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South Africa
CALL 083 379 6996
+27 (0)11 395 3133

Nimbus Water office hours are Monday - Friday
08:00 - 17:00 local South Africa time (GMT+2).

 Water Filtration Solutions & Design Criteria

Typical Nimbus Water Technologies, South Africa, Water Purification Systems and water filtration & treatment technology for specialised applications in Domestic, Commercial and Industrial source water filtration and water treatment. Including borehole water, river or dam water.
Talk to Nimbus Water South Africa, regarding selecting the correct water treatment technology for your specific water treatment, or water purification application, be it influent, or effluent, grey water, wastewater, municipal water, river and dam water, or borehole water.
Water purification technology is on offer from Nimbus Water in South Africa, from basic filtration, treatment of hard water lime scale and dissolved iron, to advanced non chemical purification processes, including Ozone, Ultra Violet and Reverse Osmosis Membrane Technology.

What is Water Desalination?

Desalination can turn seawater into potable water through prepared filtration and Membane Technology - also known as RO, or Reverse Osmosis. Nimbus Water can assist with water analysis, water sampling, bench - top testing, to determine the most cost effective technology and filtration processes to treat sea water, or brackish water.

What is Desalination?

Few would disagree that the planet is running out of sources of vitally important freshwater. And - as the worldwide population continues to rapidly increase, and as droughts continue to plague the planet - most would agree that something needs to be done quickly to alleviate this growing concern. Otherwise, by 2025, two-thirds of the world‘s population could live in countries with severe water shortages.

97% - What About Sea Water Treatment?

With 97% of the planets water found in the oceans, one possible solution is desalination. This term refers to any of several processes that remove salt and other fine particulates from ocean water, treated wastewater and brackish water (a mixture of fresh and saltwater). More than 100 countries desalinize water; Saudi Arabia leads the way, accounting for 24% of the worlds capacity.

Reverse Osmosis - To Treat Sea Water!

Of the many desalination methods that exist, reverse osmosis is the most common, constituting 49.2% of installed desalination capacity worldwide, as of July 2006.

Reverse osmosis is accomplished by pumping seawater at high pressure through a permeable material that allows the water to pass through, but not the salt and other minerals. This is often done in multiple stages. The end result of the entire procedure is usable freshwater. Close to 50% of the supplied water is recovered, with the other half rendered unusable due to the high mineral content. Israel is home to the planets largest reverse osmosis plant, capable of producing 100 million cubic meters of water per year.


Another popular method of desalination is known as distillation. This process uses evaporation to separate salt and other impurities from saltwater. As the water is heated, it evaporates and leaves behind the unwanted materials. The steam is collected and condensed in a container, while the waste product is ejected. An advantage of distillation is that it uses thermal energy (sunlight) rather than conventional fossil fuels as its source of power, resulting in a more environmentally friendly solution. The drawback is that it yields less freshwater than does reverse osmosis. No matter the method of desalination used, an extremely concentrated - and potentially harmful - waste product is always produced. (The U.S. Environmental Protection Agency has classified it as industrial waste, thus requiring proper disposal.)

50% of the supply water is recovered

In the case of reverse osmosis, since 50% of the supply water is recovered, it means that the other 50% is now twice as saline as it was originally. If a desalination facility is located along a coastline, it is possible under certain circumstances to return this waste water to the ocean, but only if it does not exceed a safe level of salinity. If the facility is located inland, the challenges of proper waste product disposal increase, as one cannot simply release it into freshwater streams, ponds, lakes, etc. Similar to many solutions discovered by mankind, desalination produces a useless by-product in the process of creating a useful product. Will it come to be recognized as a viable solution? Time will tell.

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pH-a measure of the acidity or alkalinity of water.

Below 7 on scale 1 to 14, is acid and above 7 is alkaline. 7 being neutral & ideal.


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Nimbus Water offer water treatment solutions for in-fluent source water & effluent waste water, borehole water treatment, rain water harvesting, including municipal water back-up & Jo-Jo water storage systems & solutions. Nimbus Water offers a range of standard to specific designed point of use, or point of entry (whole home or building) inline water treatment systems.

Andre Pretorius

Director, Technical & Sales
Andre Pretorius

  •   15 Year Experience
  •   Designed for Application
  •   Proven Treatment Processes
  •   Latest Technology
  •   WHO Standards
  •   Turn Key Projects
  •   Cost Effective Systems

South Africa
CALL 083 379 6996
+27 (0)11 395 3133
Nimbus Water (Pty) Ltd
No 5 Newton Road
Hughes Industrial Park Area
Boksburg, 1709
South Africa
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