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Ozone injection method and system

A technology of ozone and injectors, applied in the direction of ozone preparation, chemical instruments and methods, transportation and packaging, etc., can solve the problems of expensive equipment

Active Publication Date: 2007-03-28
NUTECH O3 INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The equipment used to perform direct injection on a line of this size is expensive

Method used

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  • Ozone injection method and system
  • Ozone injection method and system
  • Ozone injection method and system

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Embodiment Construction

[0043] Ozone is produced at a pressure of about 10-12 psi above atmospheric pressure. Deviations in this pressure can negatively affect the output of ozone. Ballast water is pumped into the ship at variable pressure, which can be high when the tanks are filled. Relatively low pressure ozone / oxygen or ozone / air mixtures can be pressurized to higher pressures by very specialized and expensive equipment (due to the corrosive nature of ozone and more importantly the fact that ozone decomposes under the heat of compression ).

[0044] In one embodiment, the invention relates to ozone ballast water treatment. The proposed NAIS revision defines "ballast water" as "any water (and its suspended matter) used to maintain the balance and stability of a vessel". In another definition, "ballast water" is A) the containment of water on the deck of a vessel which is used to control the trim, list, draft, stability or stress of the vessel containing substances suspended in such water; and ...

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Abstract

A method and system of ozone treatment diverts a portion of water from a flow of water in a conduit; injects an ozone-containing gas into the portion to provide an ozonated portion; recombines the ozonated portion with the flow of water in the conduit; and preferably controls and / or regulates the diverted portion to provide a minimum diverted portion flow rate according to flow in the conduit and proportion of ozone in the injected gas. Another method and system identifies a species-destructive reaction product of ozone with a water constituent, determines a life of the reaction product, and contacts ozone with a water containing the species for a period determined according to the determined life of the reaction product. Another method and system treat ballast-water with ozone without release of detrimental off-gas into the atmosphere.

Description

[0001] Statement of Government Interest [0002] This invention was made with Government support under Contract No. NA04OAR awarded by the Department of Commerce, National Oceanic and Atmospheric Administration. The government has certain rights in this invention. technical field [0003] The invention relates to a ballast water ozone injection method and system. More particularly, the present invention relates to a system for injecting ozone for treating ballast water when ballasting or deballasting the ballast tanks of sea transport containers or ships. Background technique [0004] Ballast water is used on ships at sea to compensate for shortfalls in cargo weight and to maintain stability when a ship's cargo holds are empty or partially empty. For example, in a typical shipping operation, a marine vessel docks at a quay at a first port to load cargo, and the vessel then sails to a second port where it unloads. The vessel then returns to the first port and loads other c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/78B63B13/00
CPCB63J4/002C02F2301/043C02F2201/782B63B13/00C02F2209/005C02F2103/008C02F1/78A61L2/14A61L2/20C01B13/10
Inventor 约翰内斯·范·莱文迈克尔·D·詹宁森理查德·A·米勒杰克·H·罗宾逊
Owner NUTECH O3 INC
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