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Prominent  Reverse Osmosis System Dulcosmose® BW - poolandspa.ph

Prominent Reverse Osmosis System Dulcosmose® BW

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Permeate output 2,000 – 50,000 l/h

Reverse osmosis system Dulcosmose® BW is the standard model for the modern desalination of brackish water. Equipped with the latest generation of "high rejection low-pressure" membranes, this system achieves maximum permeate output with moderate operating pressures, thereby lowering investment and operating costs.

Brackish water is transformed into drinking water

A reverse osmosis system of type of BW has PVC pipework on the low-pressure side. The system has high-grade stainless steel (type DIN 1.4571) on the high-pressure side. Stainless steel pipes are welded under shielding gas and a forming gas atmosphere and subsequently passivated in a pickling bath. The integrated semi-automatic cleaning system with permeate and/or raw water flushing ensures exceptionally long membrane service lives, as scaling and fouling effects are minimised. The system is very adaptable to specific customer requirements. Pipework material, other types of membrane for enhanced salt retention, integration of measuring and control technology and metering technology to visualisation of the entire process with peripheral components via a PLC.

Your benefits

  • Efficient operation with low pressure membranes with maximum output and salt retention rates of up to over 99 %
  • Reduced maintenance and service costs as well as long membrane service lives, thanks to integrated cleaning concepts and flushing options
  • Service-friendly construction of systems on a corrosion-resistant powder-coated steel or stainless steel frame
  • Simple and safe to operate: Central control of the entire system by microprocessor controller or industrial PLC with touch panel and process visualisation.
  • Application-optimised design taking into account economic aspects, such as the durability of the membranes, energy efficiency and process automation
  • One-stop shop: no interface problems, smooth running with short times between definition of the task to joint commissioning and on-site system supervision with our global subsidiaries

Field of application

  • Decentralised, public or private supply of potable water.

Technical Details

  • Turnkey systems constructed on a high-quality, double powder-coated steel or stainless steel frame.
  • Highly efficient low-pressure membranes with maximum output and system retention rates of over 99% integrated in epoxy-glass resin pressure pipes
  • Pre-filter 5µm with manometer for determining differential pressure
  • Pressure switch to protect the high-pressure pump
  • Flow meter to display permeate, concentrate and concentrate return volume
  • Semi-automatic cleaning system for chemical module cleaning for long module service lives
  • 2 switching inputs for level control of the cleaning tank
  • 2 switching inputs for level control of the permeate tank
  • Pause switching input for external On/Off
  • External fault switching input
  • Temperature measuring input (Pt 100)
  • Active permeate valve output (filling of cleaning tank)
  • Active output for flushing valve for initial permeate disposal (depending on conductivity), raw water, permeate and interval flushing (idle time management)
  • Active output for controlling a metering pump (anti-scalant)
  • Analogue output 0/4…20 mA conductance
  • Optional industrial PLC with touch panel and process visualisation

The product range Dulcosmose® BW was designed for the following values in feed water:

Salt content max. 5,000 mg/l*
pH range 3.0 … 10.0
Silt density index max. 3
Free chlorine max. 0.1 mg/l
Total Fe, Mn max. 0.2 mg/l
Total hardness max. water must be chemically stabilised
Bacteria count max. 100 KBE/ml
Turbidity max. 0.5 NTU
COD max. 5 mg/l**
* Deviating salt contents have a corresponding influence on the performance data.
** As O2

Systems with 8" membranes, system salt retention 95-99%

Plant Permeate capacity at 25 °C water temperature Number of 4″ and 8″ membranes Connected load Dimensions H x W x D
l/h No. kW mm
PRO 0200BW 2,000 9 4.0 1,800 x 3,500 x 750
PRO 0300BW 3,000 3 5.5 1,800 x 4,000 x 1,000
PRO 0400BW 4,000 4 5.5 1,800 x 3,000 x 1,000
PRO 0500BW 5,000 5 5.5 1,800 x 4,000 x 1,000
PRO 0600BW 6,000 6 7.5 1,800 x 4,000 x 1,000
PRO 0700BW 7,000 7 7.5 1,800 x 4,000 x 1,000
PRO 0800BW 8,000 8 15.0 1,800 x 4,000 x 1,000
PRO 0900BW 9,000 9 15.0 1,800 x 4,000 x 1,000
PRO 1000BW 10,000 10 15.0 1,800 x 4,000 x 1,000
PRO 1100BW 11,000 11 15.0 1,800 x 4,000 x 1,000
PRO 1200BW 12,000 12 15.0 1,800 x 5,000 x 1,000
PRO 1300BW 13,000 13 15.0 1,800 x 6,000 x 1,000
PRO 1400BW 14,000 14 15.0 1,800 x 5,000 x 1,000
PRO 1500BW 15,000 15 18.5 1,800 x 5,000 x 1,000
PRO 2000BW 20,000 21 18.5 1,800 x 6,000 x 1,200
PRO 2500BW 25,000 26 30.0 1,800 x 6,000 x 1,200*
PRO 3000BW 30,000 29 30.0 1,800 x 6,000 x 1,200*
PRO 4000BW 40,000 42 45.0 1,800 x 7,000 x 1,200*
PRO 5000BW 50,000 51 60.0 1,800 x 7,000 x 1,200*
* Separate cleaning tank

On request, these plants can also be supplied with different membrane types for other salt rejection, and with measuring and control equipment (conductivity, ORP, pH measurement) and metering equipment (in pre-treatment and post-treatment).

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