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Marine Land
+971 56 115 8084
  • Valve
    • Globe valves
    • check valves
    • butterfly valve
    • Ball valves
    • Storm valves
    • Fire hose valves
    • Needle valves
    • Safety relief valves
    • ANGLE STORM GLOBE VALVE
    • ANGLE GLOBE VALVE
    • Gate valve
    • Vertical valve
    • Angle storm valve
    • Air vent
    • Butterfly valve lugged t...
    • Butterfly valve lugged t...
    • Trunion mounted ball val...
    • Dual plate check valve
    • Direct action solenoid v...
    • Y strainer
    • Cock Valves
    • Angle Valves
    • Indicator cock Valves
    • Boiler Valves
    • Bucket Strainers
    • Quick Closing valve
    • Mudbox
    • SDNR Globe valve
    • Strainer
    • Valves Chests
    • Air pipe head
  • Marine Crane
  • Sewage Treatment Plants
  • Water Maker
  • OWS
  • SART
  • Magnetic Compasses
  • weather monitoring systems
  • speed logs
  • transmitting magnetic compass
  • other product
  • sea chartering
    • Boat rental
      • Crew boat charter UAE
      • Supply boat charter UAE
    • Ship rental
      • Offshore supply vessel charter UAE
    • barge rental
    • charter
      • Emirates tugboat charter
      • Emirates Landing Craft Charter
      • cargo charter
    • asd charter
  • spare parts
    • yamaha spare part
    • mercury spare part
  • Satellite
    • Marlink Sealink Allowanc...
    • Marlink Sealink Business
    • Marlink Sealink Premium
    • Inmarsat Fleet Xpress
    • Inmarsat Fleetbroadband
    • Iridium Certus
    • Iridium Handhelds
    • Inmarsat C and Mini C
    • Inmarsat Fleet One
    • Telenor Satellite Anker
    • Iridium OpenPort
    • satellite
  • Marine Generator
    • Diesel generator
      • Electronic Diesel Generators
      • Diesel Generators
      • Sound Guards
      • Industrial Generators
      • Mase
      • Marine Generators with Variable Speed Technology
      • Constant speed AC marine generators
      • AC Marine Generators
      • AC Marine Generators 60 Hz / 1800 rpm (PMS)
      • DC Marine Battery Charging Generators
      • variable speed Hybrid DC Generators VS Hybrid Power
      • B45L Marine
      • Onan Marine Generators 4kW65kW
      • QSK60 Marine
    • Petrol generator
      • Multiport EFI Gasoline Generators
      • Carbureted Gasoline Generators
    • marine generator
  • Battery and charger and inverter
    • Charge and Convert
      • Battery chargers
        • Mass 48 V
        • ChargeMaster Plus
        • ChargeMaster 12 V
        • ChargeMaster 24 V
        • EasyCharge
        • EasyCharge Portable
        • Accessories
      • Combis inverter charger combination
        • Mass Combi 24 V
        • CombiMaster
        • Mass Combi Ultra
        • Mass Combi Pro
      • DC Converters
        • Magic series
        • Mac Plus series
        • DC Master series
      • Sine Wave Inverters
        • Mass Sine 12 V
        • Mass Sine 24 V
        • Mass Sine Ultra 24 V
        • AC Master 12 V
        • AC Master 24 V
    • Store
      • MVG 12 V
      • AGM 12 V
      • AGM 6 V
      • AGM SlimLine
      • MVSV 2 V
      • BI Battery Isolators
      • Battery Mate
      • Charge Mate
      • Battery Watch
      • Battery Terminals
      • Isolation Covers
    • Manage monitor
      • Circuit Breakers
        • AD Rocker Circuit Breakers
      • CZone
        • DC Interfaces
        • Displays
        • Network Interfaces
        • Network Cables and Connectors
        • Accessorie
      • Electrical Switchboards
        • Waterproof Switches without control button DC
        • Control Buttons with Illuminated Legends
        • Installation Frames for Waterproof Switches
      • MasterBus
        • MasterBus Network Components
        • MasterBus Interfaces
        • MasterBus Displays
        • MasterBus Accessories
      • Remote Control and Monitoring
        • Battery Monitoring
        • Control Panels
        • Analogue Meters
        • Miscellaneous Monitoring
    • Generate
      • Alternators 12 V
      • Alternators 24 V
      • Accessories Alpha Compact series
      • Accessories Alpha series
      • Charge Regulators
      • Solar Charge Regulators
    • Connect
      • AC transfer systems
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      • Isolation Transformers
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    • Battery and charger and inverter
  • Pumps
    • Solids handling pump
    • Contractors Pumps
    • Transformer Oil Pumps
    • Vertical Multistage Inli...
    • Resi Stream Pumps
    • BWTS
    • Internal Gear Pump
    • Centrifugal Pump
    • Stripping Pump
    • BWMS
    • FineFog Fire Fighting Sy...
    • Cargo Pumps
    • Submerged lubrication oi...
    • Mobile Fire & Emergency...
    • Priming Ejector
    • Vertical Pump
    • Submersible pumps
    • Fire Water Pumps
    • Vertical Turbine Pumps
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    • Split Case Pumps
    • Vertical Inline Pumps
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BWTS

