, the said cavitating element(s) having a fractional open area in the form of single or multiple orifices are either circular or non-circular with or without sharp edges, wherein each hole is having diameter in the range of 500 micrometers to few millimeters, the output of the said cavitation chamber (5) being passed through a quality check point (6) and check valve(s) (7) to a ballast tank (8), the output of the said ballast tank (8) being connected to a discharge pump (9) through check valve(s) to a discharge outlet