Unlock instant, AI-driven research and patent intelligence for your innovation.

Method and apparatus for treating ballast water

A technology of ballast water and ballast water tanks, which is applied to water treatment devices, transportation and packaging, and special treatment targets, etc.

Inactive Publication Date: 2016-07-06
EVONIK DEGUSSA GMBH
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method described in EP1671932 is not approved by IMO for ballast water treatment

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method and apparatus for treating ballast water
  • Method and apparatus for treating ballast water
  • Method and apparatus for treating ballast water

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0056] Stability of peracetic acid in treated water

[0057] The effect of the combined addition of equilibrium peracetic acid and catalase on the reduction of hydrogen peroxide and peracetic acid content was studied for low-salt and high-salt saline at different temperatures. For this purpose, tap water or seawater from the North Sea (Texel / NL, salinity 25.9) was equilibrated with 150 mg / l peracetic acid at 23°C or 2°C Ocean and varying amounts of catalase solution from Genencor CA400L (specific activity 3743 units / g solution) was mixed, wherein, for more accurate metering, the catalase solution was diluted 1000 times or 10000 times with demineralized water before addition. Subsequently, the treated water was stored in a glass bottle at a specified temperature, and by sampling and analyzing hydrogen peroxide (the reagent was dipotassium dipotassium bisoxalate dihydrate, absorbing at 385 nm) and peracetic acid (the reagent was 2, The content of 2'-azinobis(3-ethylbenzothiaz...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention provides for the treatment of ballast water, when the ballast water is loaded into the ship, adding balanced peracetic acid and catalase to the ballast water, wherein the balanced peracetic acid is processed at 5 mg / l to 50 mg / l Acetic acid is added in an amount and catalase is added in an amount that decomposes the content of hydrogen peroxide introduced with the equilibrium peracetic acid to less than 2 mg / l in the ballast water within 120 h. The invention also provides a suitable device for treating said ballast water, said device comprising a ballast water tank (1), piping (2, 3, 4, 5, 6, 7,8) and piping (8,9,3,4,10) for emptying said ballast water tanks, wherein metering devices for balancing peracetic acid (15) and catalase (16) connected to said piping for filling said ballast water tanks, and a metering device (17) for reducing agent is connected to said piping for emptying said ballast water tanks.

Description

technical field [0001] The present invention relates to methods and devices for treating ballast water on board ships. Background technique [0002] Most cargo ships are equipped with ballast water tanks, which are filled with ballast water when the ship is sailing empty or with low load to ensure the stability of the ship's position and prevent the ship from capsizing. Microorganisms such as bacteria, phytoplankton and their spores are loaded with the water when ballast tanks are filled, and are transported over long distances by emptying the ballast tanks at different ports or coastal waters. The spread of organisms in this manner into ecosystems outside of their natural habitat is undesirable and can cause significant problems. [0003] This spread of organisms with the ballast water can be prevented by treating the ballast water with a biocide. [0004] US 5,256,423 describes a method of killing cysts of toxic plankton by adding 10 ppm to 500 ppm hydrogen peroxide or h...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/72B63J4/00C02F103/00C02F1/00
CPCC02F1/008C02F1/722C02F2103/008C02F2209/02C02F2209/04C02F2209/05C02F2209/40C02F2303/04C02F2303/18B63J4/002C02F1/50C02F3/342C02F2101/10C02F2201/001C02F2209/00C02F2209/36
Inventor J·迈尔F·D·库恩S·西本利斯特
Owner EVONIK DEGUSSA GMBH
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com