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  • Solids handling pump
  • Contractors Pumps
  • Transformer Oil Pumps
  • Vertical Multistage Inline Pumps
  • Resi Stream Pumps
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Product 2

Ballast Water Treatment System (BWTS)

A ballast water treatment system (BWTS) is designed to remove and eliminate biological organisms (zooplankton, algae, bacteria) from ballast water.

The ballast water treatment system is an increasingly evolving technology, and the number of manufacturers active in this field is increasing. For this reason, there is very limited experience in using this service, and there is no one-size-fits-all service.

 

Ballast Water

Ballast water is a way to introduce non-native marine species. This term refers to fresh or saline water that is stored in ballast tanks and ship cargo holds. These tanks are used to create stability on the ship. When a ship travels uncharted at sea, the cargo it carries is not heavy enough, or the sea weather is turbulent and requires more stability, water is stored in these tanks to increase its weight and make it more stable. Another use of ballast water in a ship is to maintain a stable weight for the ship to sink into the water. Therefore, the air draft decreases and the ship can easily pass under bridges and other structures.

For the smooth movement of the ship on board, it must be in a certain weight range to maintain its stability. When the cargo ship delivers part of its cargo to a port, the ballast water replaces the weight deducted from the ship. If a cargo needs to be added to the ship at the next port, this water is drained so that the ship's weight balance is not disturbed by the load. In this way, ballast water may be discharged and loaded in each port to observe the weight range and this water is a combination of several ports. Ballast water release may bring non-native organisms into the evacuation port. These introduced species or biological invaders are also called exotic species, alien species, and non-native species.

 

The ballast water treatment system works in two stages:

  1. Mechanical separation
  2. Physical or chemical treatment

This process is done by technologies based on Ultra-Violet (UV) and Electro-Chlorination (EC). UV systems use physical ultraviolet light as secondary purification, whereas Electro-Chlorination uses a chemical "active ingredient" to inactivate biological organisms. Both systems typically use filtration as the first phase of mechanical operation.

 

Ballast Pumps

Electric pumps are usually installed vertically and installed with separate motor priming systems. In close-coupled designs, the rotating part of the pump is mounted on an extended motor shaft. This design creates a problem when the pump needs to be opened, as most of the rotor section must be detached from the pump to provide adequate access.

With owners expecting to shorten port rotation time, the need to insert or remove ballasts from tanks can be a sense of urgency. Container ships are an example. Since the containers on the ship create six heights, the ballast must be done accurately and correctly so that it can leave the port. As a result, ballast pumps have to move a significant volume of seawater.

If the operator states that the ballast tank must be emptied or filled at a certain time, you can divide the ballast volume by the time to get the speed. As time passes and the water tank empties the effective flow rate decreases. This in turn means that the safety margin created by the pump manufacturer is reduced and friction losses in the piping can derail the flow.

Another requirement of these pumps is a priming system with sufficient air management capacity. The pump/priming system must not only deal with the depth of the tanks on the double bottom, but also with the height of the pump above the tank. Air injectors have a limited capacity, so separate actuator motor pumps are required for larger pumps.

  • Erma First fit BWTS

    Erma First fit BWTS

  • COSCO Ballast Water Pump

    COSCO Ballast Water Pump

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