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DVZ is a leading manufacturer of new generation marine sewage treatment systems. The products are type approved according to MEPC2. (VI) and the new IMO Resolution MEPC.159 (55). The DVZ Marine Sewage Treatment system is considered for treating the wastewater (black/grey water).

In DVZ, the adjusted capacity is calculated by dividing the amount of daily wastewater by a working time about 22 hours. This capacity is limited by the amount of the permeate flow (clean water), which will be controlled by the pressure holding valve (PHV). The inlet peak loads will be buffered in the buffer tank, which is a part of sewage treatment concept. The system works automatically and will be controlled by PLC over level transmitter in the plant and in the buffer tank. In order to less wastewater in the buffer tank, the system will run under special standby program controlled by PLC (auto mode).

 

  • The essential advantages of DVZ Technology at a glance:

    Type-tested in accordance with IMO Resolutions MEPC2. (VI) and MEPC. 159 (55)
    High flexibility against peak loads
    High Oxygen solubility effect
    Problem-free operation, absolute clean water effluent acc. to IMO Res. MEPC. 159 (55)
    Can be used with Buffer tank and macerator pump in gravity systems and all vacuum systems
    Very compact, for limited space availability or retrofitting
    Up to 4 times smaller dimensions than conventional systems
    High purification effect
    It is not sensitive against shock, vibration and movement
    High biomass concentration tolerance in reactor
    High flexible, it can be scaled up or down with a number of JZR or DVZBMSU modules
    Easy to handle
  • DVZ-SKA "BIOMASTER" - PLUS

    Certified acc. to IMO Resolution MEPC.159 (55) In conformity with Alaska and Great Lakes rules
    Advanced BMSU-System (Bio-Mass-Separation-Unit) for excellent treatment results
    Submerged fixed bed bio-film process
    Can be used in gravity systems and all vacuum systems
    Stainless steel design
    Problem-free operation, low operation costs

    DVZ-JZR /SKA "BIOMASTER" - XS-Series

    Certified according to IMO Resolution MEPC. 159 (55)
    High purification effect
    Stainless steel design
    Optimum Bio-process monitoring
    High flexible, it can be scaled up or down with a number of JZR or DVZ-BMSU modules
    High Biomass concentration tolerance
    Defined retention time
    No movable part, it is not sensitive against shock, vibration and movement
    Easy to handle

    DVZ-FSU "OILCHIEF"

    Certified according to IMO Resolution MEPC. 107 (49)
    Optional with type approved FSU© by-pass function
    Capacity from 150 l/h up to 10.000 l/h
    Jet-wash oil drainage
    Available also in stainless steel and shock approved
    Compact design
    Easy installation
    Pump can optionally be used as separate transfer pump

 

DVZ Brochure (pdf)

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