Nozzle mixing apparatus and methods for treating water in ship ballast tanks
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United States of America Patent
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Jun 27, 2017
Grant Date -
Nov 26, 2015
app pub date -
Jun 13, 2013
filing date -
Jun 18, 2012
priority date (Note) -
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Abstract
A system, method, and apparatus for treating ship or barge ballast water. The system includes a ballast tank storing ballast water and one or more nozzles located in the ballast tank. One or more pumps supply a chemical into the ballast tank and water to the nozzles. The nozzles are strategically located in the ballast tank to circulate the ballast water and mix the chemical with the ballast water without removing the ballast water from the ballast tank to a separate mixing and treatment area located outside the tank either onboard or off of the ship or barge. A controller receives a signal from a flow sensor in the ballast tank to control the one or more pumps to enable operating the nozzles alternately and intermittently to circulate the ballast water and the mix the chemical with the ballast water to minimize energy consumption.
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