Brackish water is transformed into potable water
A reverse osmosis Reverse osmosis is a sub-sector within membrane filtration. It is the process with the highest ... more in the glossary 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
The following list is a general representation of basically suitable applications for this product. Please contact your personal representative to discuss the use of the product in your individual 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:
* Different salt content influences the performance data accordingly |
** as O2 |
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 |
Max total hardness | water must be chemically stabilised |
Bacteria count max. | 100 KBE/ml |
Turbidity max. | 0.5 NTU |
COD max.** | 5 mg/l |
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 |
|---|
| gph | l/h | No. | kW | inch |
|---|
* Separate cleaning tank |
PRO 0200BW | 528 | 2,000 | 9 | 4.0 | 70.9 x 137.8 x 29.5 |
PRO 0300BW | 793 | 3,000 | 3 | 5.5 | 70.9 x 157.5 x 39.4 |
PRO 0400BW | 1,057 | 4,000 | 4 | 5.5 | 70.9 x 118.1 x 39.4 |
PRO 0500BW | 1,321 | 5,000 | 5 | 5.5 | 70.9 x 157.5 x 39.4 |
PRO 0600BW | 1,585 | 6,000 | 6 | 7.5 | 70.9 x 157.5 x 39.4 |
PRO 0700BW | 1,849 | 7,000 | 7 | 7.5 | 70.9 x 157.5 x 39.4 |
PRO 0800BW | 2,114 | 8,000 | 8 | 15.0 | 70.9 x 157.5 x 39.4 |
PRO 0900BW | 2,378 | 9,000 | 9 | 15.0 | 70.9 x 157.5 x 39.4 |
PRO 1000BW | 2,642 | 10,000 | 10 | 15.0 | 70.9 x 157.5 x 39.4 |
PRO 1100BW | 2,906 | 11,000 | 11 | 15.0 | 70.9 x 157.5 x 39.4 |
PRO 1200BW | 3,170 | 12,000 | 12 | 15.0 | 70.9 x 196.9 x 39.4 |
PRO 1300BW | 3,435 | 13,000 | 13 | 15.0 | 70.9 x 236.2 x 39.4 |
PRO 1400BW | 3,699 | 14,000 | 14 | 15.0 | 70.9 x 196.9 x 39.4 |
PRO 1500BW | 3,963 | 15,000 | 15 | 18.5 | 70.9 x 196.9 x 39.4 |
PRO 2000BW | 5,284 | 20,000 | 21 | 18.5 | 70.9 x 236.2 x 47.2 |
PRO 2500BW | 6,605 | 25,000 | 26 | 30.0 | 70.9 x 236.2 x 47.2 * |
PRO 3000BW | 7,926 | 30,000 | 29 | 30.0 | 70.9 x 236.2 x 47.2 * |
PRO 4000BW | 10,568 | 40,000 | 42 | 45.0 | 70.9 x 275.6 x 47.2 * |
PRO 5000BW | 13,210 | 50,000 | 51 | 60.0 | 70.9 x 275.6 x 47.2 * |
On request, these systems can also be supplied with other membrane types for greater salt retention and measuring and control technology (conductivity, redox potential, pH measurement) and metering technology (in pre- and post-treatment).
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