Treatment apparatus for ship ballast water

Details Treatment apparatus for ship ballast water Treatment apparatus for ship ballast water

2007-09-28

2011-10-18

Nguyen, Nam (Department: 1778)

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Maintaining stream pressure or flow

C210S192000, C210S195100, C210S202000, C210S242100, C210S258000, C210S259000

Reexamination Certificate

active

08038875

ABSTRACT:
A practical treatment apparatus for ship ballast water, which can kill aquatic organisms contained in the ballast water, is provided by being easily incorporated in an existing ballast-water system piping in a ship. In a branch pipe131branched from the existing ballast-water system piping for taking in the ballast water into the ship by a first ballast pump4with high flow-rate/low pressure and transferring it to a ballast tank2, an ozone mixing device for mixing ozone generated by an ozone generator, a second ballast pump134for discharging said ballast water with lower flow-rate/high pressure than those of said first ballast pump, a slit plate135provided on the secondary side of said second ballast pump134and having a plurality of slit-shaped openings for passing said ballast water, and a deaeration tank136for deaerating undissolved ozone from the ballast water are provided, and the apparatus is configured so that the ballast water after deaeration discharged from said deaeration tank136is returned to said ballast-water system piping.

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Merriam-Webster online definition for “dissolve” (obtained Feb. 2010).
English language machine translation of 2003-200156.
Oemcke, “THe treatment of Ships' Ballast Water.” EcoPorts Monograph Series No. Mar. 18, 1999.
Kikuchi, Takeaki, “Ship ballast water management treaty and ballast water treating system.” Cargo Handling Japan, vol. 51. No. 2. pp. 235-240 (Mar. 2006).
Kikuchi, T., “Ship ballast water management treaty and ballast water treating systems” (aka “International Convention for the Control and Management of Ship's Ballast water and Sediments and Systems for Treating Ship Ballast water”) Cargo Hadling Japan. vol. 51. No. 2., Mar. 2006. (English language translation).
Machine translation of JP 2005-088835 to Yuya (obtained from JPO Jul. 2010).

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