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There are three steps in the BWMS treatment process of ballast water. The first is filtration, followed by "electrolysis of seawater to produce sodium hypochlorite for sterilization" and finally "neutralization."
The first step is to create a plan.
Use an automatic backwash filter with a filtration accuracy of 50um when filling water to ensure that all ballast water is properly filtered before use. This step is capable of filtering out the majority of marine organisms as well as solid particles larger than 50 microns in size.
Step 2: Make a list of all of the things you want to do.
In order to sterilize water, electrolysis of seawater is used to produce sodium hypochlorite.
Take a small flow of seawater from the ballast water mainline and pass it through the electrolysis device, where it will be electrolyzed to produce a sodium hypochlorite solution with a high concentration of sodium. It is then injected back into the ballast water main pipe Road, where it is mixed with the ballast water in the main pipe and diluted to a specific concentration before being discharged into the sea. It is possible to achieve the desired sterilization effect with this concentration of sodium hypochlorite after filtration while also effectively killing the remaining plankton, pathogens, larvae, and spores after filtration (D-2 and other standards). The concentration of active substances in the ballast water pipeline is determined by the TRO (TRO Automatic Control of Analyzer and Control System), which is an automated control system.
Step 3: Make a list of all of the things you want to do.
"Neutralization"-When the concentration of residual chlorine in the ballast water is less than the IMO specified value during ballast water discharge, the neutralization system will not start, and the ballast water will be directly discharged to the destination sea area; when the concentration of residual chlorine in the ballast water is greater than the IMO specified value during ballast water discharge, the neutralization system will start, and the ballast water will be directly discharged to the destination sea area. When the specified value is reached, the neutralization system is automatically activated, and neutralizer is injected into the drainage pipe in order to neutralize any residual oxidant present. It is automatically controlled by the control system in response to information returned by the TRO detector about the concentration of neutralizer to be used in the process.
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